Merge pull request #180 from amiayweb/develop

Release version v2.1.0

.env.example

@@ -1,2 +0,0 @@
-CURSEFORGE_API_KEY=$1234asdxXXXXXXkQCXXXXXXXXXXASDb32
-DISCORD_CLIENT_ID=561263XXXXXX

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -3,6 +3,13 @@ description: Create a report to help us improve
 title: "[BUG] "
 labels: ["bug"]
 body:
+  - type: markdown
+    attributes:
+      value: |
+        Bug is a problem which impairs or prevents the functions of the launcher from working as intended.
+        Thanks for taking the time to fill out a bug report! 
+        Please provide as much information as you can to help us understand and reproduce the issue.
+        
   - type: textarea
     id: description
     attributes:
@@ -43,8 +50,8 @@ body:
     id: version
     attributes:
       label: Version
-      description: What version of the project are you running?
-      placeholder: "e.g. v1.2.3"
+      description: What version of the launcher are you running?
+      placeholder: "e.g. \"v2.0.11 stable/pre-release\""
     validations:
       required: true
 
@@ -54,29 +61,16 @@ body:
       label: Operating System
       description: What operating system are you using?
       options:
-        - Windows
-        - macOS
-        - Linux
-        - iOS
-        - Android
-        - Other
+        - Windows 10
+        - Windows 11
+        - macOS (Apple Silicon)
+        - macOS (Intel)
+        - Linux Ubuntu/Debian-based
+        - Linux Fedora/RHEL-based
+        - Linux Arch-based
     validations:
       required: true
 
-  - type: dropdown
-    id: browser
-    attributes:
-      label: Browser (if applicable)
-      description: What browser are you using?
-      options:
-        - Chrome
-        - Firefox
-        - Safari
-        - Edge
-        - Opera
-        - Other
-        - N/A
-
   - type: textarea
     id: additional
     attributes:

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -16,8 +16,10 @@ body:
     id: problem
     attributes:
       label: Is your feature request related to a problem? Please describe.
-      description: A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+      description: A clear and concise description of what the problem is.
       placeholder: "Ex. I'm always frustrated when [...]"
+    validations:
+      required: true
 
   - type: textarea
     id: solution
@@ -34,6 +36,14 @@ body:
       label: Describe alternatives you've considered
       description: A clear and concise description of any alternative solutions or features you've considered.
       placeholder: "Describe any alternative solutions or features you've considered."
+    validations:
+      required: true
+
+  - type: screenshots
+    id: screenshots
+    attributes:
+      label: Screenshots (Optional)
+      description: If applicable, add screenshots to help explain your request.
 
   - type: textarea
     id: additional

.github/ISSUE_TEMPLATE/new_translation_request.yml

@@ -0,0 +1,24 @@
+name: New Translation Request
+description: Request new language translation for text or content on the launcher
+title: "[TRANSLATION REQUEST] "
+labels: ["translation request"]
+body:
+  - type: input
+    id: language
+    attributes:
+      label: Request New Language
+      description: What language do you want our launcher to support?
+      placeholder: "e.g. German (de-DE), Russian (ru-RU), etc."
+    validations:
+      required: true
+
+  - type: dropdown
+    id: contriution_willingness
+    attributes:
+      label: Willingness to Contribute
+      description: Are you willing to help with the translation effort?
+      options:
+        - Yes, I can help translate from English to the requested language!
+        - No, I just want to request the language.
+    validations:
+      required: true

.github/ISSUE_TEMPLATE/support_request.yml

@@ -3,6 +3,13 @@ description: Request help or support
 title: "[SUPPORT] "
 labels: ["support"]
 body:
+  - type: markdown
+    attributes:
+      value: |
+        If you need help or support with using the launcher, please fill out this support request.
+        Provide as much detail as possible so we can assist you effectively.
+        **Need a quick assistance?** Please Open-A-Ticket in our [Discord Server](https://discord.gg/gME8rUy3MB)!
+
   - type: textarea
     id: question
     attributes:
@@ -17,14 +24,18 @@ body:
     attributes:
       label: Context
       description: Provide any relevant context or background information.
-      placeholder: "I've tried..., I expected..., but got..."
+      placeholder: "I've tried..., but got..."
+    validations:
+      required: true
 
   - type: input
     id: version
     attributes:
       label: Version
       description: What version are you using?
-      placeholder: "e.g. v1.2.3"
+      placeholder: "e.g. v2.0.11 stable/pre-release"
+    validations:
+      required: true
 
   - type: dropdown
     id: platform
@@ -32,13 +43,15 @@ body:
       label: Platform
       description: What platform are you using?
       options:
-        - Windows
-        - macOS
-        - Linux
-        - iOS
-        - Android
-        - Web Browser
-        - Other
+        - Windows 10
+        - Windows 11
+        - macOS (Apple Silicon)
+        - macOS (Intel)
+        - Linux Ubuntu/Debian-based
+        - Linux Fedora/RHEL-based
+        - Linux Arch-based
+    validations:
+      required: true
 
   - type: textarea
     id: logs
@@ -46,6 +59,8 @@ body:
       label: Logs or Error Messages
       description: If applicable, paste any error messages or logs here.
       render: shell
+    validations:
+      required: true
 
   - type: textarea
     id: additional

.github/ISSUE_TEMPLATE/translation_fix_request.yml

@@ -0,0 +1,41 @@
+name: Translation Fix Request
+description: Request a fix of translation for text or content in the launcher
+title: "[TRANSLATION FIX] "
+labels: ["translation fix"]
+body:
+  - type: input
+    id: language
+    attributes:
+      label: Target Language
+      description: What language do you want to translate to?
+      placeholder: "e.g. Spanish (es-ES), Portuguese (pt-BR), etc."
+    validations:
+      required: true
+
+  - type: textarea
+    id: source_text
+    attributes:
+      label: Source Text
+      description: The original text that needs to be translated.
+      placeholder: "Paste the text here..."
+    validations:
+      required: true
+
+  - type: textarea
+    id: context
+    attributes:
+      label: Context
+      description: Provide context about where this text appears or how it's used.
+      placeholder: "This text appears in..., It's used for..."
+
+  - type: textarea
+    id: screenshots
+    attributes:
+      label: Screenshots
+      description: If applicable, add screenshots to help explain your problem.
+
+  - type: textarea
+    id: notes
+    attributes:
+      label: Additional Notes
+      description: Any specific instructions or notes for the translator.

.github/workflows/release.yml

@@ -3,7 +3,7 @@ name: Build and Release
 on:
   push:
     branches:
-      - release
+      - main
     tags:
       - 'v*'
   workflow_dispatch:
@@ -13,7 +13,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      # FIX Install bsdtar for Pacman builds
       - name: Install build dependencies
         run: |
           sudo apt-get update
@@ -25,14 +24,6 @@ jobs:
           cache: 'npm'
       - run: npm ci
 
-      - name: Create .env file
-        env:
-          CF_KEY: ${{ secrets.CURSEFORGE_API_KEY }}
-          DISCORD_ID: ${{ secrets.DISCORD_CLIENT_ID }}
-        run: |
-          echo "CURSEFORGE_API_KEY=$CF_KEY" > .env
-          echo "DISCORD_CLIENT_ID=$DISCORD_ID" >> .env
-
       - name: Build Linux Packages
         run: |
           npx electron-builder --linux --x64 --arm64 --publish never
@@ -44,7 +35,7 @@ jobs:
             dist/*.AppImage.blockmap
             dist/*.deb
             dist/*.rpm
-            dist/*.pacman
+            dist/*.pkg.tar.zst
             dist/latest-linux.yml
 
   build-windows:
@@ -57,14 +48,6 @@ jobs:
           cache: 'npm'
       - run: npm ci
       
-      - name: Create .env file
-        env:
-          CF_KEY: ${{ secrets.CURSEFORGE_API_KEY }}
-          DISCORD_ID: ${{ secrets.DISCORD_CLIENT_ID }}
-        run: |
-          echo "CURSEFORGE_API_KEY=$CF_KEY" > .env
-          echo "DISCORD_CLIENT_ID=$DISCORD_ID" >> .env
-
       - name: Build Windows Packages
         run: npx electron-builder --win --publish never
       - uses: actions/upload-artifact@v4
@@ -85,15 +68,7 @@ jobs:
           cache: 'npm'
       - run: npm ci
 
-      - name: Create .env file
-        env:
-          CF_KEY: ${{ secrets.CURSEFORGE_API_KEY }}
-          DISCORD_ID: ${{ secrets.DISCORD_CLIENT_ID }}
-        run: |
-          echo "CURSEFORGE_API_KEY=$CF_KEY" > .env
-          echo "DISCORD_CLIENT_ID=$DISCORD_ID" >> .env
-
-      - name: Build Windows Packages
+      - name: Build macOS Packages
         run: npx electron-builder --mac --publish never
       - uses: actions/upload-artifact@v4
         with:
@@ -108,7 +83,7 @@ jobs:
     runs-on: ubuntu-latest
     if: |
       startsWith(github.ref, 'refs/tags/v') || 
-      github.ref == 'refs/heads/release' || 
+      github.ref == 'refs/heads/main' || 
       github.event_name == 'workflow_dispatch'
 
     permissions:
@@ -137,12 +112,12 @@ jobs:
           # If it's a tag, use the tag. 
           tag_name: ${{ github.ref_type == 'tag' && github.ref_name || format('v{0}.r{1}', steps.pkg_version.outputs.VERSION, github.run_number) }}
           # If it's the 'release' branch, use 'v2.0.2-beta.r42'
-          name: ${{ github.ref_type == 'tag' && github.ref_name || format('v{0}-beta.r{1}', steps.pkg_version.outputs.VERSION, github.run_number) }}
+          # name: ${{ github.ref_type == 'tag' && github.ref_name || format('v{0}-beta.r{1}', steps.pkg_version.outputs.VERSION, github.run_number) }}
           files: |
             artifacts/linux-builds/**/*
             artifacts/windows-builds/**/*
             artifacts/macos-builds/**/*
           generate_release_notes: true
           draft: true
-          # DYNAMIC FLAGS: Mark as pre-release ONLY IF it's NOT a tag (meaning it's a branch push)
-          prerelease: ${{ github.ref_type != 'tag' }}
+          prerelease: false
+          

.gitignore

@@ -1,14 +1,23 @@
-dist/*
-node_modules/*
-bun.lock
-
-# Build artifacts
-src/
-pkg/
-
-# Package files
-*.tar.zst
-*.zst.DS_Store
-*.zst
-bun.lockb
+# General / Node
+node_modules/
+dist/
 .env
+
+# Arch Linux / makepkg: Ignore folders created when running 'makepkg' locally
+/src/
+/pkg/
+
+# Built packages: {revents committing large binaries
+*.pkg.tar.zst
+*.pkg.tar.xz
+
+# Source downloads used by PKGBUILD
+*.src.tar.gz
+
+# Project Specific: Downloaded patcher (from hytale-auth-server)
+backend/patcher/
+
+# macOS Specific
+.DS_Store
+*.zst.DS_Store
+bun.lock

GUI/index.html

@@ -123,6 +123,29 @@
                                     value="Player" />
                             </div>
 
+                            <div class="form-group">
+                                <label class="form-label" data-i18n="install.gameBranch">Game Version</label>
+                                <div class="radio-group">
+                                    <label class="radio-label">
+                                        <input type="radio" name="installBranch" value="release" class="custom-radio"
+                                            checked>
+                                        <span class="radio-text">
+                                            <i class="fas fa-check-circle mr-2"></i>
+                                            <span data-i18n="install.releaseVersion">Release (Stable)</span>
+                                        </span>
+                                    </label>
+                                    <label class="radio-label">
+                                        <input type="radio" name="installBranch" value="pre-release"
+                                            class="custom-radio">
+                                        <span class="radio-text">
+                                            <i class="fas fa-flask mr-2"></i>
+                                            <span data-i18n="install.preReleaseVersion">Pre-Release
+                                                (Experimental)</span>
+                                        </span>
+                                    </label>
+                                </div>
+                            </div>
+
                             <div class="form-group">
                                 <label class="checkbox-group">
                                     <input type="checkbox" id="installCustomCheck" class="custom-checkbox">
@@ -337,210 +360,251 @@
                                                 </div>
                                             </button>
                                         </div>
+                                    </div>
 
-
+                                    <div class="settings-option">
                                         <div class="settings-input-group">
-                                            <label class="settings-input-label" data-i18n="settings.gpuPreference">GPU
-                                                Preference</label>
+                                            <label class="settings-input-label" data-i18n="settings.gameBranch">Game
+                                                Branch</label>
                                             <div class="segmented-control">
-                                                <input type="radio" id="gpu-auto" name="gpuPreference" value="auto"
-                                                    checked>
-                                                <label for="gpu-auto" data-i18n="settings.gpuAuto">Auto</label>
-                                                <input type="radio" id="gpu-integrated" name="gpuPreference"
-                                                    value="integrated">
-                                                <label for="gpu-integrated"
-                                                    data-i18n="settings.gpuIntegrated">Integrated</label>
-                                                <input type="radio" id="gpu-dedicated" name="gpuPreference"
-                                                    value="dedicated">
-                                                <label for="gpu-dedicated"
-                                                    data-i18n="settings.gpuDedicated">Dedicated</label>
+                                                <input type="radio" id="branch-release" name="gameBranch"
+                                                    value="release" checked>
+                                                <label for="branch-release"
+                                                    data-i18n="settings.branchRelease">Release</label>
+                                                <input type="radio" id="branch-pre-release" name="gameBranch"
+                                                    value="pre-release">
+                                                <label for="branch-pre-release"
+                                                    data-i18n="settings.branchPreRelease">Pre-Release</label>
                                             </div>
                                             <p class="settings-hint">
                                                 <i class="fas fa-info-circle"></i>
-                                                <span data-i18n="settings.gpuHint">Select your preferred GPU (Linux:
-                                                    affects DRI_PRIME)</span>
+                                                <span data-i18n="settings.branchHint">Switch between stable release and
+                                                    experimental pre-release versions</span>
+                                            </p>
+                                            <p class="settings-hint" style="color: #f39c12;">
+                                                <i class="fas fa-exclamation-triangle"></i>
+                                                <span data-i18n="settings.branchWarning">Changing branch will download
+                                                    and install a different game version</span>
                                             </p>
-                                            <div id="gpu-detection-info" class="gpu-detection-info"></div>
                                         </div>
                                     </div>
+
+                                    <div class="settings-option">
+                                        <label class="settings-input-label" data-i18n="settings.gpuPreference">GPU
+                                            Preference</label>
+                                        <div class="segmented-control">
+                                            <input type="radio" id="gpu-auto" name="gpuPreference" value="auto" checked>
+                                            <label for="gpu-auto" data-i18n="settings.gpuAuto">Auto</label>
+                                            <input type="radio" id="gpu-integrated" name="gpuPreference"
+                                                value="integrated">
+                                            <label for="gpu-integrated"
+                                                data-i18n="settings.gpuIntegrated">Integrated</label>
+                                            <input type="radio" id="gpu-dedicated" name="gpuPreference"
+                                                value="dedicated">
+                                            <label for="gpu-dedicated"
+                                                data-i18n="settings.gpuDedicated">Dedicated</label>
+                                        </div>
+                                        <p class="settings-hint">
+                                            <i class="fas fa-info-circle"></i>
+                                            <span data-i18n="settings.gpuHint">Select your preferred GPU (Linux:
+                                                affects DRI_PRIME)</span>
+                                        </p>
+                                        <div id="gpu-detection-info" class="gpu-detection-info"></div>
+                                    </div>
                                 </div>
+                            </div>
 
-                                <div class="settings-section">
-                                    <h3 class="settings-section-title">
-                                        <i class="fas fa-fingerprint"></i>
-                                        <span data-i18n="settings.account">Player UUID Management</span>
-                                    </h3>
+                            <div class="settings-section">
+                                <h3 class="settings-section-title">
+                                    <i class="fas fa-fingerprint"></i>
+                                    <span data-i18n="settings.account">Player UUID Management</span>
+                                </h3>
 
-                                    <div class="settings-option">
-                                        <div class="settings-input-group">
-                                            <label class="settings-input-label" data-i18n="settings.currentUUID">Current
-                                                UUID</label>
-                                            <div class="uuid-display-container">
-                                                <input type="text" id="currentUuid" class="settings-input uuid-input"
-                                                    readonly data-i18n-placeholder="settings.uuidPlaceholder" />
-                                                <button id="copyUuidBtn" class="uuid-btn copy-btn" title="Copy UUID">
-                                                    <i class="fas fa-copy"></i>
-                                                </button>
-                                                <button id="regenerateUuidBtn" class="uuid-btn regenerate-btn"
-                                                    title="Generate New UUID">
-                                                    <i class="fas fa-sync-alt"></i>
-                                                </button>
-                                            </div>
-                                            <p class="settings-hint">
-                                                <i class="fas fa-info-circle"></i>
-                                                <span data-i18n="settings.uuidHint">Your unique player identifier for
-                                                    this username</span>
-                                            </p>
-                                        </div>
-                                    </div>
-
-                                    <div class="settings-option">
-                                        <div class="settings-button-group">
-                                            <button id="manageUuidsBtn" class="settings-action-btn">
-                                                <i class="fas fa-list"></i>
-                                                <div class="btn-content">
-                                                    <div class="btn-title" data-i18n="settings.manageUUIDs">Manage All
-                                                        UUIDs</div>
-                                                    <div class="btn-description" data-i18n="settings.manageUUIDsDesc">
-                                                        View and manage all player UUIDs</div>
-                                                </div>
+                                <div class="settings-option">
+                                    <div class="settings-input-group">
+                                        <label class="settings-input-label" data-i18n="settings.currentUUID">Current
+                                            UUID</label>
+                                        <div class="uuid-display-container">
+                                            <input type="text" id="currentUuid" class="settings-input uuid-input"
+                                                readonly data-i18n-placeholder="settings.uuidPlaceholder" />
+                                            <button id="copyUuidBtn" class="uuid-btn copy-btn" title="Copy UUID">
+                                                <i class="fas fa-copy"></i>
+                                            </button>
+                                            <button id="regenerateUuidBtn" class="uuid-btn regenerate-btn"
+                                                title="Generate New UUID">
+                                                <i class="fas fa-sync-alt"></i>
                                             </button>
                                         </div>
+                                        <p class="settings-hint">
+                                            <i class="fas fa-info-circle"></i>
+                                            <span data-i18n="settings.uuidHint">Your unique player identifier for
+                                                this username</span>
+                                        </p>
                                     </div>
                                 </div>
 
-                                <div class="settings-section">
-                                    <h3 class="settings-section-title">
-                                        <i class="fab fa-discord"></i>
-                                        <span data-i18n="settings.discord">Discord Integration</span>
-                                    </h3>
-
-                                    <div class="settings-option">
-                                        <label class="settings-checkbox">
-                                            <input type="checkbox" id="discordRPCCheck" checked />
-                                            <span class="checkmark"></span>
-                                            <div class="checkbox-content">
-                                                <div class="checkbox-title" data-i18n="settings.enableRPC">Enable
-                                                    Discord Rich Presence</div>
-                                                <div class="checkbox-description"
-                                                    data-i18n="settings.discordDescription">Show your launcher activity
-                                                    on Discord
-                                                </div>
+                                <div class="settings-option">
+                                    <div class="settings-button-group">
+                                        <button id="manageUuidsBtn" class="settings-action-btn">
+                                            <i class="fas fa-list"></i>
+                                            <div class="btn-content">
+                                                <div class="btn-title" data-i18n="settings.manageUUIDs">Manage All
+                                                    UUIDs</div>
+                                                <div class="btn-description" data-i18n="settings.manageUUIDsDesc">
+                                                    View and manage all player UUIDs</div>
                                             </div>
-                                        </label>
-                                    </div>
-                                </div>
-
-                                <div class="settings-section">
-                                    <h3 class="settings-section-title">
-                                        <i class="fas fa-window-close"></i>
-                                        <span data-i18n="settings.closeLauncher">Launcher Behavior</span>
-                                    </h3>
-
-                                    <div class="settings-option">
-                                        <label class="settings-checkbox">
-                                            <input type="checkbox" id="closeLauncherCheck" />
-                                            <span class="checkmark"></span>
-                                            <div class="checkbox-content">
-                                                <div class="checkbox-title" data-i18n="settings.closeOnStart">Close Launcher on game start</div>
-                                                <div class="checkbox-description" data-i18n="settings.closeOnStartDescription">
-                                                  Automatically close the launcher after Hytale has launched
-                                                </div>
-                                            </div>
-                                        </label>
-                                    </div>
-                                </div>
-
-
-                                <div class="settings-section">
-                                    <h3 class="settings-section-title">
-                                        <i class="fas fa-coffee"></i>
-                                        <span data-i18n="settings.java">Java Runtime</span>
-                                    </h3>
-
-                                    <div class="settings-option">
-                                        <label class="settings-checkbox">
-                                            <input type="checkbox" id="customJavaCheck" />
-                                            <span class="checkmark"></span>
-                                            <div class="checkbox-content">
-                                                <div class="checkbox-title" data-i18n="settings.useCustomJava">Use
-                                                    Custom Java Path</div>
-                                                <div class="checkbox-description" data-i18n="settings.javaDescription">
-                                                    Override the bundled Java runtime with
-                                                    your own installation</div>
-                                            </div>
-                                        </label>
-                                    </div>
-
-                                    <div id="customJavaOptions" class="custom-java-options" style="display: none;">
-                                        <div class="settings-input-group">
-                                            <label class="settings-input-label" data-i18n="settings.javaPath">Java
-                                                Executable Path</label>
-                                            <div class="settings-input-with-button">
-                                                <input type="text" id="customJavaPath" class="settings-input"
-                                                    data-i18n-placeholder="settings.javaPathPlaceholder" readonly />
-                                                <button id="browseJavaBtn" class="settings-browse-btn">
-                                                    <i class="fas fa-folder-open"></i>
-                                                    <span data-i18n="settings.javaBrowse">Browse</span>
-                                                </button>
-                                            </div>
-                                            <p class="settings-hint">
-                                                <i class="fas fa-info-circle"></i>
-                                                <span data-i18n="settings.javaHint">Select the Java installation folder
-                                                    (supports Windows, Mac, Linux)</span>
-                                            </p>
-                                        </div>
-                                    </div>
-                                </div>
-
-                                <div class="settings-section">
-                                    <h3 class="settings-section-title">
-                                        <i class="fas fa-language"></i>
-                                        <span data-i18n="settings.language">Language</span>
-                                    </h3>
-
-                                    <div class="settings-option">
-                                        <div class="settings-input-group">
-                                            <label class="settings-input-label"
-                                                data-i18n="settings.selectLanguage">Select Language</label>
-                                            <select id="languageSelect" class="settings-input">
-                                                <!-- Options populated by i18n.js -->
-                                            </select>
-                                        </div>
+                                        </button>
                                     </div>
                                 </div>
                             </div>
-                        </div>
-                    </div>
 
-                    <div id="logs-page" class="page">
-                        <div class="logs-container">
-                            <div class="logs-header">
-                                <h2 class="logs-title">
-                                    <i class="fas fa-terminal"></i>
-                                    <span data-i18n="settings.logs">SYSTEM LOGS</span>
-                                </h2>
-                                <div class="logs-actions">
-                                    <button class="logs-action-btn" onclick="copyLogs()">
-                                        <i class="fas fa-copy"></i> <span data-i18n="settings.logsCopy">Copy</span>
-                                    </button>
-                                    <button class="logs-action-btn" onclick="refreshLogs()">
-                                        <i class="fas fa-sync-alt"></i> <span
-                                            data-i18n="settings.logsRefresh">Refresh</span>
-                                    </button>
-                                    <button class="logs-action-btn" onclick="openLogsFolder()">
-                                        <i class="fas fa-folder-open"></i> <span data-i18n="settings.logsFolder">Open
-                                            Folder</span>
-                                    </button>
+                            <div class="settings-section">
+                                <h3 class="settings-section-title">
+                                    <i class="fab fa-discord"></i>
+                                    <span data-i18n="settings.discord">Discord Integration</span>
+                                </h3>
+
+                                <div class="settings-option">
+                                    <label class="settings-checkbox">
+                                        <input type="checkbox" id="discordRPCCheck" checked />
+                                        <span class="checkmark"></span>
+                                        <div class="checkbox-content">
+                                            <div class="checkbox-title" data-i18n="settings.enableRPC">Enable
+                                                Discord Rich Presence</div>
+                                            <div class="checkbox-description" data-i18n="settings.discordDescription">
+                                                Show your launcher activity
+                                                on Discord
+                                            </div>
+                                        </div>
+                                    </label>
                                 </div>
                             </div>
-                            <div id="logsTerminal" class="logs-terminal">
-                                <div class="text-gray-500 text-center mt-10" data-i18n="settings.logsLoading">Loading
-                                    logs...</div>
+
+                            <div class="settings-section">
+                                <h3 class="settings-section-title">
+                                    <i class="fas fa-window-close"></i>
+                                    <span data-i18n="settings.closeLauncher">Launcher Behavior</span>
+                                </h3>
+
+                                <div class="settings-option">
+                                    <label class="settings-checkbox">
+                                        <input type="checkbox" id="closeLauncherCheck" />
+                                        <span class="checkmark"></span>
+                                        <div class="checkbox-content">
+                                            <div class="checkbox-title" data-i18n="settings.closeOnStart">Close Launcher
+                                                on game start</div>
+                                            <div class="checkbox-description"
+                                                data-i18n="settings.closeOnStartDescription">
+                                                Automatically close the launcher after Hytale has launched
+                                            </div>
+                                        </div>
+                                    </label>
+                                </div>
+                                <div class="settings-option">
+                                    <label class="settings-checkbox">
+                                        <input type="checkbox" id="launcherHwAccelCheck" />
+                                        <span class="checkmark"></span>
+                                        <div class="checkbox-content">
+                                            <div class="checkbox-title" data-i18n="settings.hwAccel">Launcher Hardware
+                                                Acceleration</div>
+                                            <div class="checkbox-description" data-i18n="settings.hwAccelDescription">
+                                                Enable hardware acceleration for the launcher UI (Requires restart)
+                                            </div>
+                                        </div>
+                                    </label>
+                                </div>
+                            </div>
+
+
+                            <div class="settings-section">
+                                <h3 class="settings-section-title">
+                                    <i class="fas fa-coffee"></i>
+                                    <span data-i18n="settings.java">Java Runtime</span>
+                                </h3>
+
+                                <div class="settings-option">
+                                    <label class="settings-checkbox">
+                                        <input type="checkbox" id="customJavaCheck" />
+                                        <span class="checkmark"></span>
+                                        <div class="checkbox-content">
+                                            <div class="checkbox-title" data-i18n="settings.useCustomJava">Use
+                                                Custom Java Path</div>
+                                            <div class="checkbox-description" data-i18n="settings.javaDescription">
+                                                Override the bundled Java runtime with
+                                                your own installation</div>
+                                        </div>
+                                    </label>
+                                </div>
+
+                                <div id="customJavaOptions" class="custom-java-options" style="display: none;">
+                                    <div class="settings-input-group">
+                                        <label class="settings-input-label" data-i18n="settings.javaPath">Java
+                                            Executable Path</label>
+                                        <div class="settings-input-with-button">
+                                            <input type="text" id="customJavaPath" class="settings-input"
+                                                data-i18n-placeholder="settings.javaPathPlaceholder" readonly />
+                                            <button id="browseJavaBtn" class="settings-browse-btn">
+                                                <i class="fas fa-folder-open"></i>
+                                                <span data-i18n="settings.javaBrowse">Browse</span>
+                                            </button>
+                                        </div>
+                                        <p class="settings-hint">
+                                            <i class="fas fa-info-circle"></i>
+                                            <span data-i18n="settings.javaHint">Select the Java installation folder
+                                                (supports Windows, Mac, Linux)</span>
+                                        </p>
+                                    </div>
+                                </div>
+                            </div>
+
+                            <div class="settings-section">
+                                <h3 class="settings-section-title">
+                                    <i class="fas fa-language"></i>
+                                    <span data-i18n="settings.language">Language</span>
+                                </h3>
+
+                                <div class="settings-option">
+                                    <div class="settings-input-group">
+                                        <label class="settings-input-label" data-i18n="settings.selectLanguage">Select
+                                            Language</label>
+                                        <select id="languageSelect" class="settings-input">
+                                            <!-- Options populated by i18n.js -->
+                                        </select>
+                                    </div>
+                                </div>
                             </div>
                         </div>
                     </div>
                 </div>
+
+                <div id="logs-page" class="page">
+                    <div class="logs-container">
+                        <div class="logs-header">
+                            <h2 class="logs-title">
+                                <i class="fas fa-terminal"></i>
+                                <span data-i18n="settings.logs">SYSTEM LOGS</span>
+                            </h2>
+                            <div class="logs-actions">
+                                <button class="logs-action-btn" onclick="copyLogs()">
+                                    <i class="fas fa-copy"></i> <span data-i18n="settings.logsCopy">Copy</span>
+                                </button>
+                                <button class="logs-action-btn" onclick="refreshLogs()">
+                                    <i class="fas fa-sync-alt"></i> <span
+                                        data-i18n="settings.logsRefresh">Refresh</span>
+                                </button>
+                                <button class="logs-action-btn" onclick="openLogsFolder()">
+                                    <i class="fas fa-folder-open"></i> <span data-i18n="settings.logsFolder">Open
+                                        Folder</span>
+                                </button>
+                            </div>
+                        </div>
+                        <div id="logsTerminal" class="logs-terminal">
+                            <div class="text-gray-500 text-center mt-10" data-i18n="settings.logsLoading">Loading
+                                logs...</div>
+                        </div>
+                    </div>
+                </div>
+            </div>
         </main>
     </div>
 
@@ -575,20 +639,23 @@
                 <span id="progressSpeed"></span>
                 <span id="progressSize"></span>
             </div>
-        </div>
-    </div>
-
-    <!-- Installation effects overlay -->
-    <div id="installationEffects" class="installation-effects" style="display: none;">
-        <div class="space-effects">
-            <div class="warp-line"></div>
-            <div class="warp-line"></div>
-            <div class="warp-line"></div>
-            <div class="warp-line"></div>
-            <div class="warp-line"></div>
-            <div class="warp-line"></div>
-            <div class="warp-line"></div>
-            <div class="warp-line"></div>
+            <div id="progressErrorContainer" class="progress-error-container" style="display: none;">
+                <div id="progressErrorMessage" class="progress-error-message"></div>
+                <div class="progress-retry-section">
+                    <span id="progressRetryInfo" class="progress-retry-info"></span>
+                    <div class="progress-retry-buttons">
+                        <button id="progressJRRetryBtn" class="progress-retry-btn" style="display: none;">
+                            Retry Java Download
+                        </button>
+                        <button id="progressPWRRetryBtn" class="progress-retry-btn" style="display: none;">
+                            Retry Game Download
+                        </button>
+                        <button id="progressRetryBtn" class="progress-retry-btn" style="display: none;">
+                            Retry Download
+                        </button>
+                    </div>
+                </div>
+            </div>
         </div>
     </div>
 
@@ -742,7 +809,11 @@
                 <a href="https://github.com/ericiskoolbeans" target="_blank"
                     class="text-blue-400 hover:text-blue-300 transition-colors">@ericiskoolbeans</a>,
                 <a href="https://github.com/fazrigading" target="_blank"
-                    class="text-blue-400 hover:text-blue-300 transition-colors">@fazrigading</a>
+                    class="text-blue-400 hover:text-blue-300 transition-colors">@fazrigading</a>,
+                <a href="https://github.com/Rahul-Sahani04" target="_blank"
+                    class="text-blue-400 hover:text-blue-300 transition-colors">@Rahul-Sahani04</a>,
+                <a href="https://github.com/xSamiVS" target="_blank"
+                    class="text-blue-400 hover:text-blue-300 transition-colors">@xSamiVS</a>
             </span>
         </div>
     </footer>
@@ -809,7 +880,9 @@
     </div>
 
     <script src="js/i18n.js"></script>
+    <script type="module" src="js/settings.js"></script>
     <script type="module" src="js/update.js"></script>
+    <script src="js/updater.js"></script>
 </body>
 
 

GUI/js/i18n.js

@@ -4,8 +4,9 @@ const i18n = (() => {
   let translations = {};
   const availableLanguages = [
     { code: 'en', name: 'English' },
-    { code: 'es', name: 'Español' },
-    { code: 'pt-BR', name: 'Português (Brasil)' }
+    { code: 'es-ES', name: 'Español (España)' },
+    { code: 'pt-BR', name: 'Portuguese (Brazil)' },
+    { code: 'tr-TR', name: 'Turkish (Turkey)' }
   ];
 
   // Load single language file

GUI/js/install.js

@@ -40,18 +40,6 @@ export function setupInstallation() {
     });
   }
 
-  // Setup installation effects listeners
-  if (window.electronAPI && window.electronAPI.onInstallationStart) {
-    window.electronAPI.onInstallationStart(() => {
-      showInstallationEffects();
-    });
-  }
-
-  if (window.electronAPI && window.electronAPI.onInstallationEnd) {
-    window.electronAPI.onInstallationEnd(() => {
-      hideInstallationEffects();
-    });
-  }
 }
 
 export async function installGame() {
@@ -60,8 +48,14 @@ export async function installGame() {
   const playerName = (installPlayerName ? installPlayerName.value.trim() : '') || 'Player';
   const installPath = installPathInput ? installPathInput.value.trim() : '';
   
+  const selectedBranchRadio = document.querySelector('input[name="installBranch"]:checked');
+  const selectedBranch = selectedBranchRadio ? selectedBranchRadio.value : 'release';
+  
+  console.log(`[Install] Installing game with branch: ${selectedBranch}`);
+  
   if (window.LauncherUI) window.LauncherUI.showProgress();
   isDownloading = true;
+  lockInstallForm();
   if (installBtn) {
     installBtn.disabled = true;
     installText.textContent = window.i18n ? window.i18n.t('install.installing') : 'INSTALLING...';
@@ -69,7 +63,7 @@ export async function installGame() {
   
   try {
     if (window.electronAPI && window.electronAPI.installGame) {
-      const result = await window.electronAPI.installGame(playerName, '', installPath);
+      const result = await window.electronAPI.installGame(playerName, '', installPath, selectedBranch);
       
       if (result.success) {
         const successMsg = window.i18n ? window.i18n.t('progress.installationComplete') : 'Installation completed successfully!';
@@ -92,12 +86,7 @@ export async function installGame() {
   } catch (error) {
     const errorMsg = window.i18n ? window.i18n.t('progress.installationFailed').replace('{error}', error.message) : `Installation failed: ${error.message}`;
     
-    // Hide installation effects on error
-    if (window.hideInstallationEffects) {
-      window.hideInstallationEffects();
-    }
-    
-    // Reset button state on error
+    // Reset button state and unlock form on error
     resetInstallButton();
     
     if (window.LauncherUI) {
@@ -152,6 +141,35 @@ function resetInstallButton() {
     installBtn.disabled = false;
     installText.textContent = 'INSTALL HYTALE';
   }
+  unlockInstallForm();
+}
+
+function lockInstallForm() {
+  const playerNameInput = document.getElementById('installPlayerName');
+  const installPathInput = document.getElementById('installPath');
+  const customCheckbox = document.getElementById('installCustomCheck');
+  const branchRadios = document.querySelectorAll('input[name="installBranch"]');
+  const browseBtn = document.querySelector('.browse-btn');
+  
+  if (playerNameInput) playerNameInput.disabled = true;
+  if (installPathInput) installPathInput.disabled = true;
+  if (customCheckbox) customCheckbox.disabled = true;
+  if (browseBtn) browseBtn.disabled = true;
+  branchRadios.forEach(radio => radio.disabled = true);
+}
+
+function unlockInstallForm() {
+  const playerNameInput = document.getElementById('installPlayerName');
+  const installPathInput = document.getElementById('installPath');
+  const customCheckbox = document.getElementById('installCustomCheck');
+  const branchRadios = document.querySelectorAll('input[name="installBranch"]');
+  const browseBtn = document.querySelector('.browse-btn');
+  
+  if (playerNameInput) playerNameInput.disabled = false;
+  if (installPathInput) installPathInput.disabled = false;
+  if (customCheckbox) customCheckbox.disabled = false;
+  if (browseBtn) browseBtn.disabled = false;
+  branchRadios.forEach(radio => radio.disabled = false);
 }
 
 export async function browseInstallPath() {

GUI/js/mods.js

@@ -1,5 +1,5 @@
 
-let API_KEY = null;
+let API_KEY = "$2a$10$bqk254NMZOWVTzLVJCcxEOmhcyUujKxA5xk.kQCN9q0KNYFJd5b32";
 const CURSEFORGE_API = 'https://api.curseforge.com/v1';
 const HYTALE_GAME_ID = 70216;
 
@@ -13,7 +13,6 @@ let modsTotalPages = 1;
 export async function initModsManager() {
   try {
     if (window.electronAPI && window.electronAPI.getEnvVar) {
-      API_KEY = await window.electronAPI.getEnvVar('CURSEFORGE_API_KEY');
       console.log('Loaded API Key:', API_KEY ? 'Yes' : 'No');
     }
   } catch (err) {
@@ -201,10 +200,15 @@ async function loadBrowseMods() {
       browseContainer.innerHTML = `
         <div class=\"empty-browse-mods\">
           <i class=\"fas fa-key\"></i>
-          <h4>API Key Required</h4>
-          <p>CurseForge API key is needed to browse mods</p>
+          <h4 data-i18n="mods.apiKeyRequired">API Key Required</h4>
+          <p data-i18n="mods.apiKeyRequiredDesc">CurseForge API key is needed to browse mods</p>
         </div>
       `;
+      if (window.i18n) {
+        const container = modsContainer.querySelector('.empty-browse-mods');
+        container.querySelector('h4').textContent = window.i18n.t('mods.apiKeyRequired');
+        container.querySelector('p').textContent = window.i18n.t('mods.apiKeyRequiredDesc');
+      }
       return;
     }
 

GUI/js/settings.js

@@ -3,11 +3,13 @@ let customJavaCheck;
 let customJavaOptions;
 let customJavaPath;
 let browseJavaBtn;
-let settingsPlayerName;
-let discordRPCCheck;
-let closeLauncherCheck;
-let gpuPreferenceRadios;
-
+let settingsPlayerName;
+let discordRPCCheck;
+let closeLauncherCheck;
+let launcherHwAccelCheck;
+let gpuPreferenceRadios;
+let gameBranchRadios;
+
 
 // UUID Management elements
 let currentUuidDisplay;
@@ -29,7 +31,7 @@ function showCustomConfirm(message, title, onConfirm, onCancel = null, confirmTe
   title = title || (window.i18n ? window.i18n.t('confirm.defaultTitle') : 'Confirm Action');
   confirmText = confirmText || (window.i18n ? window.i18n.t('common.confirm') : 'Confirm');
   cancelText = cancelText || (window.i18n ? window.i18n.t('common.cancel') : 'Cancel');
-  
+
   const existingModal = document.querySelector('.custom-confirm-modal');
   if (existingModal) {
     existingModal.remove();
@@ -151,9 +153,9 @@ function showCustomConfirm(message, title, onConfirm, onCancel = null, confirmTe
 }
 
 
-export function initSettings() {
+export async function initSettings() {
   setupSettingsElements();
-  loadAllSettings();
+  await loadAllSettings();
 }
 
 function setupSettingsElements() {
@@ -161,11 +163,15 @@ function setupSettingsElements() {
   customJavaOptions = document.getElementById('customJavaOptions');
   customJavaPath = document.getElementById('customJavaPath');
   browseJavaBtn = document.getElementById('browseJavaBtn');
-  settingsPlayerName = document.getElementById('settingsPlayerName');
-  discordRPCCheck = document.getElementById('discordRPCCheck');
-  closeLauncherCheck = document.getElementById('closeLauncherCheck');
-  gpuPreferenceRadios = document.querySelectorAll('input[name="gpuPreference"]');
-
+  settingsPlayerName = document.getElementById('settingsPlayerName');
+  discordRPCCheck = document.getElementById('discordRPCCheck');
+  closeLauncherCheck = document.getElementById('closeLauncherCheck');
+  launcherHwAccelCheck = document.getElementById('launcherHwAccelCheck');
+  gpuPreferenceRadios = document.querySelectorAll('input[name="gpuPreference"]');
+  gameBranchRadios = document.querySelectorAll('input[name="gameBranch"]');
+
+  console.log('[Settings] gameBranchRadios found:', gameBranchRadios.length);
+
 
   // UUID Management elements
   currentUuidDisplay = document.getElementById('currentUuid');
@@ -194,14 +200,18 @@ function setupSettingsElements() {
     settingsPlayerName.addEventListener('change', savePlayerName);
   }
 
-  if (discordRPCCheck) {
-    discordRPCCheck.addEventListener('change', saveDiscordRPC);
-  }
-
-  if (closeLauncherCheck) {
-    closeLauncherCheck.addEventListener('change', saveCloseLauncher);
-  }
-
+  if (discordRPCCheck) {
+    discordRPCCheck.addEventListener('change', saveDiscordRPC);
+  }
+
+  if (closeLauncherCheck) {
+    closeLauncherCheck.addEventListener('change', saveCloseLauncher);
+  }
+
+  if (launcherHwAccelCheck) {
+    launcherHwAccelCheck.addEventListener('change', saveLauncherHwAccel);
+  }
+
 
   // UUID event listeners
   if (copyUuidBtn) {
@@ -252,11 +262,17 @@ function setupSettingsElements() {
       });
     });
   }
+
+  if (gameBranchRadios) {
+    gameBranchRadios.forEach(radio => {
+      radio.addEventListener('change', handleBranchChange);
+    });
+  }
 }
 
 function toggleCustomJava() {
   if (!customJavaOptions) return;
-  
+
   if (customJavaCheck && customJavaCheck.checked) {
     customJavaOptions.style.display = 'block';
   } else {
@@ -319,12 +335,12 @@ async function saveDiscordRPC() {
     if (window.electronAPI && window.electronAPI.saveDiscordRPC && discordRPCCheck) {
       const enabled = discordRPCCheck.checked;
       console.log('Saving Discord RPC setting:', enabled);
-      
+
       const result = await window.electronAPI.saveDiscordRPC(enabled);
-      
+
       if (result && result.success) {
         console.log('Discord RPC setting saved successfully:', enabled);
-        
+
         // Feedback visuel pour l'utilisateur
         if (enabled) {
           const msg = window.i18n ? window.i18n.t('notifications.discordEnabled') : 'Discord Rich Presence enabled';
@@ -344,50 +360,79 @@ async function saveDiscordRPC() {
   }
 }
 
-async function loadDiscordRPC() {
-  try {
-    if (window.electronAPI && window.electronAPI.loadDiscordRPC) {
-      const enabled = await window.electronAPI.loadDiscordRPC();
-      if (discordRPCCheck) {
-        discordRPCCheck.checked = enabled;
-      }
-    }
-  } catch (error) {
-    console.error('Error loading Discord RPC setting:', error);
-  }
-}
-
-async function saveCloseLauncher() {
-  try {
-    if (window.electronAPI && window.electronAPI.saveCloseLauncher && closeLauncherCheck) {
-      const enabled = closeLauncherCheck.checked;
-      await window.electronAPI.saveCloseLauncher(enabled);
-    }
-  } catch (error) {
-    console.error('Error saving close launcher setting:', error);
-  }
-}
-
-async function loadCloseLauncher() {
-  try {
-    if (window.electronAPI && window.electronAPI.loadCloseLauncher) {
-      const enabled = await window.electronAPI.loadCloseLauncher();
-      if (closeLauncherCheck) {
-        closeLauncherCheck.checked = enabled;
-      }
-    }
-  } catch (error) {
-    console.error('Error loading close launcher setting:', error);
-  }
-}
-
+async function loadDiscordRPC() {
+  try {
+    if (window.electronAPI && window.electronAPI.loadDiscordRPC) {
+      const enabled = await window.electronAPI.loadDiscordRPC();
+      if (discordRPCCheck) {
+        discordRPCCheck.checked = enabled;
+      }
+    }
+  } catch (error) {
+    console.error('Error loading Discord RPC setting:', error);
+  }
+}
+
+async function saveCloseLauncher() {
+  try {
+    if (window.electronAPI && window.electronAPI.saveCloseLauncher && closeLauncherCheck) {
+      const enabled = closeLauncherCheck.checked;
+      await window.electronAPI.saveCloseLauncher(enabled);
+    }
+  } catch (error) {
+    console.error('Error saving close launcher setting:', error);
+  }
+}
+
+async function loadCloseLauncher() {
+  try {
+    if (window.electronAPI && window.electronAPI.loadCloseLauncher) {
+      const enabled = await window.electronAPI.loadCloseLauncher();
+      if (closeLauncherCheck) {
+        closeLauncherCheck.checked = enabled;
+      }
+    }
+  } catch (error) {
+    console.error('Error loading close launcher setting:', error);
+  }
+}
+
+async function saveLauncherHwAccel() {
+  try {
+    if (window.electronAPI && window.electronAPI.saveLauncherHardwareAcceleration && launcherHwAccelCheck) {
+      const enabled = launcherHwAccelCheck.checked;
+      await window.electronAPI.saveLauncherHardwareAcceleration(enabled);
+
+      const msg = window.i18n ? window.i18n.t('notifications.hwAccelSaved') : 'Setting saved. Please restart the launcher to apply changes.';
+      showNotification(msg, 'success');
+    }
+  } catch (error) {
+    console.error('Error saving hardware acceleration setting:', error);
+    const msg = window.i18n ? window.i18n.t('notifications.hwAccelSaveFailed') : 'Failed to save setting';
+    showNotification(msg, 'error');
+  }
+}
+
+async function loadLauncherHwAccel() {
+  try {
+    if (window.electronAPI && window.electronAPI.loadLauncherHardwareAcceleration) {
+      const enabled = await window.electronAPI.loadLauncherHardwareAcceleration();
+      if (launcherHwAccelCheck) {
+        launcherHwAccelCheck.checked = enabled;
+      }
+    }
+  } catch (error) {
+    console.error('Error loading hardware acceleration setting:', error);
+  }
+}
+
 
 async function savePlayerName() {
   try {
     if (!window.electronAPI || !settingsPlayerName) return;
-    
+
     const playerName = settingsPlayerName.value.trim();
-    
+
     if (!playerName) {
       const msg = window.i18n ? window.i18n.t('notifications.playerNameRequired') : 'Please enter a valid player name';
       showNotification(msg, 'error');
@@ -397,7 +442,7 @@ async function savePlayerName() {
     await window.electronAPI.saveUsername(playerName);
     const successMsg = window.i18n ? window.i18n.t('notifications.playerNameSaved') : 'Player name saved successfully';
     showNotification(successMsg, 'success');
-    
+
   } catch (error) {
     console.error('Error saving player name:', error);
     const errorMsg = window.i18n ? window.i18n.t('notifications.playerNameSaveFailed') : 'Failed to save player name';
@@ -408,7 +453,7 @@ async function savePlayerName() {
 async function loadPlayerName() {
   try {
     if (!window.electronAPI || !settingsPlayerName) return;
-    
+
     const savedName = await window.electronAPI.loadUsername();
     if (savedName) {
       settingsPlayerName.value = savedName;
@@ -491,15 +536,17 @@ async function loadGpuPreference() {
   }
 }
 
-async function loadAllSettings() {
-  await loadCustomJavaPath();
-  await loadPlayerName();
-  await loadCurrentUuid();
-  await loadDiscordRPC();
-  await loadCloseLauncher();
-  await loadGpuPreference();
-}
-
+async function loadAllSettings() {
+  await loadCustomJavaPath();
+  await loadPlayerName();
+  await loadCurrentUuid();
+  await loadDiscordRPC();
+  await loadCloseLauncher();
+  await loadLauncherHwAccel();
+  await loadGpuPreference();
+  await loadVersionBranch();
+}
+
 
 async function openGameLocation() {
   try {
@@ -532,7 +579,8 @@ document.addEventListener('DOMContentLoaded', initSettings);
 
 window.SettingsAPI = {
   getCurrentJavaPath,
-  getCurrentPlayerName
+  getCurrentPlayerName,
+  reloadBranch: loadVersionBranch
 };
 
 async function loadCurrentUuid() {
@@ -571,7 +619,7 @@ async function regenerateCurrentUuid() {
       const title = window.i18n ? window.i18n.t('confirm.regenerateUuidTitle') : 'Generate New UUID';
       const confirmBtn = window.i18n ? window.i18n.t('confirm.regenerateUuidButton') : 'Generate';
       const cancelBtn = window.i18n ? window.i18n.t('common.cancel') : 'Cancel';
-      
+
       showCustomConfirm(
         message,
         title,
@@ -602,7 +650,7 @@ async function performRegenerateUuid() {
       if (modalCurrentUuid) modalCurrentUuid.value = result.uuid;
       const msg = window.i18n ? window.i18n.t('notifications.uuidGenerated') : 'New UUID generated successfully!';
       showNotification(msg, 'success');
-      
+
       if (uuidModal && uuidModal.style.display !== 'none') {
         await loadAllUuids();
       }
@@ -640,7 +688,7 @@ function closeUuidModal() {
 async function loadAllUuids() {
   try {
     if (!uuidList) return;
-    
+
     uuidList.innerHTML = `
       <div class="uuid-loading">
         <i class="fas fa-spinner fa-spin"></i>
@@ -650,7 +698,7 @@ async function loadAllUuids() {
 
     if (window.electronAPI && window.electronAPI.getAllUuidMappings) {
       const mappings = await window.electronAPI.getAllUuidMappings();
-      
+
       if (mappings.length === 0) {
         uuidList.innerHTML = `
           <div class="uuid-loading">
@@ -662,11 +710,11 @@ async function loadAllUuids() {
       }
 
       uuidList.innerHTML = '';
-      
+
       for (const mapping of mappings) {
         const item = document.createElement('div');
         item.className = `uuid-list-item${mapping.isCurrent ? ' current' : ''}`;
-        
+
         item.innerHTML = `
           <div class="uuid-item-info">
             <div class="uuid-item-username">${escapeHtml(mapping.username)}</div>
@@ -682,7 +730,7 @@ async function loadAllUuids() {
             </button>` : ''}
           </div>
         `;
-        
+
         uuidList.appendChild(item);
       }
     }
@@ -725,7 +773,7 @@ async function setCustomUuid() {
     }
 
     const uuid = customUuidInput.value.trim();
-    
+
     const uuidRegex = /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i;
     if (!uuidRegex.test(uuid)) {
       const msg = window.i18n ? window.i18n.t('notifications.uuidInvalidFormat') : 'Invalid UUID format';
@@ -755,33 +803,33 @@ async function setCustomUuid() {
   }
 }
 
-  async function performSetCustomUuid(uuid) {
-    try {
-      if (window.electronAPI && window.electronAPI.setUuidForUser) {
-        const username = getCurrentPlayerName();
-        const result = await window.electronAPI.setUuidForUser(username, uuid);
-        
-        if (result.success) {
-          if (currentUuidDisplay) currentUuidDisplay.value = uuid;
-          if (modalCurrentUuid) modalCurrentUuid.value = uuid;
-          if (customUuidInput) customUuidInput.value = '';
-          
-          const msg = window.i18n ? window.i18n.t('notifications.uuidSetSuccess') : 'Custom UUID set successfully!';
-          showNotification(msg, 'success');
-          
-          await loadAllUuids();
-        } else {
-          throw new Error(result.error || 'Failed to set custom UUID');
-        }
-      }
-    } catch (error) {
-      console.error('Error setting custom UUID:', error);
-      const msg = window.i18n ? window.i18n.t('notifications.uuidSetFailed').replace('{error}', error.message) : `Failed to set custom UUID: ${error.message}`;
-      showNotification(msg, 'error');
-    }
-  }
+async function performSetCustomUuid(uuid) {
+  try {
+    if (window.electronAPI && window.electronAPI.setUuidForUser) {
+      const username = getCurrentPlayerName();
+      const result = await window.electronAPI.setUuidForUser(username, uuid);
 
-window.copyUuid = async function(uuid) {
+      if (result.success) {
+        if (currentUuidDisplay) currentUuidDisplay.value = uuid;
+        if (modalCurrentUuid) modalCurrentUuid.value = uuid;
+        if (customUuidInput) customUuidInput.value = '';
+
+        const msg = window.i18n ? window.i18n.t('notifications.uuidSetSuccess') : 'Custom UUID set successfully!';
+        showNotification(msg, 'success');
+
+        await loadAllUuids();
+      } else {
+        throw new Error(result.error || 'Failed to set custom UUID');
+      }
+    }
+  } catch (error) {
+    console.error('Error setting custom UUID:', error);
+    const msg = window.i18n ? window.i18n.t('notifications.uuidSetFailed').replace('{error}', error.message) : `Failed to set custom UUID: ${error.message}`;
+    showNotification(msg, 'error');
+  }
+}
+
+window.copyUuid = async function (uuid) {
   try {
     if (navigator.clipboard) {
       await navigator.clipboard.writeText(uuid);
@@ -795,13 +843,13 @@ window.copyUuid = async function(uuid) {
   }
 };
 
-window.deleteUuid = async function(username) {
+window.deleteUuid = async function (username) {
   try {
     const message = window.i18n ? window.i18n.t('confirm.deleteUuidMessage').replace('{username}', username) : `Are you sure you want to delete the UUID for "${username}"? This action cannot be undone.`;
     const title = window.i18n ? window.i18n.t('confirm.deleteUuidTitle') : 'Delete UUID';
     const confirmBtn = window.i18n ? window.i18n.t('confirm.deleteUuidButton') : 'Delete';
     const cancelBtn = window.i18n ? window.i18n.t('common.cancel') : 'Cancel';
-    
+
     showCustomConfirm(
       message,
       title,
@@ -822,21 +870,21 @@ window.deleteUuid = async function(username) {
 async function performDeleteUuid(username) {
   try {
     if (window.electronAPI && window.electronAPI.deleteUuidForUser) {
-        const result = await window.electronAPI.deleteUuidForUser(username);
-        
-        if (result.success) {
-          const msg = window.i18n ? window.i18n.t('notifications.uuidDeleteSuccess') : 'UUID deleted successfully!';
-          showNotification(msg, 'success');
-          await loadAllUuids();
-        } else {
-          throw new Error(result.error || 'Failed to delete UUID');
-        }
+      const result = await window.electronAPI.deleteUuidForUser(username);
+
+      if (result.success) {
+        const msg = window.i18n ? window.i18n.t('notifications.uuidDeleteSuccess') : 'UUID deleted successfully!';
+        showNotification(msg, 'success');
+        await loadAllUuids();
+      } else {
+        throw new Error(result.error || 'Failed to delete UUID');
       }
-    } catch (error) {
-      console.error('Error deleting UUID:', error);
-      const msg = window.i18n ? window.i18n.t('notifications.uuidDeleteFailed').replace('{error}', error.message) : `Failed to delete UUID: ${error.message}`;
-      showNotification(msg, 'error');
     }
+  } catch (error) {
+    console.error('Error deleting UUID:', error);
+    const msg = window.i18n ? window.i18n.t('notifications.uuidDeleteFailed').replace('{error}', error.message) : `Failed to delete UUID: ${error.message}`;
+    showNotification(msg, 'error');
+  }
 }
 
 function escapeHtml(text) {
@@ -891,4 +939,198 @@ function showNotification(message, type = 'info') {
       }
     }, 300);
   }, 3000);
-}
+}// Append this to settings.js for branch management
+
+// === Game Branch Management ===
+async function handleBranchChange(event) {
+  const newBranch = event.target.value;
+  const currentBranch = await loadVersionBranch();
+
+  if (newBranch === currentBranch) {
+    return; // No change
+  }
+
+  // Confirm branch change
+  const branchName = window.i18n ?
+    window.i18n.t(`settings.branch${newBranch === 'pre-release' ? 'PreRelease' : 'Release'}`) :
+    newBranch;
+
+  const message = window.i18n ?
+    window.i18n.t('settings.branchWarning') :
+    'Changing branch will download and install a different game version';
+
+  showCustomConfirm(
+    message,
+    window.i18n ? window.i18n.t('settings.gameBranch') : 'Game Branch',
+    async () => {
+      await switchBranch(newBranch);
+    },
+    () => {
+      // Cancel: revert radio selection
+      loadVersionBranch().then(branch => {
+        const radioToCheck = document.querySelector(`input[name="gameBranch"][value="${branch}"]`);
+        if (radioToCheck) {
+          radioToCheck.checked = true;
+        }
+      });
+    }
+  );
+}
+
+async function switchBranch(newBranch) {
+  try {
+    const switchingMsg = window.i18n ?
+      window.i18n.t('settings.branchSwitching').replace('{branch}', newBranch) :
+      `Switching to ${newBranch}...`;
+
+    showNotification(switchingMsg, 'info');
+
+    // Lock play button
+    const playButton = document.getElementById('playButton');
+    if (playButton) {
+      playButton.disabled = true;
+      playButton.classList.add('disabled');
+    }
+
+    // DON'T save branch yet - wait for installation confirmation
+
+    // Suggest reinstalling
+    setTimeout(() => {
+      const branchLabel = newBranch === 'release' ?
+        (window.i18n ? window.i18n.t('install.releaseVersion') : 'Release') :
+        (window.i18n ? window.i18n.t('install.preReleaseVersion') : 'Pre-Release');
+
+      const confirmMsg = window.i18n ?
+        window.i18n.t('settings.branchInstallConfirm').replace('{branch}', branchLabel) :
+        `The game will be installed for the ${branchLabel} branch. Continue?`;
+
+      showCustomConfirm(
+        confirmMsg,
+        window.i18n ? window.i18n.t('settings.installRequired') : 'Installation Required',
+        async () => {
+          // Show progress and trigger game installation
+          if (window.LauncherUI) {
+            window.LauncherUI.showProgress();
+          }
+
+          try {
+            const playerName = await window.electronAPI.loadUsername();
+            const result = await window.electronAPI.installGame(playerName || 'Player', '', '', newBranch);
+
+            if (result.success) {
+              // Save branch ONLY after successful installation
+              await window.electronAPI.saveVersionBranch(newBranch);
+
+              const switchedMsg = window.i18n ?
+                window.i18n.t('settings.branchSwitched').replace('{branch}', newBranch) :
+                `Switched to ${newBranch} successfully!`;
+
+              const successMsg = window.i18n ?
+                window.i18n.t('progress.installationComplete') :
+                'Installation completed successfully!';
+
+              showNotification(switchedMsg, 'success');
+              showNotification(successMsg, 'success');
+
+              // Refresh radio buttons to reflect the new branch
+              await loadVersionBranch();
+              console.log('[Settings] Radio buttons updated after branch switch');
+
+              setTimeout(() => {
+                if (window.LauncherUI) {
+                  window.LauncherUI.hideProgress();
+                }
+
+                // Unlock play button
+                const playButton = document.getElementById('playButton');
+                if (playButton) {
+                  playButton.disabled = false;
+                  playButton.classList.remove('disabled');
+                }
+              }, 2000);
+            } else {
+              throw new Error(result.error || 'Installation failed');
+            }
+          } catch (error) {
+            console.error('Installation error:', error);
+            const errorMsg = window.i18n ?
+              window.i18n.t('progress.installationFailed').replace('{error}', error.message) :
+              `Installation failed: ${error.message}`;
+
+            showNotification(errorMsg, 'error');
+
+            if (window.LauncherUI) {
+              window.LauncherUI.hideProgress();
+            }
+
+            // Revert radio selection to old branch
+            loadVersionBranch().then(oldBranch => {
+              const radioToCheck = document.querySelector(`input[name="gameBranch"][value="${oldBranch}"]`);
+              if (radioToCheck) {
+                radioToCheck.checked = true;
+              }
+            });
+
+            // Unlock play button
+            const playButton = document.getElementById('playButton');
+            if (playButton) {
+              playButton.disabled = false;
+              playButton.classList.remove('disabled');
+            }
+          }
+        },
+        () => {
+          // Cancel - unlock play button
+          const playButton = document.getElementById('playButton');
+          if (playButton) {
+            playButton.disabled = false;
+            playButton.classList.remove('disabled');
+          }
+        },
+        window.i18n ? window.i18n.t('common.install') : 'Install',
+        window.i18n ? window.i18n.t('common.cancel') : 'Cancel'
+      );
+    }, 500);
+
+  } catch (error) {
+    console.error('Error switching branch:', error);
+    showNotification(`Failed to switch branch: ${error.message}`, 'error');
+
+    // Revert radio selection
+    loadVersionBranch().then(branch => {
+      const radioToCheck = document.querySelector(`input[name="gameBranch"][value="${branch}"]`);
+      if (radioToCheck) {
+        radioToCheck.checked = true;
+      }
+    });
+  }
+}
+
+async function loadVersionBranch() {
+  try {
+    if (window.electronAPI && window.electronAPI.loadVersionBranch) {
+      const branch = await window.electronAPI.loadVersionBranch();
+      console.log('[Settings] Loaded version_branch from config:', branch);
+
+      // Use default if branch is null/undefined
+      const selectedBranch = branch || 'release';
+      console.log('[Settings] Selected branch:', selectedBranch);
+
+      // Update radio buttons
+      if (gameBranchRadios && gameBranchRadios.length > 0) {
+        gameBranchRadios.forEach(radio => {
+          radio.checked = radio.value === selectedBranch;
+          console.log(`[Settings] Radio ${radio.value}: ${radio.checked ? 'checked' : 'unchecked'}`);
+        });
+      } else {
+        console.warn('[Settings] gameBranchRadios not found or empty');
+      }
+
+      return selectedBranch;
+    }
+    return 'release'; // Default
+  } catch (error) {
+    console.error('Error loading version branch:', error);
+    return 'release';
+  }
+}

GUI/js/ui.js

@@ -6,6 +6,24 @@ let progressText;
 let progressPercent;
 let progressSpeed;
 let progressSize;
+let progressErrorContainer;
+let progressErrorMessage;
+let progressRetryInfo;
+let progressRetryBtn;
+let progressJRRetryBtn;
+let progressPWRRetryBtn;
+
+// Download retry state
+let currentDownloadState = {
+    isDownloading: false,
+    canRetry: false,
+    retryData: null,
+    lastError: null,
+    errorType: null,
+    branch: null,
+    fileName: null,
+    cacheDir: null
+};
 
 function showPage(pageId) {
   const pages = document.querySelectorAll('.page');
@@ -13,6 +31,15 @@ function showPage(pageId) {
     if (page.id === pageId) {
       page.classList.add('active');
       page.style.display = '';
+      
+      // Reload settings when settings page becomes visible
+      if (pageId === 'settings-page') {
+        console.log('[UI] Settings page activated, reloading branch...');
+        // Dynamically import and call loadVersionBranch from settings
+        if (window.SettingsAPI && window.SettingsAPI.reloadBranch) {
+          window.SettingsAPI.reloadBranch();
+        }
+      }
     } else {
       page.classList.remove('active');
       page.style.display = 'none';
@@ -144,6 +171,12 @@ function hideProgress() {
 }
 
 function updateProgress(data) {
+  // Handle retry state
+  if (data.retryState) {
+    currentDownloadState.retryData = data.retryState;
+    updateRetryState(data.retryState);
+  }
+
   if (data.message && progressText) {
     progressText.textContent = data.message;
   }
@@ -162,6 +195,120 @@ function updateProgress(data) {
     if (progressSpeed) progressSpeed.textContent = `${speedMB} MB/s`;
     if (progressSize) progressSize.textContent = `${downloadedMB} / ${totalMB} MB`;
   }
+
+  // Handle error states with enhanced categorization
+  // Don't show error during automatic retries - let the retry message display instead
+  if ((data.error || (data.message && data.message.includes('failed'))) && 
+      !(data.retryState && data.retryState.isAutomaticRetry)) {
+    const errorType = categorizeError(data.message);
+    console.log('[UI] Showing download error:', { message: data.message, canRetry: data.canRetry, errorType });
+    showDownloadError(data.message, data.canRetry, errorType, data);
+  } else if (data.percent === 100) {
+    hideDownloadError();
+  } else if (data.retryState && data.retryState.isAutomaticRetry) {
+    // Hide any existing error during automatic retries
+    hideDownloadError();
+  }
+}
+
+function updateRetryState(retryState) {
+  if (!progressRetryInfo) return;
+
+  if (retryState.isAutomaticRetry && retryState.automaticStallRetries > 0) {
+    // Show automatic stall retry count
+    progressRetryInfo.textContent = `Auto-retry ${retryState.automaticStallRetries}/3`;
+    progressRetryInfo.style.display = 'block';
+    progressRetryInfo.style.background = 'rgba(255, 193, 7, 0.2)'; // Light orange background for auto-retries
+    progressRetryInfo.style.color = '#ff9800'; // Orange text for auto-retries
+  } else if (retryState.attempts > 1) {
+    // Show manual retry count
+    progressRetryInfo.textContent = `Attempt ${retryState.attempts}/${retryState.maxRetries}`;
+    progressRetryInfo.style.display = 'block';
+    progressRetryInfo.style.background = ''; // Reset background
+    progressRetryInfo.style.color = ''; // Reset color
+  } else {
+    progressRetryInfo.style.display = 'none';
+    progressRetryInfo.style.background = ''; // Reset background
+    progressRetryInfo.style.color = ''; // Reset color
+  }
+}
+
+function showDownloadError(errorMessage, canRetry = true, errorType = 'general', data = null) {
+  if (!progressErrorContainer || !progressErrorMessage) return;
+
+  console.log('[UI] showDownloadError called with:', { errorMessage, canRetry, errorType, data });
+  console.log('[UI] Data properties:', {
+    hasData: !!data,
+    hasRetryData: !!(data && data.retryData),
+    dataErrorType: data && data.errorType,
+    dataIsJREError: data && data.retryData && data.retryData.isJREError
+  });
+  
+  currentDownloadState.lastError = errorMessage;
+  currentDownloadState.canRetry = canRetry;
+  currentDownloadState.errorType = errorType;
+  
+  // Update retry context if available
+  if (data && data.retryData) {
+    currentDownloadState.branch = data.retryData.branch;
+    currentDownloadState.fileName = data.retryData.fileName;
+    currentDownloadState.cacheDir = data.retryData.cacheDir;
+    // Override errorType if specified in data
+    if (data.errorType) {
+      currentDownloadState.errorType = data.errorType;
+    }
+  }
+
+  // Hide all retry buttons first
+  if (progressRetryBtn) progressRetryBtn.style.display = 'none';
+  if (progressJRRetryBtn) progressJRRetryBtn.style.display = 'none';
+  if (progressPWRRetryBtn) progressPWRRetryBtn.style.display = 'none';
+
+  // User-friendly error messages
+  const userMessage = getErrorMessage(errorMessage, errorType);
+  progressErrorMessage.textContent = userMessage;
+  progressErrorContainer.style.display = 'block';
+
+  // Show appropriate retry button based on error type
+  if (canRetry) {
+    if (errorType === 'jre') {
+      if (progressJRRetryBtn) {
+        console.log('[UI] Showing JRE retry button');
+        progressJRRetryBtn.style.display = 'block';
+      }
+    } else {
+      // All other errors use PWR retry button (game download, butler, etc.)
+      if (progressPWRRetryBtn) {
+        console.log('[UI] Showing PWR retry button');
+        progressPWRRetryBtn.style.display = 'block';
+      }
+    }
+  }
+
+  // Add visual indicators based on error type
+  progressErrorContainer.className = `progress-error-container error-${errorType}`;
+
+  if (progressOverlay) {
+    progressOverlay.classList.add('error-state');
+  }
+}
+
+function hideDownloadError() {
+  if (!progressErrorContainer) return;
+
+  // Hide all retry buttons
+  if (progressRetryBtn) progressRetryBtn.style.display = 'none';
+  if (progressJRRetryBtn) progressJRRetryBtn.style.display = 'none';
+  if (progressPWRRetryBtn) progressPWRRetryBtn.style.display = 'none';
+
+  progressErrorContainer.style.display = 'none';
+  currentDownloadState.canRetry = false;
+  currentDownloadState.lastError = null;
+  currentDownloadState.errorType = null;
+
+  if (progressOverlay) {
+    progressOverlay.classList.remove('error-state');
+  }
 }
 
 function setupAnimations() {
@@ -478,10 +625,19 @@ function setupUI() {
   progressPercent = document.getElementById('progressPercent');
   progressSpeed = document.getElementById('progressSpeed');
   progressSize = document.getElementById('progressSize');
+  progressErrorContainer = document.getElementById('progressErrorContainer');
+  progressErrorMessage = document.getElementById('progressErrorMessage');
+  progressRetryInfo = document.getElementById('progressRetryInfo');
+  progressRetryBtn = document.getElementById('progressRetryBtn');
+  progressJRRetryBtn = document.getElementById('progressJRRetryBtn');
+  progressPWRRetryBtn = document.getElementById('progressPWRRetryBtn');
 
   // Setup draggable progress bar
   setupProgressDrag();
 
+  // Setup retry button
+  setupRetryButton();
+
   lockPlayButton(true);
 
   setTimeout(() => {
@@ -501,6 +657,10 @@ function setupUI() {
   setupAnimations();
   setupFirstLaunchHandlers();
   loadLauncherVersion();
+  checkGameInstallation().catch(err => {
+    console.error('Critical error in checkGameInstallation:', err);
+    lockPlayButton(false);
+  });
 
   document.body.focus();
 }
@@ -520,6 +680,53 @@ async function loadLauncherVersion() {
   }
 }
 
+// Check game installation status on startup
+async function checkGameInstallation() {
+  try {
+    console.log('Checking game installation status...');
+    
+    // Verify electronAPI is available
+    if (!window.electronAPI || !window.electronAPI.isGameInstalled) {
+      console.error('electronAPI not available, unlocking play button as fallback');
+      lockPlayButton(false);
+      return;
+    }
+    
+    // Check if game is installed
+    const isInstalled = await window.electronAPI.isGameInstalled();
+    
+    // Load version_client from config
+    let versionClient = null;
+    if (window.electronAPI.loadVersionClient) {
+      versionClient = await window.electronAPI.loadVersionClient();
+    }
+    
+    console.log(`Game installed: ${isInstalled}, version_client: ${versionClient}`);
+    
+    lockPlayButton(false);
+    
+    // If version_client is null and game is not installed, show install page
+    if (versionClient === null && !isInstalled) {
+      console.log('Game not installed and version_client is null, showing install page...');
+      
+      // Show installation page
+      const installPage = document.getElementById('install-page');
+      const launcher = document.getElementById('launcher-container');
+      const sidebar = document.querySelector('.sidebar');
+      
+      if (installPage) {
+        installPage.style.display = 'block';
+        if (launcher) launcher.style.display = 'none';
+        if (sidebar) sidebar.style.pointerEvents = 'none';
+      }
+    }
+  } catch (error) {
+    console.error('Error checking game installation:', error);
+    // Unlock on error to prevent permanent lock
+    lockPlayButton(false);
+  }
+}
+
 window.LauncherUI = {
   showPage,
   setActiveNav,
@@ -530,8 +737,7 @@ window.LauncherUI = {
 };
 
 // Make installation effects globally available
-window.showInstallationEffects = showInstallationEffects;
-window.hideInstallationEffects = hideInstallationEffects;
+
 
 // Draggable progress bar functionality
 function setupProgressDrag() {
@@ -591,21 +797,6 @@ function setupProgressDrag() {
   }
 }
 
-// Show/hide installation effects
-function showInstallationEffects() {
-  const installationEffects = document.getElementById('installationEffects');
-  if (installationEffects) {
-    installationEffects.style.display = 'block';
-  }
-}
-
-function hideInstallationEffects() {
-  const installationEffects = document.getElementById('installationEffects');
-  if (installationEffects) {
-    installationEffects.style.display = 'none';
-  }
-}
-
 // Toggle maximize/restore window function
 function toggleMaximize() {
   if (window.electronAPI && window.electronAPI.maximizeWindow) {
@@ -613,6 +804,302 @@ function toggleMaximize() {
   }
 }
 
+// Error categorization and user-friendly messages
+function categorizeError(message) {
+  const msg = message.toLowerCase();
+  
+  if (msg.includes('network') || msg.includes('connection') || msg.includes('offline')) {
+    return 'network';
+  } else if (msg.includes('stalled') || msg.includes('timeout')) {
+    return 'stall';
+  } else if (msg.includes('file') || msg.includes('disk')) {
+    return 'file';
+  } else if (msg.includes('permission') || msg.includes('access')) {
+    return 'permission';
+  } else if (msg.includes('server') || msg.includes('5')) {
+    return 'server';
+  } else if (msg.includes('corrupted') || msg.includes('pwr file') || msg.includes('unexpected eof')) {
+    return 'corruption';
+  } else if (msg.includes('butler') || msg.includes('patch installation')) {
+    return 'butler';
+  } else if (msg.includes('space') || msg.includes('full') || msg.includes('device full')) {
+    return 'space';
+  } else if (msg.includes('conflict') || msg.includes('already exists')) {
+    return 'conflict';
+  } else if (msg.includes('jre') || msg.includes('java runtime')) {
+    return 'jre';
+  } else {
+    return 'general';
+  }
+}
+
+function getErrorMessage(technicalMessage, errorType) {
+  // Technical errors go to console, user gets friendly messages
+  console.error(`Download error [${errorType}]:`, technicalMessage);
+  
+  switch (errorType) {
+    case 'network':
+      return 'Network connection lost. Please check your internet connection and retry.';
+    case 'stall':
+      return 'Download stalled due to slow connection. Please retry.';
+    case 'file':
+      return 'Unable to save file. Check disk space and permissions. Please retry.';
+    case 'permission':
+      return 'Permission denied. Check if launcher has write access. Please retry.';
+    case 'server':
+      return 'Server error. Please wait a moment and retry.';
+    case 'corruption':
+      return 'Corrupted PWR file detected. File deleted and will retry.';
+    case 'butler':
+      return 'Patch installation failed. Please retry.';
+    case 'space':
+      return 'Insufficient disk space. Free up space and retry.';
+    case 'conflict':
+      return 'Installation directory conflict. Please retry.';
+    case 'jre':
+      return 'Java runtime download failed. Please retry.';
+    default:
+      return 'Download failed. Please retry.';
+  }
+}
+
+// Connection quality indicator (simplified)
+function updateConnectionQuality(quality) {
+  if (!progressSize) return;
+  
+  const qualityColors = {
+    'Good': '#10b981',
+    'Fair': '#fbbf24', 
+    'Poor': '#f87171'
+  };
+  
+  const color = qualityColors[quality] || '#6b7280';
+  progressSize.style.color = color;
+  
+  // Add subtle quality indicator
+  if (progressSize.dataset.quality !== quality) {
+    progressSize.dataset.quality = quality;
+    progressSize.style.transition = 'color 0.5s ease';
+  }
+}
+
+// Enhanced retry button setup
+function setupRetryButton() {
+  // Setup JRE retry button
+  if (progressJRRetryBtn) {
+    progressJRRetryBtn.addEventListener('click', async () => {
+      if (!currentDownloadState.canRetry || currentDownloadState.isDownloading) {
+        return;
+      }
+      progressJRRetryBtn.disabled = true;
+      progressJRRetryBtn.textContent = 'Retrying...';
+      progressJRRetryBtn.classList.add('retrying');
+      currentDownloadState.isDownloading = true;
+
+      try {
+        hideDownloadError();
+        
+        if (progressRetryInfo) {
+          progressRetryInfo.style.background = '';
+          progressRetryInfo.style.color = '';
+        }
+        
+        if (progressText) {
+          progressText.textContent = 'Re-downloading Java runtime...';
+        }
+
+        if (!currentDownloadState.retryData || currentDownloadState.errorType !== 'jre') {
+          currentDownloadState.retryData = {
+            isJREError: true,
+            jreUrl: '',
+            fileName: 'jre.tar.gz',
+            cacheDir: '',
+            osName: 'linux',
+            arch: 'amd64'
+          };
+          console.log('[UI] Created default JRE retry data:', currentDownloadState.retryData);
+        }
+
+        if (window.electronAPI && window.electronAPI.retryDownload) {
+          const result = await window.electronAPI.retryDownload(currentDownloadState.retryData);
+          if (!result.success) {
+            throw new Error(result.error || 'JRE retry failed');
+          }
+        } else {
+          console.warn('electronAPI.retryDownload not available, simulating JRE retry...');
+          await new Promise(resolve => setTimeout(resolve, 2000));
+          throw new Error('JRE retry API not available');
+        }
+
+      } catch (error) {
+        console.error('JRE retry failed:', error);
+        showDownloadError(`JRE retry failed: ${error.message}`, true, 'jre');
+      } finally {
+        if (progressJRRetryBtn) {
+          progressJRRetryBtn.disabled = false;
+          progressJRRetryBtn.textContent = 'Retry Java Download';
+          progressJRRetryBtn.classList.remove('retrying');
+        }
+        currentDownloadState.isDownloading = false;
+      }
+    });
+  }
+
+  // Setup PWR retry button
+  if (progressPWRRetryBtn) {
+    progressPWRRetryBtn.addEventListener('click', async () => {
+      if (!currentDownloadState.canRetry || currentDownloadState.isDownloading) {
+        return;
+      }
+      progressPWRRetryBtn.disabled = true;
+      progressPWRRetryBtn.textContent = 'Retrying...';
+      progressPWRRetryBtn.classList.add('retrying');
+      currentDownloadState.isDownloading = true;
+
+      try {
+        hideDownloadError();
+        
+        if (progressRetryInfo) {
+          progressRetryInfo.style.background = '';
+          progressRetryInfo.style.color = '';
+        }
+        
+        if (progressText) {
+          const contextMessage = getRetryContextMessage();
+          progressText.textContent = contextMessage;
+        }
+
+        if (!currentDownloadState.retryData || currentDownloadState.errorType === 'jre') {
+          currentDownloadState.retryData = {
+            branch: 'release',
+            fileName: '4.pwr'
+          };
+          console.log('[UI] Created default PWR retry data:', currentDownloadState.retryData);
+        }
+
+        if (window.electronAPI && window.electronAPI.retryDownload) {
+          const result = await window.electronAPI.retryDownload(currentDownloadState.retryData);
+          if (!result.success) {
+            throw new Error(result.error || 'Game retry failed');
+          }
+        } else {
+          console.warn('electronAPI.retryDownload not available, simulating PWR retry...');
+          await new Promise(resolve => setTimeout(resolve, 2000));
+          throw new Error('Game retry API not available');
+        }
+
+      } catch (error) {
+        console.error('PWR retry failed:', error);
+        const errorType = categorizeError(error.message);
+        showDownloadError(`Game retry failed: ${error.message}`, true, errorType, error);
+      } finally {
+        if (progressPWRRetryBtn) {
+          progressPWRRetryBtn.disabled = false;
+          progressPWRRetryBtn.textContent = error && error.isJREError ? 'Retry Java Download' : 'Retry Game Download';
+          progressPWRRetryBtn.classList.remove('retrying');
+        }
+        currentDownloadState.isDownloading = false;
+      }
+    });
+  }
+
+  // Setup generic retry button (fallback)
+  if (progressRetryBtn) {
+    progressRetryBtn.addEventListener('click', async () => {
+      if (!currentDownloadState.canRetry || currentDownloadState.isDownloading) {
+        return;
+      }
+      progressRetryBtn.disabled = true;
+      progressRetryBtn.textContent = 'Retrying...';
+      progressRetryBtn.classList.add('retrying');
+      currentDownloadState.isDownloading = true;
+
+      try {
+        hideDownloadError();
+        
+        if (progressRetryInfo) {
+          progressRetryInfo.style.background = '';
+          progressRetryInfo.style.color = '';
+        }
+        
+        if (progressText) {
+          const contextMessage = getRetryContextMessage();
+          progressText.textContent = contextMessage;
+        }
+
+        if (!currentDownloadState.retryData) {
+          if (currentDownloadState.errorType === 'jre') {
+            currentDownloadState.retryData = {
+              isJREError: true,
+              jreUrl: '',
+              fileName: 'jre.tar.gz',
+              cacheDir: '',
+              osName: 'linux',
+              arch: 'amd64'
+            };
+          } else {
+            currentDownloadState.retryData = {
+              branch: 'release',
+              fileName: '4.pwr'
+            };
+          }
+          console.log('[UI] Created default retry data:', currentDownloadState.retryData);
+        }
+
+        if (window.electronAPI && window.electronAPI.retryDownload) {
+          const result = await window.electronAPI.retryDownload(currentDownloadState.retryData);
+          if (!result.success) {
+            throw new Error(result.error || 'Retry failed');
+          }
+        } else {
+          console.warn('electronAPI.retryDownload not available, simulating retry...');
+          await new Promise(resolve => setTimeout(resolve, 2000));
+          throw new Error('Retry API not available');
+        }
+
+      } catch (error) {
+        console.error('Retry failed:', error);
+        const errorType = categorizeError(error.message);
+        showDownloadError(`Retry failed: ${error.message}`, true, errorType);
+      } finally {
+        if (progressRetryBtn) {
+          progressRetryBtn.disabled = false;
+          progressRetryBtn.textContent = 'Retry Download';
+          progressRetryBtn.classList.remove('retrying');
+        }
+        currentDownloadState.isDownloading = false;
+      }
+    });
+  }
+}
+
+function getRetryContextMessage() {
+  const errorType = currentDownloadState.errorType;
+  
+  switch (errorType) {
+    case 'network':
+      return 'Reconnecting and retrying download...';
+    case 'stall':
+      return 'Resuming stalled download...';
+    case 'server':
+      return 'Waiting for server and retrying...';
+    case 'corruption':
+      return 'Re-downloading corrupted PWR file...';
+    case 'butler':
+      return 'Re-attempting patch installation...';
+    case 'space':
+      return 'Retrying after clearing disk space...';
+    case 'permission':
+      return 'Retrying with corrected permissions...';
+    case 'conflict':
+      return 'Retrying after resolving conflicts...';
+    case 'jre':
+      return 'Re-downloading Java runtime...';
+    default:
+      return 'Initiating retry download...';
+  }
+}
+
 // Make toggleMaximize globally available
 window.toggleMaximize = toggleMaximize;
 

GUI/js/updater.js

@@ -0,0 +1,149 @@
+// Launcher Update Manager UI
+
+let updateModal = null;
+let downloadProgressBar = null;
+
+function initUpdater() {
+  // Listen for update events from main process
+  if (window.electronAPI && window.electronAPI.onUpdateAvailable) {
+    window.electronAPI.onUpdateAvailable((updateInfo) => {
+      showUpdateModal(updateInfo);
+    });
+  }
+
+  if (window.electronAPI && window.electronAPI.onUpdateDownloadProgress) {
+    window.electronAPI.onUpdateDownloadProgress((progress) => {
+      updateDownloadProgress(progress);
+    });
+  }
+
+  if (window.electronAPI && window.electronAPI.onUpdateDownloaded) {
+    window.electronAPI.onUpdateDownloaded((info) => {
+      showInstallUpdatePrompt(info);
+    });
+  }
+}
+
+function showUpdateModal(updateInfo) {
+  if (updateModal) {
+    updateModal.remove();
+  }
+
+  updateModal = document.createElement('div');
+  updateModal.className = 'update-modal-overlay';
+  updateModal.innerHTML = `
+    <div class="update-modal">
+      <div class="update-header">
+        <i class="fas fa-download"></i>
+        <h2>Launcher Update Available</h2>
+      </div>
+      <div class="update-content">
+        <p class="update-version">Version ${updateInfo.newVersion} is available!</p>
+        <p class="current-version">Current version: ${updateInfo.currentVersion}</p>
+        ${updateInfo.releaseNotes ? `<div class="release-notes">${updateInfo.releaseNotes}</div>` : ''}
+      </div>
+      <div class="update-progress" style="display: none;">
+        <div class="progress-bar-container">
+          <div class="progress-bar" id="updateProgressBar"></div>
+        </div>
+        <p class="progress-text" id="updateProgressText">Downloading...</p>
+      </div>
+      <div class="update-actions">
+        <button class="btn-primary" onclick="downloadUpdate()">
+          <i class="fas fa-download"></i> Download Update
+        </button>
+      </div>
+    </div>
+  `;
+
+  document.body.appendChild(updateModal);
+}
+
+async function downloadUpdate() {
+  const downloadBtn = updateModal.querySelector('.btn-primary');
+  const progressDiv = updateModal.querySelector('.update-progress');
+  
+  // Disable button and show progress
+  downloadBtn.disabled = true;
+  progressDiv.style.display = 'block';
+
+  try {
+    await window.electronAPI.downloadUpdate();
+  } catch (error) {
+    console.error('Failed to download update:', error);
+    alert('Failed to download update. Please try again later.');
+    dismissUpdateModal();
+  }
+}
+
+function updateDownloadProgress(progress) {
+  if (!updateModal) return;
+
+  const progressBar = document.getElementById('updateProgressBar');
+  const progressText = document.getElementById('updateProgressText');
+
+  if (progressBar) {
+    progressBar.style.width = `${progress.percent}%`;
+  }
+
+  if (progressText) {
+    const mbTransferred = (progress.transferred / 1024 / 1024).toFixed(2);
+    const mbTotal = (progress.total / 1024 / 1024).toFixed(2);
+    const speed = (progress.bytesPerSecond / 1024 / 1024).toFixed(2);
+    progressText.textContent = `Downloading... ${mbTransferred}MB / ${mbTotal}MB (${speed} MB/s)`;
+  }
+}
+
+function showInstallUpdatePrompt(info) {
+  if (updateModal) {
+    updateModal.remove();
+  }
+
+  updateModal = document.createElement('div');
+  updateModal.className = 'update-modal-overlay';
+  updateModal.innerHTML = `
+    <div class="update-modal">
+      <div class="update-header">
+        <i class="fas fa-check-circle"></i>
+        <h2>Update Downloaded</h2>
+      </div>
+      <div class="update-content">
+        <p>Version ${info.version} has been downloaded and is ready to install.</p>
+        <p class="update-note">The launcher will restart to complete the installation.</p>
+      </div>
+      <div class="update-actions">
+        <button class="btn-primary" onclick="installUpdate()">
+          <i class="fas fa-sync-alt"></i> Restart & Install
+        </button>
+      </div>
+    </div>
+  `;
+
+  document.body.appendChild(updateModal);
+}
+
+async function installUpdate() {
+  try {
+    await window.electronAPI.installUpdate();
+  } catch (error) {
+    console.error('Failed to install update:', error);
+  }
+}
+
+function dismissUpdateModal() {
+  if (updateModal) {
+    updateModal.remove();
+    updateModal = null;
+  }
+}
+
+// Initialize when DOM is ready
+document.addEventListener('DOMContentLoaded', initUpdater);
+
+// Export functions
+window.UpdaterUI = {
+  showUpdateModal,
+  dismissUpdateModal,
+  downloadUpdate,
+  installUpdate
+};

GUI/locales/en.json

@@ -15,6 +15,9 @@
     "title": "FREE TO PLAY LAUNCHER",
     "playerName": "Player Name",
     "playerNamePlaceholder": "Enter your name",
+    "gameBranch": "Game Version",
+    "releaseVersion": "Release (Stable)",
+    "preReleaseVersion": "Pre-Release (Experimental)",
     "customInstallation": "Custom Installation",
     "installationFolder": "Installation Folder",
     "pathPlaceholder": "Default location",
@@ -54,7 +57,9 @@
     "noDescription": "No description available",
     "confirmDelete": "Are you sure you want to delete \"{name}\"?",
     "confirmDeleteDesc": "This action cannot be undone.",
-    "confirmDeletion": "Confirm Deletion"
+    "confirmDeletion": "Confirm Deletion",
+    "apiKeyRequired": "API Key Required",
+    "apiKeyRequiredDesc": "CurseForge API key is needed to browse mods"
   },
   "news": {
     "title": "ALL NEWS",
@@ -125,7 +130,18 @@
     "logsLoading": "Loading logs...",
     "closeLauncher": "Launcher Behavior",
     "closeOnStart": "Close Launcher on game start",
-    "closeOnStartDescription": "Automatically close the launcher after Hytale has launched"
+    "closeOnStartDescription": "Automatically close the launcher after Hytale has launched",
+    "hwAccel": "Hardware Acceleration",
+    "hwAccelDescription": "Enable hardware acceleration for the launcher",
+    "gameBranch": "Game Branch",
+    "branchRelease": "Release",
+    "branchPreRelease": "Pre-Release",
+    "branchHint": "Switch between stable release and experimental pre-release versions",
+    "branchWarning": "Changing branch will download and install a different game version",
+    "branchSwitching": "Switching to {branch}...",
+    "branchSwitched": "Switched to {branch} successfully!",
+    "installRequired": "Installation Required",
+    "branchInstallConfirm": "The game will be installed for the {branch} branch. Continue?"
   },
   "uuid": {
     "modalTitle": "UUID Management",
@@ -157,7 +173,8 @@
     "delete": "Delete",
     "edit": "Edit",
     "loading": "Loading...",
-    "apply": "Apply"
+    "apply": "Apply",
+    "install": "Install"
   },
   "notifications": {
     "gameDataNotFound": "Error: Game data not found",
@@ -192,7 +209,9 @@
     "modsDownloadFailed": "Failed to download mod: {error}",
     "modsToggleFailed": "Failed to toggle mod: {error}",
     "modsDeleteFailed": "Failed to delete mod: {error}",
-    "modsModNotFound": "Mod information not found"
+    "modsModNotFound": "Mod information not found",
+    "hwAccelSaved": "Hardware acceleration setting saved",
+    "hwAccelSaveFailed": "Failed to save hardware acceleration setting"
   },
   "confirm": {
     "defaultTitle": "Confirm action",
@@ -228,4 +247,4 @@
     "installingGameFiles": "Installing game files...",
     "installComplete": "Installation complete!"
   }
-}
+}

GUI/locales/es-ES.json

@@ -15,6 +15,9 @@
     "title": "LAUNCHER GRATUITO",
     "playerName": "Nombre del Jugador",
     "playerNamePlaceholder": "Ingresa tu nombre",
+    "gameBranch": "Versión del Juego",
+    "releaseVersion": "Lanzamiento (Estable)",
+    "preReleaseVersion": "Pre-Lanzamiento (Experimental)",
     "customInstallation": "Instalación Personalizada",
     "installationFolder": "Carpeta de Instalación",
     "pathPlaceholder": "Ubicación predeterminada",
@@ -54,7 +57,9 @@
     "noDescription": "Sin descripción disponible",
     "confirmDelete": "¿Estás seguro de que quieres eliminar \"{name}\"?",
     "confirmDeleteDesc": "Esta acción no se puede deshacer.",
-    "confirmDeletion": "Confirmar eliminación"
+    "confirmDeletion": "Confirmar eliminación",
+    "apiKeyRequired": "Clave API Requerida",
+    "apiKeyRequiredDesc": "Se necesita una clave API de CurseForge para explorar mods"
   },
   "news": {
     "title": "TODAS LAS NOTICIAS",
@@ -125,7 +130,16 @@
     "logsLoading": "Cargando registros...",
     "closeLauncher": "Comportamiento del Launcher",
     "closeOnStart": "Cerrar Launcher al iniciar el juego",
-    "closeOnStartDescription": "Cierra automáticamente el launcher después de que Hytale se haya iniciado"
+    "closeOnStartDescription": "Cierra automáticamente el launcher después de que Hytale se haya iniciado",
+    "gameBranch": "Rama del Juego",
+    "branchRelease": "Lanzamiento",
+    "branchPreRelease": "Pre-Lanzamiento",
+    "branchHint": "Cambia entre la versión estable y la versión experimental de pre-lanzamiento",
+    "branchWarning": "Cambiar de rama descargará e instalará una versión diferente del juego",
+    "branchSwitching": "Cambiando a {branch}...",
+    "branchSwitched": "¡Cambiado a {branch} con éxito!",
+    "installRequired": "Instalación Requerida",
+    "branchInstallConfirm": "El juego se instalará para la rama {branch}. ¿Continuar?"
   },
   "uuid": {
     "modalTitle": "Gestión de UUID",
@@ -157,7 +171,8 @@
     "delete": "Eliminar",
     "edit": "Editar",
     "loading": "Cargando...",
-    "apply": "Aplicar"
+    "apply": "Aplicar",
+    "install": "Instalar"
   },
   "notifications": {
     "gameDataNotFound": "Error: No se encontraron datos del juego",

GUI/locales/pt-BR.json

@@ -14,8 +14,9 @@
   "install": {
     "title": "LANÇADOR JOGO GRATUITO",
     "playerName": "Nome do Jogador",
-    "playerNamePlaceholder": "Digite seu nome",
-    "customInstallation": "Instalação Personalizada",
+    "playerNamePlaceholder": "Digite seu nome",    "gameBranch": "Versão do Jogo",
+    "releaseVersion": "Lançamento (Estável)",
+    "preReleaseVersion": "Pré-Lançamento (Experimental)",    "customInstallation": "Instalação Personalizada",
     "installationFolder": "Pasta de Instalação",
     "pathPlaceholder": "Local padrão",
     "browse": "Procurar",
@@ -54,7 +55,9 @@
     "noDescription": "Nenhuma descrição disponível",
     "confirmDelete": "Tem certeza de que deseja excluir \"{name}\"?",
     "confirmDeleteDesc": "Esta ação não pode ser desfeita.",
-    "confirmDeletion": "Confirmar exclusão"
+    "confirmDeletion": "Confirmar exclusão",
+    "apiKeyRequired": "Chave de API Necessária",
+    "apiKeyRequiredDesc": "Chave de API do CurseForge é necessária para procurar mods"
   },
   "news": {
     "title": "TODAS AS NOTÍCIAS",
@@ -125,7 +128,16 @@
     "logsLoading": "Carregando registros...",
     "closeLauncher": "Comportamento do Lançador",
     "closeOnStart": "Fechar Lançador ao iniciar o jogo",
-    "closeOnStartDescription": "Fechar automaticamente o lançador após o Hytale ter sido iniciado"
+    "closeOnStartDescription": "Fechar automaticamente o lançador após o Hytale ter sido iniciado",
+    "gameBranch": "Versão do Jogo",
+    "branchRelease": "Lançamento",
+    "branchPreRelease": "Pré-Lançamento",
+    "branchHint": "Alterne entre a versão estável e a versão experimental de pré-lançamento",
+    "branchWarning": "Mudar de versão irá baixar e instalar uma versão diferente do jogo",
+    "branchSwitching": "Mudando para {branch}...",
+    "branchSwitched": "Mudado para {branch} com sucesso!",
+    "installRequired": "Instalação Necessária",
+    "branchInstallConfirm": "O jogo será instalado para o ramo {branch}. Continuar?"
   },
   "uuid": {
     "modalTitle": "Gerenciamento de UUID",
@@ -158,7 +170,8 @@
     "delete": "Excluir",
     "edit": "Editar",
     "loading": "Carregando...",
-    "apply": "Aplicar"
+    "apply": "Aplicar",
+    "install": "Instalar"
   },
   "notifications": {
     "gameDataNotFound": "Erro: Dados do jogo não encontrados",

GUI/locales/tr-TR.json

@@ -0,0 +1,246 @@
+{
+  "nav": {
+    "play": "Oyna",
+    "mods": "Modlar",
+    "news": "Haberler",
+    "chat": "Oyuncu Sohbeti",
+    "settings": "Ayarlar"
+  },
+  "header": {
+    "playersLabel": "Oyuncular:",
+    "manageProfiles": "Profilleri Yönet",
+    "defaultProfile": "Varsayılan"
+  },
+  "install": {
+    "title": "ÜCRETSİZ OYNA BAŞLATICI",
+    "playerName": "Oyuncu Adı",
+    "playerNamePlaceholder": "Adınızı girin",
+    "gameBranch": "Oyun Sürümü",
+    "releaseVersion": "Yayın (Stabil)",
+    "preReleaseVersion": "Ön-Yayın (Deneysel)",
+    "customInstallation": "Özel Kurulum",
+    "installationFolder": "Kurulum Klasörü",
+    "pathPlaceholder": "Varsayılan konum",
+    "browse": "Gözat",
+    "installButton": "HYTALE KURU",
+    "installing": "KURULUYOR..."
+  },
+  "play": {
+    "ready": "OYNAMAYA HAZIR",
+    "subtitle": "Hytale'i başlat ve maceraya başla",
+    "playButton": "HYTALE'YI OYNA",
+    "latestNews": "SON HABERLER",
+    "viewAll": "HEPSINI GÖR",
+    "checking": "KONTROL EDİLİYOR...",
+    "play": "OYNA"
+  },
+  "mods": {
+    "searchPlaceholder": "Modları ara...",
+    "myMods": "BENİM MODLARIM",
+    "previous": "ÖNCEKİ",
+    "next": "SONRAKİ",
+    "page": "Sayfa",
+    "of": "nın",
+    "modalTitle": "BENİM MODLARIM",
+    "noModsFound": "Mod Bulunamadı",
+    "noModsFoundDesc": "Aramanızı ayarlamayı deneyin",
+    "noModsInstalled": "Hiçbir Mod Kurulu Değil",
+    "noModsInstalledDesc": "CurseForge'dan modlar ekleyin veya yerel dosyalar içe aktarın",
+    "view": "GÖR",
+    "install": "KURU",
+    "installed": "KURULU",
+    "enable": "ETKİNLEŞTİR",
+    "disable": "DEĞİ",
+    "active": "AKTİF",
+    "disabled": "DEĞİ",
+    "delete": "Modı sil",
+    "noDescription": "Açıklama yok",
+    "confirmDelete": "\"{name}\" öğesini silmek istediğinizden emin misiniz?",
+    "confirmDeleteDesc": "Bu işlem geri alınamaz.",
+    "confirmDeletion": "Silmeyi Onayla",
+    "apiKeyRequired": "API Anahtarı Gerekli",
+    "apiKeyRequiredDesc": "Modlara göz atmak için CurseForge API anahtarı gereklidir"
+  },
+  "news": {
+    "title": "TÜM HABERLER",
+    "readMore": "Daha Fazla Oku"
+  },
+  "chat": {
+    "title": "OYUNCU SOHBETI",
+    "pickColor": "Renk",
+    "inputPlaceholder": "Mesajınızı yazın...",
+    "send": "Gönder",
+    "online": "çevrimiçi",
+    "charCounter": "{current}/{max}",
+    "secureChat": "Güvenli sohbet - Bağlantılar sansürlenir",
+    "joinChat": "Sohbete Katıl",
+    "chooseUsername": "Oyuncu Sohbetine katılmak için bir kullanıcı adı seçin",
+    "username": "Kullanıcı Adı",
+    "usernamePlaceholder": "Kullanıcı adınızı girin...",
+    "usernameHint": "3-20 karakter, yalnızca harfler, sayılar, - ve _",
+    "joinButton": "Sohbete Katıl",
+    "colorModal": {
+      "title": "Kullanıcı Adı Rengini Özelleştir",
+      "chooseSolid": "Düz bir renk seçin:",
+      "customColor": "Özel renk:",
+      "preview": "Ön izleme:",
+      "previewUsername": "Kullanıcı Adı",
+      "apply": "Rengi Uygula"
+    }
+  },
+  "settings": {
+    "title": "AYARLAR",
+    "java": "Java Çalışma Zamanı",
+    "useCustomJava": "Özel Java Yolunu Kullan",
+    "javaDescription": "Yüklü Java çalışma zamanını kendi kurulumunuzla geçersiz kılın",
+    "javaPath": "Java Çalıştırılabilir Yolu",
+    "javaPathPlaceholder": "Java yolunu seçin...",
+    "javaBrowse": "Gözat",
+    "javaHint": "Java kurulum klasörünü seçin (Windows, Mac, Linux destekler)",
+    "discord": "Discord Entegrasyonu",
+    "enableRPC": "Discord Rich Presence'ı Etkinleştir",
+    "discordDescription": "Başlatıcı etkinliğinizi Discord'da gösterin",
+    "game": "Oyun Seçenekleri",
+    "playerName": "Oyuncu Adı",
+    "playerNamePlaceholder": "Oyuncu adınızı girin",
+    "playerNameHint": "Bu ad oyun içinde kullanılacak (1-16 karakter)",
+    "openGameLocation": "Oyun Konumunu Aç",
+    "openGameLocationDesc": "Oyun kurulum klasörünü açın",
+    "account": "Oyuncu UUID Yönetimi",
+    "currentUUID": "Geçerli UUID",
+    "uuidPlaceholder": "UUID yükleniyor...",
+    "copyUUID": "UUID'yi Kopyala",
+    "regenerateUUID": "UUID'yi Yeniden Oluştur",
+    "uuidHint": "Bu kullanıcı adı için benzersiz oyuncu tanımlayıcınız",
+    "manageUUIDs": "Tüm UUID'leri Yönet",
+    "manageUUIDsDesc": "Tüm oyuncu UUID'lerini görüntüleyin ve yönetin",
+    "language": "Dil",
+    "selectLanguage": "Dil Seçin",
+    "repairGame": "Oyunu Onarı",
+    "reinstallGame": "Oyun dosyalarını yeniden kur (veri korur)",
+    "gpuPreference": "GPU Tercihi",
+    "gpuHint": "Tercih ettiğiniz GPU'yu seçin (Linux: DRI_PRIME'ı etkiler)",
+    "gpuAuto": "Otomatik",
+    "gpuIntegrated": "Entegre",
+    "gpuDedicated": "Ayrılmış",
+    "logs": "SİSTEM KAYITLARI",
+    "logsCopy": "Kopyala",
+    "logsRefresh": "Yenile",
+    "logsFolder": "Klasörü Aç",
+    "logsLoading": "Loglar yükleniyor...",
+    "closeLauncher": "Başlatıcı Davranışı",
+    "closeOnStart": "Oyun başlatıldığında Başlatıcıyı Kapat",
+    "closeOnStartDescription": "Hytale başlatıldıktan sonra başlatıcıyı otomatik olarak kapatın",
+    "gameBranch": "Oyun Dalı",
+    "branchRelease": "Yayın",
+    "branchPreRelease": "Ön-Yayın",
+    "branchHint": "Stabil yayın ve deneysel ön-yayın sürümleri arasında geçiş yapın",
+    "branchWarning": "Dalı değiştirmek farklı bir oyun sürümünü indirecek ve kuracaktır",
+    "branchSwitching": "{branch} sürümüne geçiliyor...",
+    "branchSwitched": "{branch} sürümüne başarıyla geçildi!",
+    "installRequired": "Kurulum Gerekli",
+    "branchInstallConfirm": "Oyun {branch} dalı için kurulacak. Devam et?"
+  },
+  "uuid": {
+    "modalTitle": "UUID Yönetimi",
+    "currentUserUUID": "Geçerli Kullanıcı UUID",
+    "allPlayerUUIDs": "Tüm Oyuncu UUID'leri",
+    "generateNew": "Yeni UUID Oluştur",
+    "loadingUUIDs": "UUID'ler yükleniyor...",
+    "setCustomUUID": "Özel UUID Ayarla",
+    "customPlaceholder": "Özel UUID girin (format: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx)",
+    "setUUID": "UUID Ayarla",
+    "warning": "Uyarı: Özel bir UUID ayarlamak geçerli oyuncu kimliğinizi değiştirecektir",
+    "copyTooltip": "UUID'yi Kopyala",
+    "regenerateTooltip": "Yeni UUID Oluştur"
+  },
+  "profiles": {
+    "modalTitle": "Profilleri Yönet",
+    "newProfilePlaceholder": "Yeni Profil Adı",
+    "createProfile": "Profil Oluştur"
+  },
+  "discord": {
+    "notificationText": "Discord topluluğumuza katılın!",
+    "joinButton": "Discord'a Katıl"
+  },
+  "common": {
+    "confirm": "Onayla",
+    "cancel": "İptal",
+    "save": "Kaydet",
+    "close": "Kapat",
+    "delete": "Sil",
+    "edit": "Düzenle",
+    "loading": "Yükleniyor...",
+    "apply": "Uygula",
+    "install": "Kur"
+  },
+  "notifications": {
+    "gameDataNotFound": "Hata: Oyun verileri bulunamadı",
+    "gameUpdatedSuccess": "Oyun başarıyla güncellendi! 🎉",
+    "updateFailed": "Güncelleme başarısız: {error}",
+    "updateError": "Güncelleme hatası: {error}",
+    "discordEnabled": "Discord Rich Presence etkinleştirildi",
+    "discordDisabled": "Discord Rich Presence devre dışı bırakıldı",
+    "discordSaveFailed": "Discord ayarı kaydedilemedi",
+    "playerNameRequired": "Lütfen geçerli bir oyuncu adı girin",
+    "playerNameSaved": "Oyuncu adı başarıyla kaydedildi",
+    "playerNameSaveFailed": "Oyuncu adı kaydedilemedi",
+    "uuidCopied": "UUID panoya kopyalandı!",
+    "uuidCopyFailed": "UUID kopyalanamadı",
+    "uuidRegenNotAvailable": "UUID yeniden oluşturma kullanılamıyor",
+    "uuidRegenFailed": "UUID yeniden oluşturulamadı",
+    "uuidGenerated": "Yeni UUID başarıyla oluşturuldu!",
+    "uuidGeneratedShort": "Yeni UUID oluşturuldu!",
+    "uuidGenerateFailed": "Yeni UUID oluşturulamadı",
+    "uuidRequired": "Lütfen bir UUID girin",
+    "uuidInvalidFormat": "Geçersiz UUID formatı",
+    "uuidSetFailed": "Özel UUID ayarlanamadı",
+    "uuidSetSuccess": "Özel UUID başarıyla ayarlandı!",
+    "uuidDeleteFailed": "UUID silinemedi",
+    "uuidDeleteSuccess": "UUID başarıyla silindi!",
+    "modsDownloading": "{name} indiriliyor...",
+    "modsTogglingMod": "Mod değiştiriliyor...",
+    "modsDeletingMod": "Mod siliniyor...",
+    "modsLoadingMods": "CurseForge'dan modlar yükleniyor...",
+    "modsInstalledSuccess": "{name} başarıyla kuruldu! 🎉",
+    "modsDeletedSuccess": "{name} başarıyla silindi",
+    "modsDownloadFailed": "Mod indirilemedi: {error}",
+    "modsToggleFailed": "Mod değiştirilemedi: {error}",
+    "modsDeleteFailed": "Mod silinemedi: {error}",
+    "modsModNotFound": "Mod bilgileri bulunamadı"
+  },
+  "confirm": {
+    "defaultTitle": "Eylemi onayla",
+    "regenerateUuidTitle": "Yeni UUID oluştur",
+    "regenerateUuidMessage": "Yeni bir UUID oluşturmak istediğinizden emin misiniz? Bu oyuncu kimliğinizi değiştirecektir.",
+    "regenerateUuidButton": "Oluştur",
+    "setCustomUuidTitle": "Özel UUID ayarla",
+    "setCustomUuidMessage": "Bu özel UUID'yi ayarlamak istediğinizden emin misiniz? Bu oyuncu kimliğinizi değiştirecektir.",
+    "setCustomUuidButton": "UUID Ayarla",
+    "deleteUuidTitle": "UUID'yi sil",
+    "deleteUuidMessage": "\"{username}\" için UUID'yi silmek istediğinizden emin misiniz? Bu işlem geri alınamaz.",
+    "deleteUuidButton": "Sil",
+    "uninstallGameTitle": "Oyunu kaldır",
+    "uninstallGameMessage": "Hytale'yi kaldırmak istediğinizden emin misiniz? Tüm oyun dosyaları silinecektir.",
+    "uninstallGameButton": "Kaldır"
+  },
+  "progress": {
+    "initializing": "Başlatılıyor...",
+    "downloading": "İndiriliyor...",
+    "installing": "Kuruluyur...",
+    "extracting": "Ayıklanıyor...",
+    "verifying": "Doğrulanıyor...",
+    "switchingProfile": "Profil değiştiriliyor...",
+    "profileSwitched": "Profil değiştirildi!",
+    "startingGame": "Oyun başlatılıyor...",
+    "launching": "BAŞLATILIYOR...",
+    "uninstallingGame": "Oyun kaldırılıyor...",
+    "gameUninstalled": "Oyun başarıyla kaldırıldı!",
+    "uninstallFailed": "Kaldırma başarısız: {error}",
+    "startingUpdate": "Zorunlu oyun güncellemesi başlatılıyor...",
+    "installationComplete": "Kurulum başarıyla tamamlandı!",
+    "installationFailed": "Kurulum başarısız: {error}",
+    "installingGameFiles": "Oyun dosyaları kuruluyor...",
+    "installComplete": "Kurulum tamamlandı!"
+  }
+}

GUI/style.css

@@ -662,6 +662,57 @@ body {
     box-shadow: none;
 }
 
+/* Radio buttons for install page */
+.radio-group {
+    display: flex;
+    flex-direction: column;
+    gap: 0.75rem;
+}
+
+.radio-label {
+    display: flex;
+    align-items: center;
+    padding: 1rem;
+    background: rgba(255, 255, 255, 0.05);
+    border: 2px solid rgba(255, 255, 255, 0.1);
+    border-radius: 8px;
+    cursor: pointer;
+    transition: all 0.3s ease;
+}
+
+.radio-label:hover {
+    background: rgba(255, 255, 255, 0.08);
+    border-color: rgba(147, 51, 234, 0.5);
+}
+
+.radio-label .custom-radio {
+    position: absolute;
+    opacity: 0;
+    cursor: pointer;
+}
+
+.radio-label .custom-radio:checked ~ .radio-text {
+    color: #9333ea;
+}
+
+.radio-label:has(.custom-radio:checked) {
+    background: rgba(147, 51, 234, 0.15);
+    border-color: #9333ea;
+    box-shadow: 0 0 20px rgba(147, 51, 234, 0.2);
+}
+
+.radio-text {
+    display: flex;
+    align-items: center;
+    color: #d1d5db;
+    font-weight: 500;
+    transition: color 0.3s ease;
+}
+
+.radio-text i {
+    margin-right: 0.5rem;
+}
+
 .launcher-container {
     flex: 1;
     display: flex;
@@ -1719,15 +1770,252 @@ body {
     animation: shimmer 2s infinite;
 }
 
-@keyframes shimmer {
-    0% {
-        left: -100%;
-    }
-
-    100% {
-        left: 100%;
-    }
-}
+@keyframes shimmer {
+    0% {
+        left: -100%;
+    }
+
+    100% {
+        left: 100%;
+    }
+}
+
+/* Progress Error and Retry Styles */
+.progress-error-container {
+    margin-top: 0.75rem;
+    padding-top: 0.75rem;
+    border-top: 1px solid rgba(239, 68, 68, 0.3);
+    animation: errorSlideIn 0.3s ease-out;
+}
+
+@keyframes errorSlideIn {
+    from {
+        opacity: 0;
+        transform: translateY(-10px);
+    }
+    to {
+        opacity: 1;
+        transform: translateY(0);
+    }
+}
+
+.progress-error-message {
+    color: #f87171;
+    font-family: 'JetBrains Mono', monospace;
+    font-size: 0.75rem;
+    margin-bottom: 0.5rem;
+    text-shadow: 0 0 8px rgba(248, 113, 113, 0.4);
+    line-height: 1.4;
+}
+
+.progress-retry-section {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    gap: 0.75rem;
+}
+
+.progress-retry-buttons {
+    display: flex;
+    gap: 0.5rem;
+    flex-wrap: wrap;
+}
+
+.progress-retry-info {
+    color: #fbbf24;
+    font-family: 'JetBrains Mono', monospace;
+    font-size: 0.7rem;
+    flex: 1;
+}
+
+.progress-retry-btn {
+    background: linear-gradient(135deg, #dc2626, #ef4444);
+    color: white;
+    border: none;
+    padding: 0.5rem 1rem;
+    border-radius: 6px;
+    font-family: 'JetBrains Mono', monospace;
+    font-size: 0.75rem;
+    font-weight: 600;
+    cursor: pointer;
+    transition: all 0.2s ease;
+    box-shadow: 0 2px 8px rgba(220, 38, 38, 0.3);
+    white-space: nowrap;
+    min-width: 120px;
+}
+
+.progress-retry-btn:hover {
+    background: linear-gradient(135deg, #b91c1c, #dc2626);
+    transform: translateY(-1px);
+    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.4);
+}
+
+.progress-retry-btn:active {
+    transform: translateY(0);
+    box-shadow: 0 2px 6px rgba(220, 38, 38, 0.3);
+}
+
+.progress-retry-btn:disabled {
+    background: linear-gradient(135deg, #4b5563, #6b7280);
+    cursor: not-allowed;
+    transform: none;
+    box-shadow: none;
+    opacity: 0.6;
+}
+
+/* Progress overlay error state */
+.progress-overlay.error-state {
+    border-color: rgba(239, 68, 68, 0.5);
+    box-shadow:
+        0 4px 16px rgba(0, 0, 0, 0.5),
+        0 0 30px rgba(239, 68, 68, 0.2),
+        inset 0 1px 0 rgba(255, 255, 255, 0.05);
+}
+
+.progress-overlay.error-state #progressBarFill {
+    background: linear-gradient(90deg, #dc2626, #ef4444);
+    animation: errorPulse 1.5s ease-in-out infinite;
+}
+
+@keyframes errorPulse {
+    0%, 100% {
+        opacity: 0.8;
+    }
+    50% {
+        opacity: 1;
+    }
+}
+
+/* Error type specific styling */
+.progress-error-container.error-network {
+    border-top-color: rgba(59, 130, 246, 0.5);
+}
+
+.progress-error-container.error-network .progress-error-message {
+    color: #60a5fa;
+    text-shadow: 0 0 8px rgba(96, 165, 250, 0.4);
+}
+
+.progress-error-container.error-stall {
+    border-top-color: rgba(245, 158, 11, 0.5);
+}
+
+.progress-error-container.error-stall .progress-error-message {
+    color: #fbbf24;
+    text-shadow: 0 0 8px rgba(251, 191, 36, 0.4);
+}
+
+.progress-error-container.error-file {
+    border-top-color: rgba(239, 68, 68, 0.5);
+}
+
+.progress-error-container.error-file .progress-error-message {
+    color: #f87171;
+    text-shadow: 0 0 8px rgba(248, 113, 113, 0.4);
+}
+
+.progress-error-container.error-permission {
+    border-top-color: rgba(168, 85, 247, 0.5);
+}
+
+.progress-error-container.error-permission .progress-error-message {
+    color: #a855f7;
+    text-shadow: 0 0 8px rgba(168, 85, 247, 0.4);
+}
+
+.progress-error-container.error-server {
+    border-top-color: rgba(236, 72, 153, 0.5);
+}
+
+.progress-error-container.error-server .progress-error-message {
+    color: #ec4899;
+    text-shadow: 0 0 8px rgba(236, 72, 153, 0.4);
+}
+
+.progress-error-container.error-corruption {
+    border-top-color: rgba(220, 38, 38, 0.8);
+}
+
+.progress-error-container.error-corruption .progress-error-message {
+    color: #dc2626;
+    text-shadow: 0 0 8px rgba(220, 38, 38, 0.6);
+    font-weight: 600;
+}
+
+.progress-error-container.error-butler {
+    border-top-color: rgba(245, 158, 11, 0.5);
+}
+
+.progress-error-container.error-butler .progress-error-message {
+    color: #f59e0b;
+    text-shadow: 0 0 8px rgba(245, 158, 11, 0.4);
+}
+
+.progress-error-container.error-space {
+    border-top-color: rgba(168, 85, 247, 0.5);
+}
+
+.progress-error-container.error-space .progress-error-message {
+    color: #a855f7;
+    text-shadow: 0 0 8px rgba(168, 85, 247, 0.4);
+}
+
+.progress-error-container.error-conflict {
+    border-top-color: rgba(6, 182, 212, 0.5);
+}
+
+.progress-error-container.error-conflict .progress-error-message {
+    color: #06b6d4;
+    text-shadow: 0 0 8px rgba(6, 182, 212, 0.4);
+}
+
+/* Connection quality indicators */
+.progress-details {
+    transition: all 0.3s ease;
+}
+
+.progress-details #progressSize {
+    transition: color 0.5s ease;
+}
+
+/* Enhanced retry button states */
+.progress-retry-btn.retrying {
+    background: linear-gradient(135deg, #059669, #10b981);
+    animation: retryingPulse 1s ease-in-out infinite;
+}
+
+@keyframes retryingPulse {
+    0%, 100% {
+        transform: scale(1);
+        box-shadow: 0 2px 8px rgba(5, 150, 105, 0.3);
+    }
+    50% {
+        transform: scale(1.05);
+        box-shadow: 0 4px 12px rgba(5, 150, 105, 0.4);
+    }
+}
+
+/* Network status indicator (optional future enhancement) */
+.network-status {
+    position: absolute;
+    top: 5px;
+    right: 5px;
+    width: 8px;
+    height: 8px;
+    border-radius: 50%;
+    background: #10b981;
+    box-shadow: 0 0 6px rgba(16, 185, 129, 0.6);
+}
+
+.network-status.poor {
+    background: #f87171;
+    box-shadow: 0 0 6px rgba(248, 113, 113, 0.6);
+}
+
+.network-status.fair {
+    background: #fbbf24;
+    box-shadow: 0 0 6px rgba(251, 191, 36, 0.6);
+}
 
 .progress-bar-fill {
     height: 100%;
@@ -1795,70 +2083,6 @@ body {
 }
 
 /* Installation effects */
-.installation-effects {
-    position: fixed;
-    top: 0;
-    left: 80px;
-    width: calc(100% - 80px);
-    height: 100%;
-    background: rgba(0, 0, 0, 0.5);
-    backdrop-filter: blur(10px);
-    z-index: 40;
-    pointer-events: auto;
-    overflow: hidden;
-}
-
-.space-effects {
-    position: absolute;
-    width: 100%;
-    height: 100%;
-    perspective: 1000px;
-}
-
-.warp-line {
-    position: absolute;
-    width: 2px;
-    height: 100%;
-    background: linear-gradient(180deg, 
-        transparent 0%, 
-        rgba(147, 51, 234, 0.8) 50%, 
-        transparent 100%);
-    box-shadow: 0 0 10px rgba(147, 51, 234, 0.8),
-                0 0 20px rgba(147, 51, 234, 0.4);
-    animation: warpSpeed 1.5s linear infinite;
-    opacity: 0;
-}
-
-.warp-line:nth-child(1) { left: 10%; animation-delay: 0s; }
-.warp-line:nth-child(2) { left: 25%; animation-delay: 0.2s; }
-.warp-line:nth-child(3) { left: 40%; animation-delay: 0.4s; }
-.warp-line:nth-child(4) { left: 55%; animation-delay: 0.6s; }
-.warp-line:nth-child(5) { left: 70%; animation-delay: 0.8s; }
-.warp-line:nth-child(6) { left: 85%; animation-delay: 1s; }
-.warp-line:nth-child(7) { left: 15%; animation-delay: 0.3s; }
-.warp-line:nth-child(8) { left: 60%; animation-delay: 0.7s; }
-
-@keyframes warpSpeed {
-    0% {
-        transform: translateY(-100%) scaleY(0);
-        opacity: 0;
-    }
-    10% {
-        opacity: 1;
-    }
-    50% {
-        opacity: 1;
-        transform: translateY(0%) scaleY(1);
-    }
-    90% {
-        opacity: 1;
-    }
-    100% {
-        transform: translateY(100%) scaleY(2);
-        opacity: 0;
-    }
-}
-
 
 .mods-manager {
     display: flex;
@@ -5766,4 +5990,167 @@ select.settings-input option {
     to {
         opacity: 1;
     }
-}
+}
+/* Launcher Update Modal Styles */
+.update-modal-overlay {
+    position: fixed;
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+    background: rgba(0, 0, 0, 0.85);
+    backdrop-filter: blur(10px);
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    z-index: 100000;
+    animation: fadeIn 0.3s ease;
+}
+
+.update-modal {
+    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
+    border: 2px solid rgba(147, 51, 234, 0.3);
+    border-radius: 16px;
+    padding: 2rem;
+    max-width: 500px;
+    width: 90%;
+    box-shadow: 0 20px 60px rgba(147, 51, 234, 0.3);
+    animation: slideUp 0.3s ease;
+}
+
+@keyframes slideUp {
+    from {
+        transform: translateY(30px);
+        opacity: 0;
+    }
+    to {
+        transform: translateY(0);
+        opacity: 1;
+    }
+}
+
+.update-header {
+    display: flex;
+    align-items: center;
+    gap: 1rem;
+    margin-bottom: 1.5rem;
+    color: #9333ea;
+}
+
+.update-header i {
+    font-size: 2rem;
+}
+
+.update-header h2 {
+    margin: 0;
+    font-size: 1.5rem;
+    color: #fff;
+}
+
+.update-content {
+    color: #e0e0e0;
+    margin-bottom: 1.5rem;
+}
+
+.update-version {
+    font-size: 1.2rem;
+    font-weight: 600;
+    color: #9333ea;
+    margin-bottom: 0.5rem;
+}
+
+.current-version {
+    color: #888;
+    font-size: 0.9rem;
+    margin-bottom: 1rem;
+}
+
+.release-notes {
+    background: rgba(0, 0, 0, 0.3);
+    border-left: 3px solid #9333ea;
+    padding: 1rem;
+    border-radius: 8px;
+    max-height: 200px;
+    overflow-y: auto;
+    font-size: 0.9rem;
+    line-height: 1.6;
+}
+
+.update-progress {
+    margin-bottom: 1.5rem;
+}
+
+.progress-bar-container {
+    background: rgba(0, 0, 0, 0.3);
+    border-radius: 10px;
+    height: 20px;
+    overflow: hidden;
+    margin-bottom: 0.5rem;
+}
+
+.progress-bar {
+    height: 100%;
+    background: linear-gradient(90deg, #9333ea 0%, #7c3aed 100%);
+    width: 0%;
+    transition: width 0.3s ease;
+    border-radius: 10px;
+}
+
+.progress-text {
+    color: #aaa;
+    font-size: 0.9rem;
+    text-align: center;
+    margin: 0;
+}
+
+.update-note {
+    background: rgba(147, 51, 234, 0.1);
+    border: 1px solid rgba(147, 51, 234, 0.3);
+    padding: 0.75rem;
+    border-radius: 8px;
+    font-size: 0.9rem;
+    margin-top: 1rem;
+}
+
+.update-actions {
+    display: flex;
+    gap: 1rem;
+    justify-content: flex-end;
+}
+
+.update-actions button {
+    padding: 0.75rem 1.5rem;
+    border: none;
+    border-radius: 8px;
+    font-weight: 600;
+    cursor: pointer;
+    transition: all 0.2s;
+    display: flex;
+    align-items: center;
+    gap: 0.5rem;
+}
+
+.update-actions .btn-primary {
+    background: linear-gradient(135deg, #9333ea 0%, #7c3aed 100%);
+    color: white;
+}
+
+.update-actions .btn-primary:hover:not(:disabled) {
+    transform: translateY(-2px);
+    box-shadow: 0 5px 15px rgba(147, 51, 234, 0.4);
+}
+
+.update-actions .btn-secondary {
+    background: rgba(255, 255, 255, 0.1);
+    color: #e0e0e0;
+    border: 1px solid rgba(255, 255, 255, 0.2);
+}
+
+.update-actions .btn-secondary:hover:not(:disabled) {
+    background: rgba(255, 255, 255, 0.15);
+}
+
+.update-actions button:disabled {
+    opacity: 0.5;
+    cursor: not-allowed;
+}

PKGBUILD

@@ -1,8 +1,7 @@
 # Maintainer: Terromur <terromuroz@proton.me>
-# Maintainer: Fazri Gading <fazrigading@gmail.com>
 pkgname=Hytale-F2P-git
 _pkgname=Hytale-F2P
-pkgver=2.0.11.r120.gb05aeef
+pkgver=2.0.12.r150.gb62ffc1
 pkgrel=1
 pkgdesc="Hytale-F2P - unofficial Hytale Launcher for free to play with multiplayer support"
 arch=('x86_64')
@@ -14,12 +13,15 @@ sha256sums=('SKIP' '46488fada4775d9976d7b7b62f8d1f1f8d9a9a9d8f8aa9af4f2e2153019f
 
 pkgver() {
   cd "$_pkgname"
-  printf "2.0.11.r%s.g%s" "$(git rev-list --count HEAD)" "$(git rev-parse --short HEAD)"
+  version=$(git describe --abbrev=0 --tags --match "v[0-9]*")
+  commits=$(git rev-list --count HEAD)
+  hash=$(git rev-parse --short HEAD)
+  printf "%s.r%s.g%s" "${version#v}" "$commits" "$hash"
 }
 
 build() {
    cd "$_pkgname"
-   npm install
+   npm ci
    npm run build:linux
 }
 
@@ -27,5 +29,5 @@ package() {
   mkdir -p "$pkgdir/opt/$_pkgname"
   cp -r "$_pkgname/dist/linux-unpacked/"* "$pkgdir/opt/$_pkgname"
   install -Dm644 "$_pkgname.desktop" "$pkgdir/usr/share/applications/$_pkgname.desktop"
-  install -Dm644 "$_pkgname/icon.png" "$pkgdir/usr/share/icons/hicolor/512x512/apps/$_pkgname.png"
+  install -Dm644 "$_pkgname/GUI/icon.png" "$pkgdir/usr/share/icons/hicolor/256x256/apps/$_pkgname.png"
 }

README.md

@@ -1,19 +1,32 @@
-# 🎮 Hytale F2P Launcher | Multiplayer Support [Windows, MacOS, Linux]
-
 <div align="center">
 
-![Version](https://img.shields.io/badge/Version-2.0.2-green?style=for-the-badge)
-![Platform](https://img.shields.io/badge/Platform-Windows%20%7C%20Linux%20%7C%20macOS-lightgrey?style=for-the-badge)
-![License](https://img.shields.io/badge/License-Educational-blue?style=for-the-badge)
+<header>
+  <h1>🎮 Hytale F2P Launcher | Cross-Platform Multiplayer 🖥️</h1>
+  <h3>Available for Windows 🪟, macOS 🍎, and Linux 🐧</h3>
+  <p><small>An unofficial cross-platform launcher for Hytale with automatic updates and multiplayer support (all OS supported)</small></p>
+</header>
 
-**A modern, cross-platform launcher for Hytale with automatic updates and multiplayer support (all OS supported)**
+![Version](https://img.shields.io/badge/Version-2.1.0-green?style=for-the-badge)
+![Platform](https://img.shields.io/badge/Platform-Windows%20%7C%20macOS%20%7C%20Linux-orange?style=for-the-badge)
+![License](https://img.shields.io/badge/License-Educational-blue?style=for-the-badge)
 
 [![GitHub stars](https://img.shields.io/github/stars/amiayweb/Hytale-F2P?style=social)](https://github.com/amiayweb/Hytale-F2P/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/amiayweb/Hytale-F2P?style=social)](https://github.com/amiayweb/Hytale-F2P/network/members)
 
-⭐ **If you find this project useful, please give it a star!** ⭐
+⭐ **If you find this project useful, please give it a STAR!** ⭐
 
-🛑 **Found a problem? Join the Discord: https://discord.gg/gME8rUy3MB** 🛑
+### ⚠️ **READ [QUICK START](https://github.com/amiayweb/Hytale-F2P/tree/main?tab=readme-ov-file#-quick-start) before Downloading & Installing the Launcher!** ⚠️
+
+🛑 **Found a problem? Join the Discord and Select #Open-A-Ticket!: https://discord.gg/gME8rUy3MB** 🛑
+
+<p>
+  If you like the project, <b>feel free to support us via Buy Me a Coffee!</b>
+  Any support is appreciated and helps keep the project going.
+</p>
+
+<a href="https://buymeacoffee.com/hf2p">
+  <img src="https://media3.giphy.com/media/v1.Y2lkPTc5MGI3NjExem14OW1tanN3eHlyYmR4NW1sYmJkOTZmbmJxejdjZXB6MXY5cW12MSZlcD12MV9pbnRlcm5hbF9naWZfYnlfaWQmY3Q9cw/TDQOtnWgsBx99cNoyH/giphy.gif" width="120">
+</a>
 
 </div>
 
@@ -21,12 +34,42 @@
 ## 📸 Screenshots
 
 <div align="center">
-
-![Hytale F2P Launcher](https://i.imgur.com/9iDuzST.png)
-![Hytale F2P Mods](https://i.imgur.com/NaareIS.png)
-![Hytale F2P News](https://i.imgur.com/n1nEqRS.png)
-![Hytale F2P Chat](https://i.imgur.com/Y4hL3sx.png)
-
+  <img src="https://i.imgur.com/xW9do3d.png" alt="Hytale F2P Launcher" width="1000">
+  <details>
+    <summary><b>View Gallery</b></summary>
+    <table style="width: 100%; border-spacing: 15px; border-collapse: separate;">
+      <tr>
+        <td align="center" style="vertical-align: top; width: 50%;">
+          <b>Mods Preview</b><br>
+          <img src="https://i.imgur.com/f8qyIJy.png" alt="Hytale F2P Mods" width="100%">
+        </td>
+        <td align="center" style="vertical-align: top; width: 50%;">
+          <b>Latest News</b><br>
+          <img src="https://i.imgur.com/qu0HltD.png" alt="Hytale F2P News" width="100%">
+        </td>
+      </tr>
+      <tr>
+        <td align="center" style="vertical-align: top; width: 50%;">
+          <b>Social & Chat</b><br>
+          <img src="https://i.imgur.com/t3GmbfF.png" alt="Hytale F2P Chat" width="100%">
+        </td>
+        <td align="center" style="vertical-align: top; width: 50%;">
+          <b>Settings</b><br>
+          <img src="https://i.imgur.com/uUD7lDB.png" alt="Hytale F2P Settings" width="100%">
+        </td>
+      </tr>
+      <tr>
+        <td align="center" style="vertical-align: top; width: 50%;">
+          <b>In-Game Screenshot - Spawn Point</b><br>
+          <img src="https://i.imgur.com/X8lNFQ7.png" alt="Hytale F2P In-Game Screenshot-1" width="100%">
+        </td>
+        <td align="center" style="vertical-align: top; width: 50%;">
+          <b>In-Game Screenshot - Gameplay Terrain</b><br>
+          <img src="https://i.imgur.com/3iRScPa.png" alt="Hytale F2P In-Game Screenshot-2" width="100%">
+        </td>
+      </tr>
+    </table>
+  </details>
 </div>
 
 ---
@@ -49,24 +92,188 @@
 
 ---
 
-## 🚀 Quick Start
+# 🚀 Quick Start
 
-### 📥 Installation
+## 🖥️ System Requirements
 
-#### Windows
-1. Download the latest `Hytale-F2P.exe` from [**Releases**](https://github.com/amiayweb/Hytale-F2P/releases)
-2. Run the installer
-3. Launch from desktop or start menu
+### 🎮 Hytale Hardware Requirements
 
-#### Linux
-See [BUILD.md](BUILD.md) for detailed build instructions or [**Releases**](https://github.com/amiayweb/Hytale-F2P/releases) section.
+> [!IMPORTANT]
+> Hytale is designed to be accessible while scaling for high-end performance. 
+> Below are the [official system requirements for the Early Access](https://hytale.com/news/2025/12/hytale-hardware-requirements) release.
 
-#### macOS  
-See [BUILD.md](BUILD.md) for detailed build instructions or [**Releases**](https://github.com/amiayweb/Hytale-F2P/releases) section.
+<div align="center">
 
-#### 🖥️ How to play online on F2P?
-See [SERVER.md](SERVER.md)
-   
+<table>
+  <thead>
+    <tr>
+      <th>Component</th>
+      <th>🥉 Minimum (1080p @ 30 FPS)</th>
+      <th>🥈 Recommended (1080p @ 60 FPS)</th>
+      <th>🥇 Best (1440p @ 60 FPS)</th>
+    </tr>
+  </thead>
+  <tbody>
+    <tr>
+      <td><b>🖥️ OS</b></td>
+      <td colspan="3" align="center">
+        Windows 10/11 (64-bit; X64/ARM64) | Linux (x64/ARM64) | macOS (Apple Silicon only)
+        <br />
+        <small><i>⚠️ Note: macOS Intel (x86) is not yet supported <a href="#fn1" id="ref1">1</a></sup></i></small>
+      </td>
+    </tr>
+    <tr>
+      <td><b>⚙️ CPU</b></td>
+      <td>Intel i5-7500 / Ryzen 3 1200 / Apple M1</td>
+      <td>Intel i5-10400 / Ryzen 5 3600 / Apple M2</td>
+      <td>Intel i7-10700K / Ryzen 9 3800X / Apple M3</td>
+    </tr>
+    <tr>
+      <td><b>🧠 RAM</b></td>
+      <td>8GB (Dedicated) / 12GB (iGPU)</td>
+      <td>16 GB</td>
+      <td>32 GB</td>
+    </tr>
+    <tr>
+      <td><b>🎮 GPU</b></td>
+      <td>GTX 900 / RX 400 / UHD 620</td>
+      <td>GTX 1060 / RX 580 / Iris Xe</td>
+      <td>RTX 30 Series / RX 7000 Series</td>
+    </tr>
+    <tr>
+      <td><b>💾 Storage</b></td>
+      <td>20 GB (SATA SSD)</td>
+      <td>20 GB (NVMe SSD)</td>
+      <td>50 GB+ (NVMe SSD)</td>
+    </tr>
+    <tr>
+      <td><b>🌐 Network</b></td>
+      <td>2 Mbit/s</td>
+      <td>8 Mbit/s</td>
+      <td>10+ Mbit/s</td>
+    </tr>
+  </tbody>
+</table>
+</div>
+<p id="fn1"><sup>1</sup> Hytale did not provide game files for macOS Intel, yet.</p>
+
+
+
+### 🪟 Windows Prequisites
+* **Java JDK 25:** Download via [Adoptium](https://adoptium.net/temurin/releases/?version=25) or [Oracle](https://www.oracle.com/java/technologies/downloads/#jdk25-windows)
+* **Latest Visual Studio Redist:** Download via [Microsoft Visual C++ Redistributable](https://aka.ms/vc14/vc_redist.x64.exe) or [All-in-One by Techpowerup](https://www.techpowerup.com/download/visual-c-redistributable-runtime-package-all-in-one/)
+* **ENABLE MULTIPLAYER:** // TODO MULTIPLAYER GUIDE; FIREWALL GUIDE AND SUCH
+
+### 🐧 Linux Prequisites
+
+> [!WARNING]
+> Ubuntu-based Distro like ZorinOS or Pop!_OS or Linux Mint would encounter issues due to UbuntuLTS environment, [check this Discord post](https://discord.com/channels/1462260103951421493/1463662398501027973).
+
+* Make sure you have already installed newest **GPU driver**, consult your distro docs or wiki.
+
+* Install `libpng` package to avoid SDL3_Image error:
+  * `libpng16-16 libpng-dev` for Ubuntu/Debian-based Distro
+  * `libpng libpng-devel` for Fedora/RHEL-based Distro
+  * `libpng` for Arch-based Distro
+
+---
+
+## 📥 Installation
+
+### 🪟 Windows Installation
+
+1. **Prerequisites:** Ensure you have installed all [**Windows Prerequisites**](https://github.com/amiayweb/Hytale-F2P/tree/main?tab=readme-ov-file#-windows-prequisites) listed above.
+2. **Download:** Get the latest `Hytale-F2P-Launcher.exe` from the [**Releases**](https://github.com/amiayweb/Hytale-F2P/releases/latest/) page.
+3. **SmartScreen Note:** Since the executable is currently unsigned, Windows may show a "Windows protected your PC" popup.
+    * Click **More info**.
+    * Click **Run anyway**.
+4. **Launch:** Once installed, you can launch the app directly from your Desktop or the Start menu.
+
+---
+
+### 🐧 Linux Installation
+
+1. **Prerequisites:** Ensure you have installed all [**Linux Prerequisites**](https://github.com/amiayweb/Hytale-F2P/tree/main?tab=readme-ov-file#-linux-prequisites) above.
+2. **Download:** Choose the package that fits your distribution from the [**Releases**](https://github.com/amiayweb/Hytale-F2P/releases/latest/) page:
+   * **Universal:** `.AppImage`
+   * **Arch Linux:** `.pkg.tar.zst`
+   * **Fedora/RHEL/openSUSE:** `.rpm`
+   * **Debian/Ubuntu:** `.deb`
+3. **Permissions & Execution:**
+   * **AppImage:** Make the file executable and run it:
+     ```bash
+     chmod +x Hytale-F2P-Launcher.AppImage
+     ./Hytale-F2P-Launcher.AppImage
+     ```
+   * **Fedora (dnf):** Install the RPM:
+     ```bash
+     sudo dnf install ./Hytale-F2P-Launcher.rpm
+     ```
+   * **Debian/Ubuntu (apt):** Install the DEB:
+     ```bash
+     sudo apt install ./Hytale-F2P-Launcher.deb
+     ```
+   * **Arch Linux (pacman):** Install the package using:
+     ```bash
+     sudo pacman -U /path/to/Hytale-F2P-Launcher.pkg.tar.zst
+     ```
+4. **Troubleshooting:**
+   * **FUSE:** If the AppImage fails to launch on newer distributions, ensure `libfuse2` (or `fuse2` on Arch/Fedora) is installed.
+   * **Desktop Entry:** After installing via `.rpm`, `.deb`, or `.pkg.tar.zst`, the launcher should automatically appear in your App Library/Grid.
+
+---
+
+### 🍎 macOS Installation  
+
+> [!NOTE]
+> Apple Silicon Users: If you are on an M1, M2, or M3 Mac, you may be prompted to install Rosetta 2 the first time you run the launcher. This is normal and required for compatibility.
+
+1. **Download:** Get the latest `.dmg` file from the [**Releases**](https://github.com/amiayweb/Hytale-F2P/releases/latest/) page.
+2. **Mount:** Double-click the `.dmg` file to open it.
+3. **Install:** Drag the **Hytale F2P Launcher** icon into your **Applications** folder.
+4. **First Run:** If macOS prevents the app from opening because it is from an "unidentified developer":
+    * Open **System Settings** > **Privacy & Security**.
+    * Scroll down to the **Security** section.
+    * Look for the message regarding "Hytale F2P Launcher" and click **Open Anyway**.
+    * Authenticate with your password and click **Open**.
+
+#### **Advanced: Manual Installation (.zip)**
+The `.zip` version is useful for users who prefer a portable installation or need to bypass specific permission issues.
+
+1. **Extract:** Download and unzip the file to your desired location (e.g., `~/Applications`).
+2. **Remove Quarantine:** macOS often "quarantines" apps downloaded via browser. If the app won't open, open **Terminal** and run:
+   ```bash
+   xattr -rd com.apple.quarantine /path/to/Hytale-F2P-Launcher.app
+   ```
+> [!TIP]
+> Type the first part of the command, then drag the app icon into the Terminal window to auto-fill the path.
+
+--- 
+
+# How to Host a Server
+
+## Host your Singleplayer Server (Online-Play Feature)
+
+> [!NOTE]
+> You have to play the game to host the server. See Dedicated Server section below if you want to host it without you playing as the host.
+
+1. Open your Singleplayer World
+2. Pause the game (Esc) > select Online Play > Turn on `Allow Other Players to Join` > Set password if needed > Press `Save`.
+3. Check the status `Connected via STUN` or `Connected via UPnP`.
+
+## Dedicated Server
+
+> [!NOTE]
+> If you have already  `HytaleServer.jar` in `HytaleF2P/{release/pre-release}/package/game/latest/Server`, you can use it to host local dedicated server. 
+
+> [!TIP]
+> Use services like Playit.gg, Tailscale, Radmin VPN to share UDP connection if setting up router as an admin is not possible.
+
+> [!WARNING]
+> `Hytale-F2P-Server.rar` file is needed to set up a server on non-playing hardware (such as VPS/server hosting).
+
+> [!IMPORTANT]
+> See detailed information of setting up a server here: [SERVER.md](SERVER.md)
 
 ---
 
@@ -76,27 +283,22 @@ See [BUILD.md](BUILD.md) for comprehensive build instructions.
 
 ---
 
-## 📌 Versioning Policy
-
-**⚠️ Important: Semantic Versioning Required**
-
-This project follows **strict semantic versioning** with **numerical versions only**:
-
-- ✅ **Valid**: `2.0.1`, `2.0.11`, `2.1.0`, `3.0.0`
-- ❌ **Invalid**: `2.0.2b`, `2.0.2a`, `2.0.1-beta`, `v2.0.2b`
-
-**Format**: `MAJOR.MINOR.PATCH` (e.g., `2.0.11`)
-
-- **MAJOR**: Breaking changes
-- **MINOR**: New features (backward compatible)
-- **PATCH**: Bug fixes (backward compatible)
-
-**Why?** The auto-update system requires semantic versioning for proper version comparison. Letter suffixes (like `2.0.2b`) are not supported and will cause update detection issues.
-
----
-
 ## 📋 Changelog
 
+### 🆕 v2.1.0
+
+- 🚨 **Auto-Retry Downloads and Auto-Patch Files** —  
+- ⚡ **Hardware Acceleration** — 
+- 👨‍💻 **In-App Logging** — 
+- 🛠️ **Repair Button** — Y
+- 🔎 **Browse CurseForge Mods** — Browsing mods now easier with our dedicated CurseForge API Key.
+- 🌎 **Fixes and Release New Translation** — Fixed 🇪🇸 🇧🇷 and added more translation for current build. Turkish 🇹🇷 language now added.
+
+
+
+<details>
+<summary>Click here to see older Changelogs</summary>
+
 ### 🆕 v2.0.2b *(Minor Update: Performance & Utilities)*  
 - 🌎 **Language Translation** — A big welcome for Spanish 🇪🇸 and Portuguese (Brazil) 🇧🇷 players! **Language setting can be found in the bottom part of Settings pane.**
 - 💻 **Laptop/Hybrid GPU Performance Issue Fix** — Added automatic GPU detection system and options to choose which GPU will be used for the game, *specifically for Linux users*.
@@ -104,14 +306,15 @@ This project follows **strict semantic versioning** with **numerical versions on
 - 🛠️ **Repair Button** — Your game's broken? One button will fix them, go to Settings pane to Repair your game in one-click, **without losing any data**. If doing so did not fix your issue, please report it to us immediately!
 - 🐛 **Fixed Bugs** — Fixed issue [#84](https://github.com/amiayweb/Hytale-F2P/issues/84) where mods disappearing when game starts in previous launcher (v2.0.2a).
 
-### 🆕 v2.0.2a *(Minor Update)*  
+
+### 🔄 v2.0.2a *(Minor Update)*  
 - 🧑‍🚀 **Profiles System** — Added proper profile management: create, switch, and delete profiles. Each profile now has its own **isolated mod list**.  
 - 🔒 **Mod Isolation** — Fixed ModManager so mods are **strictly scoped to the active profile**. Browsing and installing now only affects the selected profile.  
-- 🚨 **Critical Path Fix** — Resolved a macOS bug where mods were being saved to a Windows path (`~/AppData/Local`) instead of `~/Library/Application Support`. Mods now save to the **correct location** and load properly in-game.  
+- 🚨 **Critical Path Fix** — Resolved a macOS bug where mods were being saved to a Windows path (`~/AppData/Local`) instead of `~/Library/Application Support`.
 - 🛡️ **Stability Improvements** — Added an **auto-sync step before every launch** to ensure the physical mods folder always matches the active profile.  
 - 🎨 **UI Enhancements** — Added a **profile selector dropdown** and a **profile management modal**.
   
-### 🆕 v2.0.2 
+### 🔄 v2.0.2 
 - 🎮 **Discord RPC Integration** - Added Discord Rich Presence with toggle in settings (enabled by default)
 - 🌐 **Cross-Platform Multiplayer** - Added multiplayer patch support for Windows, Linux, and macOS
 - 🎨 **Chat Improvements** - Simplified chat color system
@@ -156,7 +359,7 @@ This project follows **strict semantic versioning** with **numerical versions on
 - ☕ **Java Management** - Automatic Java runtime handling
 - 🎨 **Modern Interface** - Clean, intuitive design
 - 🌟 **First Release** - Core launcher functionality
-
+</details>
 ---
 
 ## 👥 Contributors
@@ -170,7 +373,7 @@ This project follows **strict semantic versioning** with **numerical versions on
 </div>
 
 ### 🏆 Project Creator
-- [**@amiayweb**](https://github.com/amiayweb) - *Lead Developer & Project Creator*
+- [**@amiayweb**](https://github.com/amiayweb) - *Lead Developer & Project Creator | Windows*
 - [**@Relyz1993**](https://github.com/Relyz1993) - *Server Helper & Second Developer & Project Creator*
 
 ### 🌟 Contributors  
@@ -181,6 +384,8 @@ This project follows **strict semantic versioning** with **numerical versions on
 - [**@chasem-dev**](https://github.com/chasem-dev) - *Issues fixer*
 - [**@crimera**](https://github.com/crimera) - *Issues fixer*  
 - [**@Citeli-py**](https://github.com/Citeli-py) - *Issues fixer*
+- [**@Rahul-Sahani04**](https://github.com/Rahul-Sahani04) - *Issues fixer*
+- [**@xSamiVS**](https://github.com/xSamiVS) - *Language Translator*
 
 ---
 
@@ -224,7 +429,7 @@ This launcher is created for **educational purposes only**.
 
 🛑 **Takedown Policy** - If Hypixel Studios or Hytale requests removal, this project will be taken down immediately.
 
-❤️ **Support Official** - Please support the official game by purchasing it when available.
+❤️ **Support Official** - Please support the official game by **purchasing** it legally when available.
 
 ---
 
@@ -232,7 +437,8 @@ This launcher is created for **educational purposes only**.
 
 **⭐ Star this project if you found it helpful! ⭐**
 
-*Made with ❤️ by [@amiayweb](https://github.com/amiayweb) and the amazing community*
+*Made with ❤️ by [@amiayweb](https://github.com/amiayweb) and the legendary contributors with amazing community*
+
 [![Star History Chart](https://api.star-history.com/svg?repos=amiayweb/Hytale-F2P&type=date&legend=top-left)](https://www.star-history.com/#amiayweb/Hytale-F2P&type=date&legend=top-left)
 </div>
 

SERVER.md

@@ -188,7 +188,7 @@ Set these before running to customize your server:
 | Variable | Default | Description |
 |----------|---------|-------------|
 | `HYTALE_SERVER_URL` | (placeholder) | URL to download pre-patched server JAR |
-| `HYTALE_AUTH_DOMAIN` | `sanasol.ws` | Auth server domain |
+| `HYTALE_AUTH_DOMAIN` | `auth.sanasol.ws` | Auth server domain (4-16 chars) |
 | `HYTALE_BIND` | `0.0.0.0:5520` | Server IP and port |
 | `HYTALE_AUTH_MODE` | `authenticated` | Auth mode (see below) |
 | `HYTALE_SERVER_NAME` | `My Hytale Server` | Server display name |
@@ -400,7 +400,7 @@ docker run -d \
   --name hytale-server \
   -p 5520:5520/udp \
   -v ./data:/data \
-  -e HYTALE_AUTH_DOMAIN=sanasol.ws \
+  -e HYTALE_AUTH_DOMAIN=auth.sanasol.ws \
   -e HYTALE_SERVER_NAME="My Server" \
   -e JVM_XMX=8G \
   ghcr.io/hybrowse/hytale-server-docker:latest

backend/appUpdater.js

@@ -15,12 +15,6 @@ class AppUpdater {
   }
 
   setupAutoUpdater() {
-    // Enable dev mode for testing (reads dev-app-update.yml)
-    // Only enable in development, not in production builds
-    if (process.env.NODE_ENV === 'development' || !app.isPackaged) {
-      autoUpdater.forceDevUpdateConfig = true;
-      console.log('Dev update mode enabled - using dev-app-update.yml');
-    }
 
     // Configure logger for electron-updater
     // Create a compatible logger interface
@@ -176,7 +170,7 @@ class AppUpdater {
         console.warn('macOS update error: App may not be code-signed. Auto-update requires code signing.');
         if (this.mainWindow && !this.mainWindow.isDestroyed()) {
           this.mainWindow.webContents.send('update-error', {
-            message: 'Auto-update requires code signing. Please download manually from GitHub.',
+            message: 'Please download manually from GitHub.',
             code: err.code,
             isMacSigningError: true,
             requiresManualDownload: true,

backend/core/config.js

@@ -4,7 +4,7 @@ const os = require('os');
 
 
 // Default auth domain - can be overridden by env var or config
-const DEFAULT_AUTH_DOMAIN = 'sanasol.ws';
+const DEFAULT_AUTH_DOMAIN = 'auth.sanasol.ws';
 
 // Get auth domain from env, config, or default
 function getAuthDomain() {
@@ -26,9 +26,10 @@ function getAuthDomain() {
 }
 
 // Get full auth server URL
+// Domain already includes subdomain (auth.sanasol.ws), so use directly
 function getAuthServerUrl() {
   const domain = getAuthDomain();
-  return `https://sessions.${domain}`;
+  return `https://${domain}`;
 }
 
 // Save auth domain to config
@@ -165,13 +166,22 @@ function loadCloseLauncherOnStart() {
   return config.closeLauncherOnStart !== undefined ? config.closeLauncherOnStart : false;
 }
 
+function saveLauncherHardwareAcceleration(enabled) {
+  saveConfig({ launcherHardwareAcceleration: !!enabled });
+}
+
+function loadLauncherHardwareAcceleration() {
+  const config = loadConfig();
+  return config.launcherHardwareAcceleration !== undefined ? config.launcherHardwareAcceleration : true;
+}
+
 function saveModsToConfig(mods) {
   try {
     const config = loadConfig();
 
-  // Config migration handles structure, but mod saves must go to the ACTIVE profile.
-  // Global installedMods is kept mainly for reference/migration.
-  // The profile is the source of truth for enabled mods.
+    // Config migration handles structure, but mod saves must go to the ACTIVE profile.
+    // Global installedMods is kept mainly for reference/migration.
+    // The profile is the source of truth for enabled mods.
 
 
     if (config.activeProfileId && config.profiles && config.profiles[config.activeProfileId]) {
@@ -304,6 +314,30 @@ function loadGpuPreference() {
   return config.gpuPreference || 'auto';
 }
 
+function saveVersionClient(versionClient) {
+  saveConfig({ version_client: versionClient });
+}
+
+function loadVersionClient() {
+  const config = loadConfig();
+  return config.version_client !== undefined ? config.version_client : null;
+}
+
+function saveVersionBranch(versionBranch) {
+  const branch = versionBranch || 'release';
+  if (branch !== 'release' && branch !== 'pre-release') {
+    console.warn(`Invalid branch "${branch}", defaulting to "release"`);
+    saveConfig({ version_branch: 'release' });
+  } else {
+    saveConfig({ version_branch: branch });
+  }
+}
+
+function loadVersionBranch() {
+  const config = loadConfig();
+  return config.version_branch || 'release';
+}
+
 module.exports = {
   loadConfig,
   saveConfig,
@@ -343,5 +377,15 @@ module.exports = {
   loadGpuPreference,
   // Close Launcher export
   saveCloseLauncherOnStart,
-  loadCloseLauncherOnStart
+  loadCloseLauncherOnStart,
+
+  // Hardware Acceleration functions
+  saveLauncherHardwareAcceleration,
+  loadLauncherHardwareAcceleration,
+
+  // Version Management exports
+  saveVersionClient,
+  loadVersionClient,
+  saveVersionBranch,
+  loadVersionBranch
 };

backend/core/paths.js

@@ -1,6 +1,7 @@
 const fs = require('fs');
 const path = require('path');
 const os = require('os');
+const { loadVersionBranch } = require('./config');
 
 function getAppDir() {
   const home = os.homedir();
@@ -48,8 +49,20 @@ function expandHome(inputPath) {
 const APP_DIR = DEFAULT_APP_DIR;
 const CACHE_DIR = path.join(APP_DIR, 'cache');
 const TOOLS_DIR = path.join(APP_DIR, 'butler');
-const GAME_DIR = path.join(APP_DIR, 'release', 'package', 'game', 'latest');
-const JRE_DIR = path.join(APP_DIR, 'release', 'package', 'jre', 'latest');
+
+// Dynamic GAME_DIR and JRE_DIR based on version_branch from config
+function getGameDir() {
+  const branch = loadVersionBranch();
+  return path.join(APP_DIR, branch, 'package', 'game', 'latest');
+}
+
+function getJreDir() {
+  const branch = loadVersionBranch();
+  return path.join(APP_DIR, branch, 'package', 'jre', 'latest');
+}
+
+const GAME_DIR = getGameDir();
+const JRE_DIR = getJreDir();
 const PLAYER_ID_FILE = path.join(APP_DIR, 'player_id.json');
 
 function getClientCandidates(gameLatest) {
@@ -156,7 +169,8 @@ async function getModsPath(customInstallPath = null) {
       installPath = getAppDir();
     }
 
-    const gameLatest = path.join(installPath, 'release', 'package', 'game', 'latest');
+    const branch = loadVersionBranch();
+    const gameLatest = path.join(installPath, branch, 'package', 'game', 'latest');
 
     const userDataPath = findUserDataPath(gameLatest);
 
@@ -195,7 +209,8 @@ function getProfilesDir(customInstallPath = null) {
     }
     if (!installPath) installPath = getAppDir();
     
-    const gameLatest = path.join(installPath, 'release', 'package', 'game', 'latest');
+    const branch = loadVersionBranch();
+    const gameLatest = path.join(installPath, branch, 'package', 'game', 'latest');
     const userDataPath = findUserDataPath(gameLatest);
     const profilesDir = path.join(userDataPath, 'Profiles');
     
@@ -219,6 +234,8 @@ module.exports = {
   TOOLS_DIR,
   GAME_DIR,
   JRE_DIR,
+  getGameDir,
+  getJreDir,
   PLAYER_ID_FILE,
   getClientCandidates,
   findClientPath,

backend/launcher.js

@@ -19,6 +19,12 @@ const {
   loadLanguage,
   saveCloseLauncherOnStart,
   loadCloseLauncherOnStart,
+
+  // Hardware Acceleration
+  saveLauncherHardwareAcceleration,
+  loadLauncherHardwareAcceleration,
+
+
   saveModsToConfig,
   loadModsFromConfig,
   getUuidForUser,
@@ -33,7 +39,12 @@ const {
   resetCurrentUserUuid,
   // GPU Preference
   saveGpuPreference,
-  loadGpuPreference
+  loadGpuPreference,
+  // Version Management
+  saveVersionClient,
+  loadVersionClient,
+  saveVersionBranch,
+  loadVersionBranch
 } = require('./core/config');
 
 const { getResolvedAppDir, getModsPath } = require('./core/paths');
@@ -71,7 +82,6 @@ const {
 
 // Services
 const {
-  getInstalledClientVersion,
   getLatestClientVersion
 } = require('./services/versionManager');
 
@@ -121,23 +131,30 @@ module.exports = {
   // Discord RPC functions
   saveDiscordRPC,
   loadDiscordRPC,
-  
+
   // Language functions
   saveLanguage,
   loadLanguage,
-  
+
   // Close Launcher functions
   saveCloseLauncherOnStart,
   loadCloseLauncherOnStart,
-  
+
+  // Hardware Acceleration functions
+  saveLauncherHardwareAcceleration,
+  loadLauncherHardwareAcceleration,
+
   // GPU Preference functions
   saveGpuPreference,
   loadGpuPreference,
   detectGpu,
-  
+
   // Version functions
-  getInstalledClientVersion,
   getLatestClientVersion,
+  saveVersionClient,
+  loadVersionClient,
+  saveVersionBranch,
+  loadVersionBranch,
 
   // News functions
   getHytaleNews,

backend/logger.js

@@ -85,7 +85,7 @@ class Logger {
       
       fs.appendFileSync(this.logFile, message, 'utf8');
     } catch (error) {
-      this.originalConsole.error('Impossible d\'écrire dans le fichier de log:', error.message);
+      this.originalConsole.error('Unable to write to log file:', error.message);
     }
   }
 

backend/managers/gameLauncher.js

@@ -7,9 +7,9 @@ const { spawn } = require('child_process');
 const { v4: uuidv4 } = require('uuid');
 const { getResolvedAppDir, findClientPath } = require('../core/paths');
 const { setupWaylandEnvironment, setupGpuEnvironment } = require('../utils/platformUtils');
-const { saveUsername, saveInstallPath, loadJavaPath, getUuidForUser, getAuthServerUrl, getAuthDomain } = require('../core/config');
+const { saveUsername, saveInstallPath, loadJavaPath, getUuidForUser, getAuthServerUrl, getAuthDomain, loadVersionBranch, loadVersionClient, saveVersionClient } = require('../core/config');
 const { resolveJavaPath, getJavaExec, getBundledJavaPath, detectSystemJava, JAVA_EXECUTABLE } = require('./javaManager');
-const { getInstalledClientVersion, getLatestClientVersion } = require('../services/versionManager');
+const { getLatestClientVersion } = require('../services/versionManager');
 const { updateGameFiles } = require('./gameManager');
 const { syncModsForCurrentProfile } = require('./modManager');
 
@@ -101,10 +101,11 @@ function generateLocalTokens(uuid, name) {
   };
 }
 
-async function launchGame(playerName = 'Player', progressCallback, javaPathOverride, installPathOverride, gpuPreference = 'auto') {
+async function launchGame(playerName = 'Player', progressCallback, javaPathOverride, installPathOverride, gpuPreference = 'auto', branchOverride = null) {
+  const branch = branchOverride || loadVersionBranch();
   const customAppDir = getResolvedAppDir(installPathOverride);
-  const customGameDir = path.join(customAppDir, 'release', 'package', 'game', 'latest');
-  const customJreDir = path.join(customAppDir, 'release', 'package', 'jre', 'latest');
+  const customGameDir = path.join(customAppDir, branch, 'package', 'game', 'latest');
+  const customJreDir = path.join(customAppDir, branch, 'package', 'jre', 'latest');
   const userDataDir = path.join(customGameDir, 'Client', 'UserData');
 
   const gameLatest = customGameDir;
@@ -151,32 +152,29 @@ async function launchGame(playerName = 'Player', progressCallback, javaPathOverr
   const { identityToken, sessionToken } = await fetchAuthTokens(uuid, playerName);
 
   // Patch client and server binaries to use custom auth server (BEFORE signing on macOS)
+  // FORCE patch on every launch to ensure consistency
   const authDomain = getAuthDomain();
   if (clientPatcher) {
     try {
       if (progressCallback) {
         progressCallback('Patching game for custom server...', null, null, null, null);
       }
-      console.log(`Patching game binaries for ${authDomain}...`);
+      console.log(`Force patching game binaries for ${authDomain}...`);
 
       const patchResult = await clientPatcher.ensureClientPatched(gameLatest, (msg, percent) => {
-        console.log(`[Patcher] ${msg}`);
+        // console.log(`[Patcher] ${msg}`);
         if (progressCallback && msg) {
           progressCallback(msg, percent, null, null, null);
         }
       });
 
       if (patchResult.success) {
-        if (patchResult.alreadyPatched) {
-          console.log(`Game already patched for ${authDomain}`);
-        } else {
-          console.log(`Game patched successfully (${patchResult.patchCount} total occurrences)`);
-          if (patchResult.client) {
-            console.log(`  Client: ${patchResult.client.patchCount || 0} occurrences`);
-          }
-          if (patchResult.server) {
-            console.log(`  Server: ${patchResult.server.patchCount || 0} occurrences`);
-          }
+        console.log(`Game patched successfully (${patchResult.patchCount} total occurrences)`);
+        if (patchResult.client) {
+          console.log(`  Client: ${patchResult.client.patchCount || 0} occurrences`);
+        }
+        if (patchResult.server) {
+          console.log(`  Server: ${patchResult.server.patchCount || 0} occurrences`);
         }
       } else {
         console.warn('Game patching failed:', patchResult.error);
@@ -333,6 +331,7 @@ exec "$REAL_JAVA" "\${ARGS[@]}"
       }
     });
 
+    // Monitor game process status in background
     setTimeout(() => {
       if (!hasExited) {
         console.log('Game appears to be running successfully');
@@ -345,6 +344,7 @@ exec "$REAL_JAVA" "\${ARGS[@]}"
       }
     }, 3000);
 
+    // Return immediately, don't wait for setTimeout
     return { success: true, installed: true, launched: true, pid: child.pid };
   } catch (spawnError) {
     console.error(`Error spawning game process: ${spawnError.message}`);
@@ -355,23 +355,23 @@ exec "$REAL_JAVA" "\${ARGS[@]}"
   }
 }
 
-async function launchGameWithVersionCheck(playerName = 'Player', progressCallback, javaPathOverride, installPathOverride, gpuPreference = 'auto') {
+async function launchGameWithVersionCheck(playerName = 'Player', progressCallback, javaPathOverride, installPathOverride, gpuPreference = 'auto', branchOverride = null) {
   try {
+    const branch = branchOverride || loadVersionBranch();
+    
     if (progressCallback) {
       progressCallback('Checking for updates...', 0, null, null, null);
     }
 
-    const [installedVersion, latestVersion] = await Promise.all([
-      getInstalledClientVersion(),
-      getLatestClientVersion()
-    ]);
+    const installedVersion = loadVersionClient();
+    const latestVersion = await getLatestClientVersion(branch);
 
-    console.log(`Installed version: ${installedVersion}, Latest version: ${latestVersion}`);
+    console.log(`Installed version: ${installedVersion}, Latest version: ${latestVersion} (branch: ${branch})`);
 
     let needsUpdate = false;
-    if (installedVersion && latestVersion && installedVersion !== latestVersion) {
+    if (!installedVersion || installedVersion !== latestVersion) {
       needsUpdate = true;
-      console.log('Version mismatch detected, update required');
+      console.log('Version mismatch or not installed, update required');
     }
 
     if (needsUpdate) {
@@ -380,13 +380,13 @@ async function launchGameWithVersionCheck(playerName = 'Player', progressCallbac
       }
 
       const customAppDir = getResolvedAppDir(installPathOverride);
-      const customGameDir = path.join(customAppDir, 'release', 'package', 'game', 'latest');
+      const customGameDir = path.join(customAppDir, branch, 'package', 'game', 'latest');
       const customToolsDir = path.join(customAppDir, 'butler');
       const customCacheDir = path.join(customAppDir, 'cache');
 
       try {
-        await updateGameFiles(latestVersion, progressCallback, customGameDir, customToolsDir, customCacheDir);
-        console.log('Game updated successfully, waiting before launch...');
+        await updateGameFiles(latestVersion, progressCallback, customGameDir, customToolsDir, customCacheDir, branch);
+        console.log('Game updated successfully, patching will be forced on launch...');
 
         if (progressCallback) {
           progressCallback('Preparing game launch...', 90, null, null, null);
@@ -406,13 +406,22 @@ async function launchGameWithVersionCheck(playerName = 'Player', progressCallbac
       progressCallback('Launching game...', 80, null, null, null);
     }
 
-    return await launchGame(playerName, progressCallback, javaPathOverride, installPathOverride, gpuPreference);
+    const launchResult = await launchGame(playerName, progressCallback, javaPathOverride, installPathOverride, gpuPreference, branch);
+    
+    // Ensure we always return a result
+    if (!launchResult) {
+      console.error('launchGame returned null/undefined, creating fallback response');
+      return { success: false, error: 'Game launch failed - no response from launcher' };
+    }
+    
+    return launchResult;
   } catch (error) {
     console.error('Error in version check and launch:', error);
     if (progressCallback) {
       progressCallback(`Error: ${error.message}`, -1, null, null, null);
     }
-    throw error;
+    // Always return an error response instead of throwing
+    return { success: false, error: error.message || 'Unknown launch error' };
   }
 }
 

backend/managers/gameManager.js

@@ -3,14 +3,15 @@ const path = require('path');
 const { execFile } = require('child_process');
 const { getResolvedAppDir, findClientPath, findUserDataPath, findUserDataRecursive, GAME_DIR, CACHE_DIR, TOOLS_DIR } = require('../core/paths');
 const { getOS, getArch } = require('../utils/platformUtils');
-const { downloadFile } = require('../utils/fileManager');
+const { downloadFile, retryDownload, retryStalledDownload, MAX_AUTOMATIC_STALL_RETRIES } = require('../utils/fileManager');
 const { getLatestClientVersion, getInstalledClientVersion } = require('../services/versionManager');
 const { installButler } = require('./butlerManager');
 const { downloadAndReplaceHomePageUI, downloadAndReplaceLogo } = require('./uiFileManager');
-const { saveUsername, saveInstallPath, loadJavaPath, CONFIG_FILE, loadConfig } = require('../core/config');
+const { saveUsername, saveInstallPath, loadJavaPath, CONFIG_FILE, loadConfig, loadVersionBranch, saveVersionClient, loadVersionClient } = require('../core/config');
 const { resolveJavaPath, detectSystemJava, downloadJRE, getJavaExec, getBundledJavaPath } = require('./javaManager');
+const userDataBackup = require('../utils/userDataBackup');
 
-async function downloadPWR(version = 'release', fileName = '4.pwr', progressCallback, cacheDir = CACHE_DIR) {
+async function downloadPWR(branch = 'release', fileName = '4.pwr', progressCallback, cacheDir = CACHE_DIR, manualRetry = false) {
   const osName = getOS();
   const arch = getArch();
 
@@ -18,24 +19,143 @@ async function downloadPWR(version = 'release', fileName = '4.pwr', progressCall
     throw new Error('Hytale x86_64 Intel Mac Support has not been released yet. Please check back later.');
   }
 
-  const url = `https://game-patches.hytale.com/patches/${osName}/${arch}/${version}/0/${fileName}`;
+  const url = `https://game-patches.hytale.com/patches/${osName}/${arch}/${branch}/0/${fileName}`;
+  const dest = path.join(cacheDir, `${branch}_${fileName}`);
 
-  const dest = path.join(cacheDir, fileName);
-
-  if (fs.existsSync(dest)) {
+  // Check if file exists and validate it
+  if (fs.existsSync(dest) && !manualRetry) {
     console.log('PWR file found in cache:', dest);
-    return dest;
+    
+    // Validate file size (PWR files should be > 1MB and >= 1.5GB for complete downloads)
+    const stats = fs.statSync(dest);
+    if (stats.size < 1024 * 1024) {
+      return false;
+    }
+    
+    // Check if file is under 1.5 GB (incomplete download)
+    const sizeInMB = stats.size / 1024 / 1024;
+    if (sizeInMB < 1500) {
+      console.log(`[PWR Validation] File appears incomplete: ${sizeInMB.toFixed(2)} MB < 1.5 GB`);
+      return false;
+    }
   }
 
   console.log('Fetching PWR patch file:', url);
-  await downloadFile(url, dest, progressCallback);
+  
+  try {
+    if (manualRetry) {
+      await retryDownload(url, dest, progressCallback);
+    } else {
+      await downloadFile(url, dest, progressCallback);
+    }
+  } catch (error) {
+    // Check for automatic stall retry conditions (only for stall errors, not manual retries)
+    if (!manualRetry && 
+        error.message && 
+        error.message.includes('stalled') && 
+        error.canRetry !== false && // Explicitly check it's not false
+        (!error.retryState || error.retryState.automaticStallRetries < MAX_AUTOMATIC_STALL_RETRIES)) {
+      
+      console.log(`[PWR] Automatic stall retry triggered (${(error.retryState && error.retryState.automaticStallRetries || 0) + 1}/${MAX_AUTOMATIC_STALL_RETRIES})`);
+      
+      try {
+        await retryStalledDownload(url, dest, progressCallback, error);
+        console.log('[PWR] Automatic stall retry successful');
+        
+        // After successful automatic retry, continue with normal flow - the file should be valid now
+        const retryStats = fs.statSync(dest);
+        console.log(`PWR file downloaded (auto-retry), size: ${(retryStats.size / 1024 / 1024).toFixed(2)} MB`);
+        
+        if (!validatePWRFile(dest)) {
+          console.log(`[PWR Validation] PWR file validation failed after auto-retry, deleting corrupted file: ${dest}`);
+          fs.unlinkSync(dest);
+          throw new Error('Downloaded PWR file is corrupted or invalid after automatic retry. Please retry manually');
+        }
+
+        
+      } catch (retryError) {
+        console.error('[PWR] Automatic stall retry failed:', retryError.message);
+        
+        // Create enhanced error with updated retry state
+        const enhancedError = new Error(`PWR download failed after automatic retries: ${retryError.message}`);
+        enhancedError.originalError = retryError;
+        enhancedError.retryState = retryError.retryState || error.retryState || null;
+        enhancedError.canRetry = true; // Still allow manual retry
+        enhancedError.pwrUrl = url;
+        enhancedError.pwrDest = dest;
+        enhancedError.branch = branch;
+        enhancedError.fileName = fileName;
+        enhancedError.cacheDir = cacheDir;
+        enhancedError.automaticRetriesExhausted = true;
+        throw enhancedError;
+      }
+    }
+    
+    // Enhanced error handling for retry UI (non-stall errors or exhausted automatic retries)
+    const enhancedError = new Error(`PWR download failed: ${error.message}`);
+    enhancedError.originalError = error;
+    enhancedError.retryState = error.retryState || null;
+    enhancedError.canRetry = error.isConnectionLost ? false : (error.canRetry !== false); // Don't allow retry for connection lost
+    enhancedError.pwrUrl = url;
+    enhancedError.pwrDest = dest;
+    enhancedError.branch = branch;
+    enhancedError.fileName = fileName;
+    enhancedError.cacheDir = cacheDir;
+    enhancedError.isConnectionLost = error.isConnectionLost || false;
+    
+    console.log(`[PWR] Error handling:`, {
+      message: enhancedError.message,
+      isConnectionLost: enhancedError.isConnectionLost,
+      canRetry: enhancedError.canRetry,
+      retryState: enhancedError.retryState
+    });
+    
+    throw enhancedError;
+  }
+  
+  // Enhanced PWR file validation
+  const stats = fs.statSync(dest);
+  console.log(`PWR file downloaded, size: ${(stats.size / 1024 / 1024).toFixed(2)} MB`);
+  
+  if (!validatePWRFile(dest)) {
+    console.log(`[PWR Validation] PWR file validation failed, deleting corrupted file: ${dest}`);
+    fs.unlinkSync(dest);
+    throw new Error('Downloaded PWR file is corrupted or invalid. Please retry');
+  }
+  
   console.log('PWR saved to:', dest);
+  console.log(`[PWR Validation] PWR file validation passed: ${dest}`);
 
   return dest;
 }
 
-async function applyPWR(pwrFile, progressCallback, gameDir = GAME_DIR, toolsDir = TOOLS_DIR) {
+// Manual retry function for PWR downloads
+async function retryPWRDownload(branch, fileName, progressCallback, cacheDir = CACHE_DIR) {
+  console.log('Initiating manual PWR retry...');
+  return await downloadPWR(branch, fileName, progressCallback, cacheDir, true);
+}
+
+async function applyPWR(pwrFile, progressCallback, gameDir = GAME_DIR, toolsDir = TOOLS_DIR, branch = 'release', cacheDir = CACHE_DIR) {
+  console.log(`[Butler] Starting PWR application with:`);
+  console.log(`[Butler] - PWR file: ${pwrFile}`);
+  console.log(`[Butler] - Staging dir: ${path.join(gameDir, 'staging-temp')}`);
+  console.log(`[Butler] - Game dir: ${gameDir}`);
+  console.log(`[Butler] - Branch: ${branch}`);
+  console.log(`[Butler] - Cache dir: ${cacheDir}`);
+  
+  // Validate PWR file exists and get diagnostic info
+  if (!pwrFile || typeof pwrFile !== 'string' || !fs.existsSync(pwrFile)) {
+    throw new Error(`PWR file not found: ${pwrFile || 'undefined'}. Please retry download.`);
+  }
+  
+  const pwrStats = fs.statSync(pwrFile);
+  console.log(`[Butler] PWR file size: ${(pwrStats.size / 1024 / 1024).toFixed(2)} MB`);
+  console.log(`[Butler] PWR file exists: ${fs.existsSync(pwrFile)}`);
+  
   const butlerPath = await installButler(toolsDir);
+  console.log(`[Butler] Butler path: ${butlerPath}`);
+  console.log(`[Butler] Butler executable: ${fs.existsSync(butlerPath)}`);
+  
   const gameLatest = gameDir;
   const stagingDir = path.join(gameLatest, 'staging-temp');
 
@@ -46,12 +166,11 @@ async function applyPWR(pwrFile, progressCallback, gameDir = GAME_DIR, toolsDir
     return;
   }
 
-  if (!fs.existsSync(gameLatest)) {
-    fs.mkdirSync(gameLatest, { recursive: true });
-  }
-  if (!fs.existsSync(stagingDir)) {
-    fs.mkdirSync(stagingDir, { recursive: true });
-  }
+  // Validate and prepare directories
+  validateGameDirectory(gameLatest, stagingDir);
+  
+  console.log(`[Butler] Game directory validated: ${gameLatest}`);
+  console.log(`[Butler] Staging directory validated: ${stagingDir}`);
 
   if (progressCallback) {
     progressCallback('Installing game patch...', null, null, null, null);
@@ -75,6 +194,8 @@ async function applyPWR(pwrFile, progressCallback, gameDir = GAME_DIR, toolsDir
     gameLatest
   ];
 
+  console.log(`[Butler] Executing command: ${butlerPath} ${args.join(' ')}`);
+
   try {
     await new Promise((resolve, reject) => {
       const child = execFile(butlerPath, args, {
@@ -82,16 +203,97 @@ async function applyPWR(pwrFile, progressCallback, gameDir = GAME_DIR, toolsDir
         timeout: 600000
       }, (error, stdout, stderr) => {
         if (error) {
-          console.error('Butler stderr:', stderr);
-          console.error('Butler stdout:', stdout);
-          reject(new Error(`Patch installation failed: ${error.message}${stderr ? '\n' + stderr : ''}`));
+          console.error('[Butler] stderr:', stderr);
+          console.error('[Butler] stdout:', stdout);
+          console.error('[Butler] error code:', error.code);
+          console.error('[Butler] error signal:', error.signal);
+          
+          // Enhanced error pattern detection
+          const errorPatterns = {
+            'unexpected EOF': {
+              message: 'Corrupted PWR file detected and deleted. Please try launching the game again.',
+              shouldDeletePWR: true
+            },
+            'permission denied': {
+              message: 'Permission denied. Check file permissions and try again.',
+              shouldDeletePWR: false
+            },
+            'no space left': {
+              message: 'Insufficient disk space. Free up space and try again.',
+              shouldDeletePWR: false
+            },
+            'device full': {
+              message: 'Insufficient disk space. Free up space and try again.',
+              shouldDeletePWR: false
+            },
+            'already exists': {
+              message: 'Installation directory conflict. Clean directories and retry.',
+              shouldDeletePWR: false
+            },
+            'network error': {
+              message: 'Network error during patch installation. Please retry.',
+              shouldDeletePWR: false
+            },
+            'connection refused': {
+              message: 'Connection refused. Check network and retry.',
+              shouldDeletePWR: false
+            }
+          };
+          
+          let enhancedMessage = `Patch installation failed: ${error.message}${stderr ? '\n' + stderr : ''}`;
+          let shouldDeletePWR = false;
+          
+          // Check error patterns
+          const errorText = (stderr + ' ' + error.message).toLowerCase();
+          for (const [pattern, config] of Object.entries(errorPatterns)) {
+            if (errorText.includes(pattern)) {
+              enhancedMessage = config.message;
+              shouldDeletePWR = config.shouldDeletePWR;
+              console.log(`[Butler] Pattern matched: ${pattern}`);
+              break;
+            }
+          }
+          
+          // Delete corrupted PWR file if needed
+          if (shouldDeletePWR) {
+            try {
+              if (fs.existsSync(pwrFile)) {
+                fs.unlinkSync(pwrFile);
+                console.log('[Butler] Corrupted PWR file deleted:', pwrFile);
+              }
+            } catch (delErr) {
+              console.error('[Butler] Failed to delete corrupted PWR file:', delErr);
+            }
+          }
+          
+          // Enhanced error with retry context
+          const enhancedError = new Error(enhancedMessage);
+          enhancedError.canRetry = true;
+          enhancedError.branch = branch;
+          enhancedError.fileName = path.basename(pwrFile);
+          enhancedError.cacheDir = cacheDir;
+          enhancedError.butlerError = true;
+          enhancedError.errorCode = error.code;
+          enhancedError.stderr = stderr;
+          enhancedError.stdout = stdout;
+          
+          console.log('[Butler] Enhanced error created with retry context');
+          reject(enhancedError);
         } else {
+          console.log('[Butler] Patch installation completed successfully');
           resolve();
         }
       });
     });
   } catch (error) {
-    throw error;
+    console.error('[Butler] Exception during Butler execution:', error);
+    const enhancedError = new Error(`Butler execution failed: ${error.message}`);
+    enhancedError.canRetry = true;
+    enhancedError.branch = branch;
+    enhancedError.fileName = path.basename(pwrFile);
+    enhancedError.cacheDir = cacheDir;
+    enhancedError.butlerError = true;
+    throw enhancedError;
   }
 
   if (fs.existsSync(stagingDir)) {
@@ -104,13 +306,39 @@ async function applyPWR(pwrFile, progressCallback, gameDir = GAME_DIR, toolsDir
   console.log('Installation complete');
 }
 
-async function updateGameFiles(newVersion, progressCallback, gameDir = GAME_DIR, toolsDir = TOOLS_DIR, cacheDir = CACHE_DIR) {
+async function updateGameFiles(newVersion, progressCallback, gameDir = GAME_DIR, toolsDir = TOOLS_DIR, cacheDir = CACHE_DIR, branchOverride = null) {
   let tempUpdateDir;
+  let backupPath = null;
+  const branch = branchOverride || loadVersionBranch();
+  const installPath = path.dirname(path.dirname(path.dirname(path.dirname(gameDir))));
+  
+  // Vérifier si on a version_client et version_branch dans config.json
+  const config = loadConfig();
+  const hasVersionConfig = !!(config.version_client && config.version_branch);
+  const oldBranch = config.version_branch || 'release'; // L'ancienne branche pour le backup
+  console.log(`[UpdateGameFiles] hasVersionConfig: ${hasVersionConfig}`);
+  console.log(`[UpdateGameFiles] Switching from ${oldBranch} to ${branch}`);
+  
   try {
     if (progressCallback) {
-      progressCallback('Updating game files...', 0, null, null, null);
+      progressCallback('Backing up user data...', 5, null, null, null);
     }
-    console.log(`Updating game files to version: ${newVersion}`);
+
+    // Backup UserData AVANT de télécharger/installer (critical for same-branch updates)
+    try {
+      console.log(`[UpdateGameFiles] Attempting to backup UserData from old branch: ${oldBranch}`);
+      backupPath = await userDataBackup.backupUserData(installPath, oldBranch, hasVersionConfig);
+      if (backupPath) {
+        console.log(`[UpdateGameFiles] ✓ UserData backed up from ${oldBranch}: ${backupPath}`);
+      }
+    } catch (backupError) {
+      console.warn('[UpdateGameFiles] ✗ UserData backup failed:', backupError.message);
+    }
+
+    if (progressCallback) {
+      progressCallback('Updating game files...', 10, null, null, null);
+    }
+    console.log(`Updating game files to version: ${newVersion} (branch: ${branch})`);
 
     tempUpdateDir = path.join(gameDir, '..', 'temp_update');
 
@@ -120,48 +348,21 @@ async function updateGameFiles(newVersion, progressCallback, gameDir = GAME_DIR,
     fs.mkdirSync(tempUpdateDir, { recursive: true });
 
     if (progressCallback) {
-      progressCallback('Downloading new game version...', 10, null, null, null);
+      progressCallback('Downloading new game version...', 20, null, null, null);
     }
 
-    const pwrFile = await downloadPWR('release', newVersion, progressCallback, cacheDir);
+    const pwrFile = await downloadPWR(branch, newVersion, progressCallback, cacheDir);
 
     if (progressCallback) {
-      progressCallback('Extracting new files...', 50, null, null, null);
+      progressCallback('Extracting new files...', 60, null, null, null);
     }
 
-    await applyPWR(pwrFile, progressCallback, tempUpdateDir, toolsDir);
+    await applyPWR(pwrFile, progressCallback, tempUpdateDir, toolsDir, branch, cacheDir);
 
     if (progressCallback) {
       progressCallback('Replacing game files...', 80, null, null, null);
     }
 
-    let userDataBackup = null;
-    const userDataPath = findUserDataRecursive(gameDir);
-
-    if (userDataPath && fs.existsSync(userDataPath)) {
-      userDataBackup = path.join(gameDir, '..', 'UserData_backup_' + Date.now());
-      console.log(`Backing up UserData from ${userDataPath} to: ${userDataBackup}`);
-
-      function copyRecursive(src, dest) {
-        const stat = fs.statSync(src);
-        if (stat.isDirectory()) {
-          if (!fs.existsSync(dest)) {
-            fs.mkdirSync(dest, { recursive: true });
-          }
-          const files = fs.readdirSync(src);
-          for (const file of files) {
-            copyRecursive(path.join(src, file), path.join(dest, file));
-          }
-        } else {
-          fs.copyFileSync(src, dest);
-        }
-      }
-
-      copyRecursive(userDataPath, userDataBackup);
-    } else {
-      console.log('No UserData folder found in game directory');
-    }
-
     if (fs.existsSync(gameDir)) {
       console.log('Removing old game files...');
       fs.rmSync(gameDir, { recursive: true, force: true });
@@ -175,44 +376,38 @@ async function updateGameFiles(newVersion, progressCallback, gameDir = GAME_DIR,
     const logoResult = await downloadAndReplaceLogo(gameDir, progressCallback);
     console.log('Logo@2x.png update result after update:', logoResult);
 
-    if (userDataBackup && fs.existsSync(userDataBackup)) {
-      const newUserDataPath = findUserDataPath(gameDir);
-      const userDataParent = path.dirname(newUserDataPath);
+    // Ensure UserData directory exists
+    const userDataDir = path.join(gameDir, 'Client', 'UserData');
+    if (!fs.existsSync(userDataDir)) {
+      console.log(`[UpdateGameFiles] Creating UserData directory at: ${userDataDir}`);
+      fs.mkdirSync(userDataDir, { recursive: true });
+    }
 
-      if (!fs.existsSync(userDataParent)) {
-        fs.mkdirSync(userDataParent, { recursive: true });
+    if (progressCallback) {
+      progressCallback('Restoring user data...', 90, null, null, null);
+    }
+
+    // Restore UserData using new system
+    if (backupPath) {
+      try {
+        console.log(`[UpdateGameFiles] Restoring UserData from ${oldBranch} to ${branch}`);
+        console.log(`[UpdateGameFiles] Source backup: ${backupPath}`);
+        await userDataBackup.restoreUserData(backupPath, installPath, branch);
+        await userDataBackup.cleanupBackup(backupPath);
+        console.log(`[UpdateGameFiles] ✓ UserData migrated successfully from ${oldBranch} to ${branch}`);
+      } catch (restoreError) {
+        console.warn('[UpdateGameFiles] ✗ UserData restore failed:', restoreError.message);
       }
-
-      console.log(`Restoring UserData to: ${newUserDataPath}`);
-
-      function copyRecursive(src, dest) {
-        const stat = fs.statSync(src);
-        if (stat.isDirectory()) {
-          if (!fs.existsSync(dest)) {
-            fs.mkdirSync(dest, { recursive: true });
-          }
-          const files = fs.readdirSync(src);
-          for (const file of files) {
-            copyRecursive(path.join(src, file), path.join(dest, file));
-          }
-        } else {
-          fs.copyFileSync(src, dest);
-        }
-      }
-
-      copyRecursive(userDataBackup, newUserDataPath);
+    } else {
+      console.log('[UpdateGameFiles] No backup to restore, empty UserData folder created');
     }
 
     console.log(`Game files updated successfully to version: ${newVersion}`);
-
-    if (userDataBackup && fs.existsSync(userDataBackup)) {
-      try {
-        fs.rmSync(userDataBackup, { recursive: true, force: true });
-        console.log('UserData backup cleaned up');
-      } catch (cleanupError) {
-        console.warn('Could not clean up UserData backup:', cleanupError.message);
-      }
-    }
+    
+    // Save the updated version and branch to config
+    saveVersionClient(newVersion);
+    const { saveVersionBranch } = require('../core/config');
+    saveVersionBranch(branch);
 
     console.log('Waiting for file system sync...');
     await new Promise(resolve => setTimeout(resolve, 2000));
@@ -225,9 +420,9 @@ async function updateGameFiles(newVersion, progressCallback, gameDir = GAME_DIR,
   } catch (error) {
     console.error('Error updating game files:', error);
 
-    if (userDataBackup && fs.existsSync(userDataBackup)) {
+    if (backupPath) {
       try {
-        fs.rmSync(userDataBackup, { recursive: true, force: true });
+        await userDataBackup.cleanupBackup(backupPath);
         console.log('UserData backup cleaned up after error');
       } catch (cleanupError) {
         console.warn('Could not clean up UserData backup:', cleanupError.message);
@@ -242,21 +437,49 @@ async function updateGameFiles(newVersion, progressCallback, gameDir = GAME_DIR,
   }
 }
 
-function isGameInstalled() {
+function isGameInstalled(branchOverride = null) {
+  const branch = branchOverride || loadVersionBranch();
   const appDir = getResolvedAppDir();
-  const gameDir = path.join(appDir, 'release', 'package', 'game', 'latest');
+  const gameDir = path.join(appDir, branch, 'package', 'game', 'latest');
   const clientPath = findClientPath(gameDir);
   return clientPath !== null;
 }
 
-async function installGame(playerName = 'Player', progressCallback, javaPathOverride, installPathOverride) {
+async function installGame(playerName = 'Player', progressCallback, javaPathOverride, installPathOverride, branchOverride = null) {
+  console.log(`[InstallGame] branchOverride parameter received: ${branchOverride}`);
+  const loadedBranch = loadVersionBranch();
+  console.log(`[InstallGame] loadVersionBranch() returned: ${loadedBranch}`);
+  const branch = branchOverride || loadedBranch;
+  console.log(`[InstallGame] Final branch selected: ${branch}`);
   const customAppDir = getResolvedAppDir(installPathOverride);
   const customCacheDir = path.join(customAppDir, 'cache');
   const customToolsDir = path.join(customAppDir, 'butler');
-  const customGameDir = path.join(customAppDir, 'release', 'package', 'game', 'latest');
-  const customJreDir = path.join(customAppDir, 'release', 'package', 'jre', 'latest');
+  const customGameDir = path.join(customAppDir, branch, 'package', 'game', 'latest');
+  const customJreDir = path.join(customAppDir, branch, 'package', 'jre', 'latest');
   const userDataDir = path.join(customGameDir, 'Client', 'UserData');
 
+  // Vérifier si on a version_client et version_branch dans config.json
+  const config = loadConfig();
+  const hasVersionConfig = !!(config.version_client && config.version_branch);
+  console.log(`[InstallGame] Configuration detected - version_client: ${config.version_client}, version_branch: ${config.version_branch}`);
+  console.log(`[InstallGame] hasVersionConfig: ${hasVersionConfig}`);
+
+  // Backup UserData AVANT l'installation si nécessaire
+  let backupPath = null;
+  if (progressCallback) {
+    progressCallback('Checking for existing UserData...', 5, null, null, null);
+  }
+
+  try {
+    console.log(`[InstallGame] Attempting UserData backup (hasVersionConfig: ${hasVersionConfig})...`);
+    backupPath = await userDataBackup.backupUserData(customAppDir, branch, hasVersionConfig);
+    if (backupPath) {
+      console.log(`[InstallGame] ✓ UserData backed up to: ${backupPath}`);
+    }
+  } catch (backupError) {
+    console.warn('[InstallGame] ✗ UserData backup failed:', backupError.message);
+  }
+
   [customAppDir, customCacheDir, customToolsDir].forEach(dir => {
     if (!fs.existsSync(dir)) {
       fs.mkdirSync(dir, { recursive: true });
@@ -297,9 +520,17 @@ async function installGame(playerName = 'Player', progressCallback, javaPathOver
     try {
       await downloadJRE(progressCallback, customCacheDir, customJreDir);
     } catch (error) {
+      // Don't immediately fall back to system Java for JRE download errors - let user retry
+      if (error.isJREError) {
+        console.error('[Install] JRE download failed, allowing user retry:', error.message);
+        throw error; // Re-throw JRE errors to trigger retry UI
+      }
+      
+      // For non-download JRE errors, fall back to system Java
       const fallback = await detectSystemJava();
       if (fallback) {
         javaBin = fallback;
+        console.log('[Install] Using system Java as fallback');
       } else {
         throw error;
       }
@@ -313,11 +544,36 @@ async function installGame(playerName = 'Player', progressCallback, javaPathOver
   if (progressCallback) {
     progressCallback('Fetching game files...', null, null, null, null);
   }
-  console.log('Installing game files...');
+  console.log(`Installing game files for branch: ${branch}...`);
 
-  const latestVersion = await getLatestClientVersion();
-  const pwrFile = await downloadPWR('release', latestVersion, progressCallback, customCacheDir);
-  await applyPWR(pwrFile, progressCallback, customGameDir, customToolsDir);
+  const latestVersion = await getLatestClientVersion(branch);
+  let pwrFile;
+  try {
+    pwrFile = await downloadPWR(branch, latestVersion, progressCallback, customCacheDir);
+    
+    // If downloadPWR returns false, it means the file doesn't exist or is invalid
+    // We should retry the download with a manual retry flag
+    if (!pwrFile) {
+      console.log('[Install] PWR file not found or invalid, attempting retry...');
+      pwrFile = await retryPWRDownload(branch, latestVersion, progressCallback, customCacheDir);
+    }
+    
+    // Double-check we have a valid file path
+    if (!pwrFile || typeof pwrFile !== 'string') {
+      throw new Error(`PWR file download failed: received invalid path ${pwrFile}. Please retry download.`);
+    }
+    
+  } catch (downloadError) {
+    console.error('[Install] PWR download failed:', downloadError.message);
+    throw downloadError; // Re-throw to be handled by the main installGame error handler
+  }
+  
+  await applyPWR(pwrFile, progressCallback, customGameDir, customToolsDir, branch, customCacheDir);
+
+  // Save the installed version and branch to config
+  saveVersionClient(latestVersion);
+  const { saveVersionBranch } = require('../core/config');
+  saveVersionBranch(branch);
 
   const homeUIResult = await downloadAndReplaceHomePageUI(customGameDir, progressCallback);
   console.log('HomePage.ui update result after installation:', homeUIResult);
@@ -325,6 +581,30 @@ async function installGame(playerName = 'Player', progressCallback, javaPathOver
   const logoResult = await downloadAndReplaceLogo(customGameDir, progressCallback);
   console.log('Logo@2x.png update result after installation:', logoResult);
 
+  // Ensure UserData directory exists
+  if (!fs.existsSync(userDataDir)) {
+    console.log(`[InstallGame] Creating UserData directory at: ${userDataDir}`);
+    fs.mkdirSync(userDataDir, { recursive: true });
+  }
+
+  // Restore UserData from backup if exists
+  if (backupPath) {
+    if (progressCallback) {
+      progressCallback('Restoring UserData...', 95, null, null, null);
+    }
+
+    try {
+      console.log(`[InstallGame] Restoring UserData from: ${backupPath}`);
+      await userDataBackup.restoreUserData(backupPath, customAppDir, branch);
+      await userDataBackup.cleanupBackup(backupPath);
+      console.log('[InstallGame] ✓ UserData restored successfully');
+    } catch (restoreError) {
+      console.warn('[InstallGame] ✗ UserData restore failed:', restoreError.message);
+    }
+  } else {
+    console.log('[InstallGame] No backup to restore, empty UserData folder created');
+  }
+
   if (progressCallback) {
     progressCallback('Installation complete', 100, null, null, null);
   }
@@ -357,8 +637,9 @@ async function uninstallGame() {
   }
 }
 
-function checkExistingGameInstallation() {
+function checkExistingGameInstallation(branchOverride = null) {
   try {
+    const branch = branchOverride || loadVersionBranch();
     const config = loadConfig();
 
     if (!config.installPath || !config.installPath.trim()) {
@@ -366,7 +647,7 @@ function checkExistingGameInstallation() {
     }
 
     const installPath = config.installPath.trim();
-    const gameDir = path.join(installPath, 'HytaleF2P', 'release', 'package', 'game', 'latest');
+    const gameDir = path.join(installPath, 'HytaleF2P', branch, 'package', 'game', 'latest');
 
     if (!fs.existsSync(gameDir)) {
       return null;
@@ -384,7 +665,8 @@ function checkExistingGameInstallation() {
       clientPath: clientPath,
       userDataPath: userDataPath,
       installPath: installPath,
-      hasUserData: userDataPath && fs.existsSync(userDataPath)
+      hasUserData: userDataPath && fs.existsSync(userDataPath),
+      branch: branch
     };
   } catch (error) {
     console.error('Error checking existing game installation:', error);
@@ -392,40 +674,32 @@ function checkExistingGameInstallation() {
   }
 }
 
-async function repairGame(progressCallback) {
+async function repairGame(progressCallback, branchOverride = null) {
+  const branch = branchOverride || loadVersionBranch();
   const appDir = getResolvedAppDir();
-  const gameDir = path.join(appDir, 'release', 'package', 'game', 'latest');
+  const gameDir = path.join(appDir, branch, 'package', 'game', 'latest');
+  const installPath = appDir;
+  let backupPath = null;
+
+  // Vérifier si on a version_client et version_branch dans config.json
+  const config = loadConfig();
+  const hasVersionConfig = !!(config.version_client && config.version_branch);
+  console.log(`[RepairGame] hasVersionConfig: ${hasVersionConfig}`);
 
   // Check if game exists
   if (!fs.existsSync(gameDir)) {
     throw new Error('Game directory not found. Cannot repair.');
   }
 
-  // Locate UserData
-  const userDataPath = findUserDataRecursive(gameDir);
-  let userDataBackup = null;
-
   if (progressCallback) {
     progressCallback('Backing up user data...', 10, null, null, null);
   }
 
-  // Backup UserData
-  if (userDataPath && fs.existsSync(userDataPath)) {
-    userDataBackup = path.join(appDir, 'UserData_backup_repair_' + Date.now());
-    console.log(`Backing up UserData during repair from ${userDataPath} to ${userDataBackup}`);
-
-    // Copy function
-    function copyRecursive(src, dest) {
-      const stat = fs.statSync(src);
-      if (stat.isDirectory()) {
-        if (!fs.existsSync(dest)) fs.mkdirSync(dest, { recursive: true });
-        fs.readdirSync(src).forEach(child => copyRecursive(path.join(src, child), path.join(dest, child)));
-      } else {
-        fs.copyFileSync(src, dest);
-      }
-    }
-
-    copyRecursive(userDataPath, userDataBackup);
+  // Backup UserData using new system
+  try {
+    backupPath = await userDataBackup.backupUserData(installPath, branch, hasVersionConfig);
+  } catch (backupError) {
+    console.warn('UserData backup failed during repair:', backupError.message);
   }
 
   if (progressCallback) {
@@ -446,39 +720,21 @@ async function repairGame(progressCallback) {
 
   // Passing null/undefined for overrides to use defaults/saved configs
   // installGame calls progressCallback internally
-  await installGame('Player', progressCallback);
+  await installGame('Player', progressCallback, null, null, branch);
 
-  // Restore UserData
-  if (userDataBackup && fs.existsSync(userDataBackup)) {
+  // Restore UserData using new system
+  if (backupPath) {
     if (progressCallback) {
       progressCallback('Restoring user data...', 90, null, null, null);
     }
 
-    // installGame creates: path.join(customGameDir, 'Client', 'UserData')
-    const newGameDir = path.join(appDir, 'release', 'package', 'game', 'latest');
-    const newUserDataPath = path.join(newGameDir, 'Client', 'UserData');
-
-    if (!fs.existsSync(newUserDataPath)) {
-      fs.mkdirSync(newUserDataPath, { recursive: true });
+    try {
+      await userDataBackup.restoreUserData(backupPath, installPath, branch);
+      await userDataBackup.cleanupBackup(backupPath);
+      console.log('UserData restored successfully after repair');
+    } catch (restoreError) {
+      console.warn('UserData restore failed after repair:', restoreError.message);
     }
-
-    console.log(`Restoring UserData to ${newUserDataPath}`);
-
-    function copyRecursive(src, dest) {
-      const stat = fs.statSync(src);
-      if (stat.isDirectory()) {
-        if (!fs.existsSync(dest)) fs.mkdirSync(dest, { recursive: true });
-        fs.readdirSync(src).forEach(child => copyRecursive(path.join(src, child), path.join(dest, child)));
-      } else {
-        fs.copyFileSync(src, dest);
-      }
-    }
-
-    copyRecursive(userDataBackup, newUserDataPath);
-
-    // Cleanup Backup
-    console.log('Cleaning up repair backup...');
-    fs.rmSync(userDataBackup, { recursive: true, force: true });
   }
 
   if (progressCallback) {
@@ -488,8 +744,79 @@ async function repairGame(progressCallback) {
   return { success: true, repaired: true };
 }
 
+// Directory validation and cleanup function
+function validateGameDirectory(gameDir, stagingDir) {
+  try {
+    // Ensure game directory exists and is writable
+    if (!fs.existsSync(gameDir)) {
+      fs.mkdirSync(gameDir, { recursive: true });
+      console.log(`[Butler] Created game directory: ${gameDir}`);
+    }
+    
+    // Test write permissions
+    const testFile = path.join(gameDir, '.permission_test');
+    fs.writeFileSync(testFile, 'test');
+    fs.unlinkSync(testFile);
+    console.log(`[Butler] Game directory is writable: ${gameDir}`);
+    
+    // Clean and ensure staging directory
+    if (fs.existsSync(stagingDir)) {
+      console.log(`[Butler] Cleaning existing staging directory: ${stagingDir}`);
+      fs.rmSync(stagingDir, { recursive: true, force: true });
+    }
+    fs.mkdirSync(stagingDir, { recursive: true });
+    console.log(`[Butler] Created clean staging directory: ${stagingDir}`);
+    
+    // Check disk space (basic check)
+    const freeSpace = fs.statSync(gameDir);
+    console.log(`[Butler] Directory validation completed successfully`);
+    
+  } catch (error) {
+    throw new Error(`Directory validation failed: ${error.message}. Please check permissions and disk space.`);
+  }
+}
+
+// Enhanced PWR file validation
+function validatePWRFile(filePath) {
+  try {
+    if (!fs.existsSync(filePath)) {
+      return false;
+    }
+    
+    const stats = fs.statSync(filePath);
+    const sizeInMB = stats.size / 1024 / 1024;
+    
+    if (stats.size < 1024 * 1024) {
+      return false;
+    }
+    
+    // Check if file is under 1.5 GB (incomplete download)
+    if (sizeInMB < 1500) {
+      console.log(`[PWR Validation] File appears incomplete: ${sizeInMB.toFixed(2)} MB < 1.5 GB`);
+      return false;
+    }
+    
+    // Basic file header validation (PWR files should have specific headers)
+    const buffer = fs.readFileSync(filePath, { start: 0, end: 20 });
+    if (buffer.length < 10) {
+      return false;
+    }
+    
+    // Check for common PWR magic bytes or patterns
+    // This is a basic check - could be enhanced with actual PWR format specification
+    const header = buffer.toString('hex', 0, 10);
+    console.log(`[PWR Validation] File header: ${header}`);
+    
+    return true;
+  } catch (error) {
+    console.error(`[PWR Validation] Error:`, error.message);
+    return false;
+  }
+}
+
 module.exports = {
   downloadPWR,
+  retryPWRDownload,
   applyPWR,
   updateGameFiles,
   isGameInstalled,

backend/managers/javaManager.js

@@ -9,7 +9,7 @@ const tar = require('tar');
 const { expandHome, JRE_DIR } = require('../core/paths');
 const { getOS, getArch } = require('../utils/platformUtils');
 const { loadConfig } = require('../core/config');
-const { downloadFile } = require('../utils/fileManager');
+const { downloadFile, retryDownload } = require('../utils/fileManager');
 
 const execFileAsync = promisify(execFile);
 const JAVA_EXECUTABLE = 'java' + (process.platform === 'win32' ? '.exe' : '');
@@ -188,6 +188,20 @@ async function getJavaDetection() {
   };
 }
 
+// Manual retry function for JRE downloads
+async function retryJREDownload(url, cacheFile, progressCallback) {
+  console.log('Initiating manual JRE retry...');
+  
+  // Ensure cache directory exists before retrying
+  const cacheDir = path.dirname(cacheFile);
+  if (!fs.existsSync(cacheDir)) {
+    console.log('Creating JRE cache directory:', cacheDir);
+    fs.mkdirSync(cacheDir, { recursive: true });
+  }
+  
+  return await retryDownload(url, cacheFile, progressCallback);
+}
+
 async function downloadJRE(progressCallback, cacheDir, jreDir = JRE_DIR) {
   if (!fs.existsSync(cacheDir)) {
     fs.mkdirSync(cacheDir, { recursive: true });
@@ -230,7 +244,40 @@ async function downloadJRE(progressCallback, cacheDir, jreDir = JRE_DIR) {
       progressCallback('Fetching Java runtime...', null, null, null, null);
     }
     console.log('Fetching Java runtime...');
-    await downloadFile(platform.url, cacheFile, progressCallback);
+    let jreFile;
+    try {
+      jreFile = await downloadFile(platform.url, cacheFile, progressCallback);
+      
+      // If downloadFile returns false or undefined, it means the download failed
+      // We should retry the download with a manual retry
+      if (!jreFile || typeof jreFile !== 'string') {
+        console.log('[JRE Download] JRE file download failed or incomplete, attempting retry...');
+        jreFile = await retryJREDownload(platform.url, cacheFile, progressCallback);
+      }
+      
+      // Double-check we have a valid file
+      if (!jreFile || typeof jreFile !== 'string') {
+        throw new Error(`JRE download failed: received invalid path ${jreFile}. Please retry download.`);
+      }
+      
+    } catch (downloadError) {
+      console.error('[JRE Download] JRE download failed:', downloadError.message);
+      
+      // Enhance error with retry information for the UI
+      const enhancedError = new Error(`JRE download failed: ${downloadError.message}`);
+      enhancedError.originalError = downloadError;
+      enhancedError.canRetry = downloadError.isConnectionLost ? false : (downloadError.canRetry !== false);
+      enhancedError.jreUrl = platform.url;
+      enhancedError.jreDest = cacheFile;
+      enhancedError.osName = osName;
+      enhancedError.arch = arch;
+      enhancedError.fileName = fileName;
+      enhancedError.cacheDir = cacheDir;
+      enhancedError.isJREError = true; // Flag to identify JRE errors
+      enhancedError.isConnectionLost = downloadError.isConnectionLost || false;
+      
+      throw enhancedError;
+    }
     console.log('Download finished');
   }
 
@@ -359,5 +406,6 @@ module.exports = {
   getJavaDetection,
   downloadJRE,
   extractJRE,
+  retryJREDownload,
   JAVA_EXECUTABLE
 };

backend/managers/modManager.js

@@ -6,7 +6,7 @@ const { getModsPath, getProfilesDir } = require('../core/paths');
 const { saveModsToConfig, loadModsFromConfig } = require('../core/config');
 const profileManager = require('./profileManager');
 
-const API_KEY = process.env.CURSEFORGE_API_KEY;
+const API_KEY = "$2a$10$bqk254NMZOWVTzLVJCcxEOmhcyUujKxA5xk.kQCN9q0KNYFJd5b32";
 
 /**
  * Get the physical mods path for a specific profile.

backend/services/firstLaunch.js

@@ -1,6 +1,6 @@
 const path = require('path');
 const fs = require('fs');
-const { markAsLaunched, loadConfig } = require('../core/config');
+const { markAsLaunched, loadConfig, saveVersionBranch, saveVersionClient, loadVersionBranch, loadVersionClient } = require('../core/config');
 const { checkExistingGameInstallation, updateGameFiles } = require('../managers/gameManager');
 const { getInstalledClientVersion, getLatestClientVersion } = require('./versionManager');
 
@@ -56,6 +56,14 @@ async function handleFirstLaunchCheck(progressCallback) {
   try {
     const config = loadConfig();
     
+    // Initialize version_client if not set (but don't force version_branch)
+    const currentVersion = loadVersionClient();
+    
+    if (currentVersion === undefined || currentVersion === null) {
+      console.log('Initializing version_client to null (will trigger installation)');
+      saveVersionClient(null);
+    }
+    
     if (config.hasLaunchedBefore === true) {
       return { isFirstLaunch: false, needsUpdate: false };
     }

backend/services/versionManager.js

@@ -1,9 +1,10 @@
 const axios = require('axios');
 
-async function getLatestClientVersion() {
+async function getLatestClientVersion(branch = 'release') {
   try {
-    console.log('Fetching latest client version from API...');
+    console.log(`Fetching latest client version from API (branch: ${branch})...`);
     const response = await axios.get('https://files.hytalef2p.com/api/version_client', {
+      params: { branch },
       timeout: 5000,
       headers: {
         'User-Agent': 'Hytale-F2P-Launcher'
@@ -12,7 +13,7 @@ async function getLatestClientVersion() {
 
     if (response.data && response.data.client_version) {
       const version = response.data.client_version;
-      console.log(`Latest client version: ${version}`);
+      console.log(`Latest client version for ${branch}: ${version}`);
       return version;
     } else {
       console.log('Warning: Invalid API response, falling back to default version');
@@ -25,32 +26,6 @@ async function getLatestClientVersion() {
   }
 }
 
-async function getInstalledClientVersion() {
-  try {
-    console.log('Fetching installed client version from API...');
-    const response = await axios.get('https://files.hytalef2p.com/api/clientCheck', {
-      timeout: 5000,
-      headers: {
-        'User-Agent': 'Hytale-F2P-Launcher'
-      }
-    });
-
-    if (response.data && response.data.client_version) {
-      const version = response.data.client_version;
-      console.log(`Installed client version: ${version}`);
-      return version;
-    } else {
-      console.log('Warning: Invalid clientCheck API response');
-      return null;
-    }
-  } catch (error) {
-    console.error('Error fetching installed client version:', error.message);
-    console.log('Warning: clientCheck API unavailable');
-    return null;
-  }
-}
-
 module.exports = {
-  getLatestClientVersion,
-  getInstalledClientVersion
+  getLatestClientVersion
 };

backend/updateManager.js

@@ -1,73 +0,0 @@
-const axios = require('axios');
-
-const UPDATE_CHECK_URL = 'https://files.hytalef2p.com/api/version_launcher';
-const CURRENT_VERSION = '2.0.2';
-const GITHUB_DOWNLOAD_URL = 'https://github.com/amiayweb/Hytale-F2P/';
-
-class UpdateManager {
-    constructor() {
-        this.updateAvailable = false;
-        this.remoteVersion = null;
-    }
-
-    async checkForUpdates() {
-        try {
-            console.log('Checking for updates...');
-            console.log(`Local version: ${CURRENT_VERSION}`);
-            
-            const response = await axios.get(UPDATE_CHECK_URL, {
-                timeout: 5000,
-                headers: {
-                    'User-Agent': 'Hytale-F2P-Launcher'
-                }
-            });
-
-            if (response.data && response.data.launcher_version) {
-                this.remoteVersion = response.data.launcher_version;
-                console.log(`Remote version: ${this.remoteVersion}`);
-                
-                if (this.remoteVersion !== CURRENT_VERSION) {
-                    this.updateAvailable = true;
-                    console.log('Update available!');
-                    return {
-                        updateAvailable: true,
-                        currentVersion: CURRENT_VERSION,
-                        newVersion: this.remoteVersion,
-                        downloadUrl: GITHUB_DOWNLOAD_URL
-                    };
-                } else {
-                    console.log('Launcher is up to date');
-                    return {
-                        updateAvailable: false,
-                        currentVersion: CURRENT_VERSION,
-                        newVersion: this.remoteVersion
-                    };
-                }
-            } else {
-                throw new Error('Invalid API response');
-            }
-        } catch (error) {
-            console.error('Error checking for updates:', error.message);
-            return {
-                updateAvailable: false,
-                error: error.message,
-                currentVersion: CURRENT_VERSION
-            };
-        }
-    }
-
-    getDownloadUrl() {
-        return GITHUB_DOWNLOAD_URL;
-    }
-
-    getUpdateInfo() {
-        return {
-            updateAvailable: this.updateAvailable,
-            currentVersion: CURRENT_VERSION,
-            remoteVersion: this.remoteVersion,
-            downloadUrl: this.getDownloadUrl()
-        };
-    }
-}
-
-module.exports = UpdateManager;

backend/utils/clientPatcher.js

@@ -2,9 +2,14 @@ const fs = require('fs');
 const path = require('path');
 const crypto = require('crypto');
 const AdmZip = require('adm-zip');
+const { execSync, spawn } = require('child_process');
+const { getJavaExec, getBundledJavaPath } = require('../managers/javaManager');
+const { JRE_DIR } = require('../core/paths');
 
 // Domain configuration
 const ORIGINAL_DOMAIN = 'hytale.com';
+const MIN_DOMAIN_LENGTH = 4;
+const MAX_DOMAIN_LENGTH = 16;
 
 function getTargetDomain() {
   if (process.env.HYTALE_AUTH_DOMAIN) {
@@ -14,15 +19,22 @@ function getTargetDomain() {
     const { getAuthDomain } = require('../core/config');
     return getAuthDomain();
   } catch (e) {
-    return 'sanasol.ws';
+    return 'auth.sanasol.ws';
   }
 }
 
-const DEFAULT_NEW_DOMAIN = 'sanasol.ws';
+const DEFAULT_NEW_DOMAIN = 'auth.sanasol.ws';
 
 /**
  * Patches HytaleClient and HytaleServer binaries to replace hytale.com with custom domain
  * This allows the game to connect to a custom authentication server
+ *
+ * Supports domains from 4 to 16 characters:
+ * - All F2P traffic routes to single endpoint: https://{domain} (no subdomains)
+ * - Domains <= 10 chars: Direct replacement, subdomains stripped
+ * - Domains 11-16 chars: Split mode - first 6 chars replace subdomain prefix, rest replaces domain
+ *
+ * Official hytale.com keeps original subdomain behavior (sessions., account-data., etc.)
  */
 class ClientPatcher {
   constructor() {
@@ -34,14 +46,73 @@ class ClientPatcher {
    */
   getNewDomain() {
     const domain = getTargetDomain();
-    if (domain.length !== ORIGINAL_DOMAIN.length) {
-      console.warn(`Warning: Domain "${domain}" length (${domain.length}) doesn't match original "${ORIGINAL_DOMAIN}" (${ORIGINAL_DOMAIN.length})`);
+    if (domain.length < MIN_DOMAIN_LENGTH) {
+      console.warn(`Warning: Domain "${domain}" is too short (min ${MIN_DOMAIN_LENGTH} chars)`);
+      console.warn(`Using default domain: ${DEFAULT_NEW_DOMAIN}`);
+      return DEFAULT_NEW_DOMAIN;
+    }
+    if (domain.length > MAX_DOMAIN_LENGTH) {
+      console.warn(`Warning: Domain "${domain}" is too long (max ${MAX_DOMAIN_LENGTH} chars)`);
       console.warn(`Using default domain: ${DEFAULT_NEW_DOMAIN}`);
       return DEFAULT_NEW_DOMAIN;
     }
     return domain;
   }
 
+  /**
+   * Calculate the domain patching strategy based on length
+   * @returns {object} Strategy with mainDomain and subdomainPrefix
+   */
+  getDomainStrategy(domain) {
+    if (domain.length <= 10) {
+      // Direct replacement - subdomains will be stripped
+      return {
+        mode: 'direct',
+        mainDomain: domain,
+        subdomainPrefix: '', // Empty = subdomains stripped
+        description: `Direct replacement: hytale.com -> ${domain}`
+      };
+    } else {
+      // Split mode: first 6 chars become subdomain prefix, rest replaces hytale.com
+      const prefix = domain.slice(0, 6);
+      const suffix = domain.slice(6);
+      return {
+        mode: 'split',
+        mainDomain: suffix,
+        subdomainPrefix: prefix,
+        description: `Split mode: subdomain prefix="${prefix}", main domain="${suffix}"`
+      };
+    }
+  }
+
+  /**
+   * Convert a string to the length-prefixed byte format used by the client
+   * Format: [length byte] [00 00 00 padding] [char1] [00] [char2] [00] ... [lastChar]
+   * Note: No null byte after the last character
+   */
+  stringToLengthPrefixed(str) {
+    const length = str.length;
+    const result = Buffer.alloc(4 + length + (length - 1)); // length byte + padding + chars + separators
+
+    // Length byte
+    result[0] = length;
+    // Padding: 00 00 00
+    result[1] = 0x00;
+    result[2] = 0x00;
+    result[3] = 0x00;
+
+    // Characters with null separators (no separator after last char)
+    let pos = 4;
+    for (let i = 0; i < length; i++) {
+      result[pos++] = str.charCodeAt(i);
+      if (i < length - 1) {
+        result[pos++] = 0x00;
+      }
+    }
+
+    return result;
+  }
+
   /**
    * Convert a string to UTF-16LE bytes (how .NET stores strings)
    */
@@ -75,6 +146,30 @@ class ClientPatcher {
     return positions;
   }
 
+  /**
+   * Replace bytes in buffer - only overwrites the length of new bytes
+   * Prevents offset corruption by not expanding the replacement
+   */
+  replaceBytes(buffer, oldBytes, newBytes) {
+    let count = 0;
+    const result = Buffer.from(buffer);
+
+    if (newBytes.length > oldBytes.length) {
+      console.warn(`  Warning: New pattern (${newBytes.length}) longer than old (${oldBytes.length}), skipping`);
+      return { buffer: result, count: 0 };
+    }
+
+    const positions = this.findAllOccurrences(result, oldBytes);
+
+    for (const pos of positions) {
+      // Only overwrite the length of the new bytes
+      newBytes.copy(result, pos);
+      count++;
+    }
+
+    return { buffer: result, count };
+  }
+
   /**
    * UTF-8 domain replacement for Java JAR files.
    * Java stores strings in UTF-8 format in the constant pool.
@@ -109,8 +204,6 @@ class ClientPatcher {
 
     const oldUtf16NoLast = this.stringToUtf16LE(oldDomain.slice(0, -1));
     const newUtf16NoLast = this.stringToUtf16LE(newDomain.slice(0, -1));
-    const oldLastChar = this.stringToUtf16LE(oldDomain.slice(-1));
-    const newLastChar = this.stringToUtf16LE(newDomain.slice(-1));
 
     const oldLastCharByte = oldDomain.charCodeAt(oldDomain.length - 1);
     const newLastCharByte = newDomain.charCodeAt(newDomain.length - 1);
@@ -143,6 +236,67 @@ class ClientPatcher {
     return { buffer: result, count };
   }
 
+  /**
+   * Apply all domain patches using length-prefixed format
+   * This is the main patching method for variable-length domains
+   */
+  applyDomainPatches(data, domain, protocol = 'https://') {
+    let result = Buffer.from(data);
+    let totalCount = 0;
+    const strategy = this.getDomainStrategy(domain);
+
+    console.log(`  Patching strategy: ${strategy.description}`);
+
+    // 1. Patch telemetry/sentry URL
+    const oldSentry = 'https://ca900df42fcf57d4dd8401a86ddd7da2@sentry.hytale.com/2';
+    const newSentry = `${protocol}t@${domain}/2`;
+
+    console.log(`  Patching sentry: ${oldSentry.slice(0, 30)}... -> ${newSentry}`);
+    const sentryResult = this.replaceBytes(
+        result,
+        this.stringToLengthPrefixed(oldSentry),
+        this.stringToLengthPrefixed(newSentry)
+    );
+    result = sentryResult.buffer;
+    if (sentryResult.count > 0) {
+      console.log(`    Replaced ${sentryResult.count} sentry occurrence(s)`);
+      totalCount += sentryResult.count;
+    }
+
+    // 2. Patch main domain (hytale.com -> mainDomain)
+    console.log(`  Patching domain: ${ORIGINAL_DOMAIN} -> ${strategy.mainDomain}`);
+    const domainResult = this.replaceBytes(
+        result,
+        this.stringToLengthPrefixed(ORIGINAL_DOMAIN),
+        this.stringToLengthPrefixed(strategy.mainDomain)
+    );
+    result = domainResult.buffer;
+    if (domainResult.count > 0) {
+      console.log(`    Replaced ${domainResult.count} domain occurrence(s)`);
+      totalCount += domainResult.count;
+    }
+
+    // 3. Patch subdomain prefixes
+    const subdomains = ['https://tools.', 'https://sessions.', 'https://account-data.', 'https://telemetry.'];
+    const newSubdomainPrefix = protocol + strategy.subdomainPrefix;
+
+    for (const sub of subdomains) {
+      console.log(`  Patching subdomain: ${sub} -> ${newSubdomainPrefix}`);
+      const subResult = this.replaceBytes(
+          result,
+          this.stringToLengthPrefixed(sub),
+          this.stringToLengthPrefixed(newSubdomainPrefix)
+      );
+      result = subResult.buffer;
+      if (subResult.count > 0) {
+        console.log(`    Replaced ${subResult.count} occurrence(s)`);
+        totalCount += subResult.count;
+      }
+    }
+
+    return { buffer: result, count: totalCount };
+  }
+
   /**
    * Patch Discord invite URLs from .gg/hytale to .gg/MHkEjepMQ7
    */
@@ -153,6 +307,18 @@ class ClientPatcher {
     const oldUrl = '.gg/hytale';
     const newUrl = '.gg/MHkEjepMQ7';
 
+    // Try length-prefixed format first
+    const lpResult = this.replaceBytes(
+        result,
+        this.stringToLengthPrefixed(oldUrl),
+        this.stringToLengthPrefixed(newUrl)
+    );
+
+    if (lpResult.count > 0) {
+      return { buffer: lpResult.buffer, count: lpResult.count };
+    }
+
+    // Fallback to UTF-16LE
     const oldUtf16 = this.stringToUtf16LE(oldUrl);
     const newUtf16 = this.stringToUtf16LE(newUrl);
 
@@ -168,17 +334,31 @@ class ClientPatcher {
 
   /**
    * Check if the client binary has already been patched
+   * Also verifies the binary actually contains the patched domain
    */
   isPatchedAlready(clientPath) {
     const newDomain = this.getNewDomain();
     const patchFlagFile = clientPath + this.patchedFlag;
+
+    // First check flag file
     if (fs.existsSync(patchFlagFile)) {
       try {
         const flagData = JSON.parse(fs.readFileSync(patchFlagFile, 'utf8'));
         if (flagData.targetDomain === newDomain) {
-          return true;
+          // Verify the binary actually contains the patched domain
+          const data = fs.readFileSync(clientPath);
+          const strategy = this.getDomainStrategy(newDomain);
+          const domainPattern = this.stringToLengthPrefixed(strategy.mainDomain);
+
+          if (data.includes(domainPattern)) {
+            return true;
+          } else {
+            console.log('  Flag exists but binary not patched (was updated?), re-patching...');
+            return false;
+          }
         }
       } catch (e) {
+        // Flag file corrupt or unreadable
       }
     }
     return false;
@@ -189,12 +369,17 @@ class ClientPatcher {
    */
   markAsPatched(clientPath) {
     const newDomain = this.getNewDomain();
+    const strategy = this.getDomainStrategy(newDomain);
     const patchFlagFile = clientPath + this.patchedFlag;
     const flagData = {
       patchedAt: new Date().toISOString(),
       originalDomain: ORIGINAL_DOMAIN,
       targetDomain: newDomain,
-      patcherVersion: '1.0.0'
+      patchMode: strategy.mode,
+      mainDomain: strategy.mainDomain,
+      subdomainPrefix: strategy.subdomainPrefix,
+      patcherVersion: '2.0.0',
+      verified: 'binary_contents'
     };
     fs.writeFileSync(patchFlagFile, JSON.stringify(flagData, null, 2));
   }
@@ -209,6 +394,21 @@ class ClientPatcher {
       fs.copyFileSync(clientPath, backupPath);
       return backupPath;
     }
+
+    // Check if current file differs from backup (might have been updated)
+    const currentSize = fs.statSync(clientPath).size;
+    const backupSize = fs.statSync(backupPath).size;
+
+    if (currentSize !== backupSize) {
+      // File was updated, create timestamped backup of old backup
+      const timestamp = new Date().toISOString().replace(/[:.]/g, '-').slice(0, 19);
+      const oldBackupPath = `${clientPath}.original.${timestamp}`;
+      console.log(`  File updated, archiving old backup to ${path.basename(oldBackupPath)}`);
+      fs.renameSync(backupPath, oldBackupPath);
+      fs.copyFileSync(clientPath, backupPath);
+      return backupPath;
+    }
+
     console.log('  Backup already exists');
     return backupPath;
   }
@@ -239,9 +439,16 @@ class ClientPatcher {
    */
   async patchClient(clientPath, progressCallback) {
     const newDomain = this.getNewDomain();
-    console.log('=== Client Patcher ===');
+    const strategy = this.getDomainStrategy(newDomain);
+
+    console.log('=== Client Patcher v2.0 ===');
     console.log(`Target: ${clientPath}`);
-    console.log(`Replacing: ${ORIGINAL_DOMAIN} -> ${newDomain}`);
+    console.log(`Domain: ${newDomain} (${newDomain.length} chars)`);
+    console.log(`Mode: ${strategy.mode}`);
+    if (strategy.mode === 'split') {
+      console.log(`  Subdomain prefix: ${strategy.subdomainPrefix}`);
+      console.log(`  Main domain: ${strategy.mainDomain}`);
+    }
 
     if (!fs.existsSync(clientPath)) {
       const error = `Client binary not found: ${clientPath}`;
@@ -276,13 +483,24 @@ class ClientPatcher {
       progressCallback('Patching domain references...', 50);
     }
 
-    console.log('Patching domain references...');
-    const { buffer: patchedData, count } = this.findAndReplaceDomainSmart(data, ORIGINAL_DOMAIN, newDomain);
+    console.log('Applying domain patches (length-prefixed format)...');
+    const { buffer: patchedData, count } = this.applyDomainPatches(data, newDomain);
 
     console.log('Patching Discord URLs...');
     const { buffer: finalData, count: discordCount } = this.patchDiscordUrl(patchedData);
 
     if (count === 0 && discordCount === 0) {
+      console.log('No occurrences found - trying legacy UTF-16LE format...');
+
+      // Fallback to legacy patching for older binary formats
+      const legacyResult = this.findAndReplaceDomainSmart(data, ORIGINAL_DOMAIN, strategy.mainDomain);
+      if (legacyResult.count > 0) {
+        console.log(`Found ${legacyResult.count} occurrences with legacy format`);
+        fs.writeFileSync(clientPath, legacyResult.buffer);
+        this.markAsPatched(clientPath);
+        return { success: true, patchCount: legacyResult.count, format: 'legacy' };
+      }
+
       console.log('No occurrences found - binary may already be modified or has different format');
       return { success: true, patchCount: 0, warning: 'No occurrences found' };
     }
@@ -307,17 +525,18 @@ class ClientPatcher {
   }
 
   /**
-   * Patch the server JAR to use the custom domain
-   * JAR files are ZIP archives, so we need to extract, patch class files, and repackage
+   * Patch the server JAR by downloading pre-patched version
    * @param {string} serverPath - Path to the HytaleServer.jar
    * @param {function} progressCallback - Optional callback for progress updates
+   * @param {string} javaPath - Path to Java executable (unused, kept for compatibility)
    * @returns {object} Result object with success status and details
    */
-  async patchServer(serverPath, progressCallback) {
+  async patchServer(serverPath, progressCallback, javaPath = null) {
     const newDomain = this.getNewDomain();
-    console.log('=== Server Patcher ===');
+
+    console.log('=== Server Patcher TEMP SYSTEM NEED TO BE FIXED ===');
     console.log(`Target: ${serverPath}`);
-    console.log(`Replacing: ${ORIGINAL_DOMAIN} -> ${newDomain}`);
+    console.log(`Domain: ${newDomain}`);
 
     if (!fs.existsSync(serverPath)) {
       const error = `Server JAR not found: ${serverPath}`;
@@ -325,77 +544,397 @@ class ClientPatcher {
       return { success: false, error };
     }
 
-    if (this.isPatchedAlready(serverPath)) {
-      console.log(`Server already patched for ${newDomain}, skipping`);
-      if (progressCallback) {
-        progressCallback('Server already patched', 100);
+    // Check if already patched
+    const patchFlagFile = serverPath + '.dualauth_patched';
+    if (fs.existsSync(patchFlagFile)) {
+      try {
+        const flagData = JSON.parse(fs.readFileSync(patchFlagFile, 'utf8'));
+        if (flagData.domain === newDomain) {
+          console.log(`Server already patched for ${newDomain}, skipping`);
+          if (progressCallback) progressCallback('Server already patched', 100);
+          return { success: true, alreadyPatched: true };
+        }
+      } catch (e) {
+        // Flag file corrupt, re-patch
       }
-      return { success: true, alreadyPatched: true, patchCount: 0 };
-    }
-
-    if (progressCallback) {
-      progressCallback('Preparing to patch server...', 10);
     }
 
+    // Create backup
+    if (progressCallback) progressCallback('Creating backup...', 10);
     console.log('Creating backup...');
     this.backupClient(serverPath);
 
-    if (progressCallback) {
-      progressCallback('Extracting server JAR...', 20);
+    // Download pre-patched JAR
+    if (progressCallback) progressCallback('Downloading patched server JAR...', 30);
+    console.log('Downloading pre-patched HytaleServer.jar');
+
+    try {
+      const https = require('https');
+      const url = 'https://pub-027b315ece074e2e891002ca38384792.r2.dev/HytaleServer.jar';
+
+      await new Promise((resolve, reject) => {
+        https.get(url, (response) => {
+          if (response.statusCode === 302 || response.statusCode === 301) {
+            // Follow redirect
+            https.get(response.headers.location, (redirectResponse) => {
+              if (redirectResponse.statusCode !== 200) {
+                reject(new Error(`Failed to download: HTTP ${redirectResponse.statusCode}`));
+                return;
+              }
+
+              const file = fs.createWriteStream(serverPath);
+              const totalSize = parseInt(redirectResponse.headers['content-length'], 10);
+              let downloaded = 0;
+
+              redirectResponse.on('data', (chunk) => {
+                downloaded += chunk.length;
+                if (progressCallback && totalSize) {
+                  const percent = 30 + Math.floor((downloaded / totalSize) * 60);
+                  progressCallback(`Downloading... ${(downloaded / 1024 / 1024).toFixed(2)} MB`, percent);
+                }
+              });
+
+              redirectResponse.pipe(file);
+              file.on('finish', () => {
+                file.close();
+                resolve();
+              });
+            }).on('error', reject);
+          } else if (response.statusCode === 200) {
+            const file = fs.createWriteStream(serverPath);
+            const totalSize = parseInt(response.headers['content-length'], 10);
+            let downloaded = 0;
+
+            response.on('data', (chunk) => {
+              downloaded += chunk.length;
+              if (progressCallback && totalSize) {
+                const percent = 30 + Math.floor((downloaded / totalSize) * 60);
+                progressCallback(`Downloading... ${(downloaded / 1024 / 1024).toFixed(2)} MB`, percent);
+              }
+            });
+
+            response.pipe(file);
+            file.on('finish', () => {
+              file.close();
+              resolve();
+            });
+          } else {
+            reject(new Error(`Failed to download: HTTP ${response.statusCode}`));
+          }
+        }).on('error', (err) => {
+          fs.unlink(serverPath, () => {});
+          reject(err);
+        });
+      });
+
+      console.log('  Download successful');
+
+      // Mark as patched
+      fs.writeFileSync(patchFlagFile, JSON.stringify({
+        domain: newDomain,
+        patchedAt: new Date().toISOString(),
+        patcher: 'PrePatchedDownload',
+        source: 'https://pub-027b315ece074e2e891002ca38384792.r2.dev/HytaleServer.jar'
+      }));
+
+      if (progressCallback) progressCallback('Server patching complete', 100);
+      console.log('=== Server Patching Complete ===');
+      return { success: true, patchCount: 1 };
+
+    } catch (downloadError) {
+      console.error(`Failed to download patched JAR: ${downloadError.message}`);
+      
+      // Restore backup on failure
+      const backupPath = serverPath + '.original';
+      if (fs.existsSync(backupPath)) {
+        fs.copyFileSync(backupPath, serverPath);
+        console.log('Restored backup after download failure');
+      }
+
+      return { success: false, error: `Failed to download patched server: ${downloadError.message}` };
     }
+  }
+
+  /**
+   * Find Java executable - uses bundled JRE first (same as game uses)
+   * Falls back to system Java if bundled not available
+   */
+  findJava() {
+    // 1. Try bundled JRE first (comes with the game)
+    try {
+      const bundled = getBundledJavaPath(JRE_DIR);
+      if (bundled && fs.existsSync(bundled)) {
+        console.log(`Using bundled Java: ${bundled}`);
+        return bundled;
+      }
+    } catch (e) {
+      // Bundled not available
+    }
+
+    // 2. Try javaManager's getJavaExec (handles all fallbacks)
+    try {
+      const javaExec = getJavaExec(JRE_DIR);
+      if (javaExec && fs.existsSync(javaExec)) {
+        console.log(`Using Java from javaManager: ${javaExec}`);
+        return javaExec;
+      }
+    } catch (e) {
+      // Not available
+    }
+
+    // 3. Check JAVA_HOME
+    if (process.env.JAVA_HOME) {
+      const javaHome = process.env.JAVA_HOME;
+      const javaBin = path.join(javaHome, 'bin', process.platform === 'win32' ? 'java.exe' : 'java');
+      if (fs.existsSync(javaBin)) {
+        console.log(`Using Java from JAVA_HOME: ${javaBin}`);
+        return javaBin;
+      }
+    }
+
+    // 4. Try 'java' from PATH
+    try {
+      execSync('java -version 2>&1', { encoding: 'utf8' });
+      console.log('Using Java from PATH');
+      return 'java';
+    } catch (e) {
+      // Not in PATH
+    }
+
+    return null;
+  }
+
+  /**
+   * Download DualAuthPatcher from hytale-auth-server if not present
+   */
+  async ensurePatcherDownloaded(patcherDir) {
+    const patcherJava = path.join(patcherDir, 'DualAuthPatcher.java');
+    const patcherUrl = 'https://raw.githubusercontent.com/sanasol/hytale-auth-server/master/patcher/DualAuthPatcher.java';
+
+    if (!fs.existsSync(patcherDir)) {
+      fs.mkdirSync(patcherDir, { recursive: true });
+    }
+
+    if (!fs.existsSync(patcherJava)) {
+      console.log('Downloading DualAuthPatcher from hytale-auth-server...');
+      try {
+        const https = require('https');
+        await new Promise((resolve, reject) => {
+          const file = fs.createWriteStream(patcherJava);
+          https.get(patcherUrl, (response) => {
+            if (response.statusCode === 302 || response.statusCode === 301) {
+              // Follow redirect
+              https.get(response.headers.location, (redirectResponse) => {
+                redirectResponse.pipe(file);
+                file.on('finish', () => {
+                  file.close();
+                  resolve();
+                });
+              }).on('error', reject);
+            } else {
+              response.pipe(file);
+              file.on('finish', () => {
+                file.close();
+                resolve();
+              });
+            }
+          }).on('error', (err) => {
+            fs.unlink(patcherJava, () => {});
+            reject(err);
+          });
+        });
+        console.log('  Downloaded DualAuthPatcher.java');
+      } catch (e) {
+        console.error(`  Failed to download DualAuthPatcher: ${e.message}`);
+        throw e;
+      }
+    }
+  }
+
+  /**
+   * Download ASM libraries if not present
+   */
+  async ensureAsmLibraries(libDir) {
+    if (!fs.existsSync(libDir)) {
+      fs.mkdirSync(libDir, { recursive: true });
+    }
+
+    const libs = [
+      { name: 'asm-9.6.jar', url: 'https://repo1.maven.org/maven2/org/ow2/asm/asm/9.6/asm-9.6.jar' },
+      { name: 'asm-tree-9.6.jar', url: 'https://repo1.maven.org/maven2/org/ow2/asm/asm-tree/9.6/asm-tree-9.6.jar' },
+      { name: 'asm-util-9.6.jar', url: 'https://repo1.maven.org/maven2/org/ow2/asm/asm-util/9.6/asm-util-9.6.jar' }
+    ];
+
+    for (const lib of libs) {
+      const libPath = path.join(libDir, lib.name);
+      if (!fs.existsSync(libPath)) {
+        console.log(`Downloading ${lib.name}...`);
+        try {
+          const https = require('https');
+          await new Promise((resolve, reject) => {
+            const file = fs.createWriteStream(libPath);
+            https.get(lib.url, (response) => {
+              response.pipe(file);
+              file.on('finish', () => {
+                file.close();
+                resolve();
+              });
+            }).on('error', (err) => {
+              fs.unlink(libPath, () => {});
+              reject(err);
+            });
+          });
+          console.log(`  Downloaded ${lib.name}`);
+        } catch (e) {
+          console.error(`  Failed to download ${lib.name}: ${e.message}`);
+          throw e;
+        }
+      }
+    }
+  }
+
+  /**
+   * Compile DualAuthPatcher if needed
+   */
+  async compileDualAuthPatcher(java, patcherDir, libDir) {
+    const patcherClass = path.join(patcherDir, 'DualAuthPatcher.class');
+    const patcherJava = path.join(patcherDir, 'DualAuthPatcher.java');
+
+    // Check if already compiled and up to date
+    if (fs.existsSync(patcherClass)) {
+      const classTime = fs.statSync(patcherClass).mtime;
+      const javaTime = fs.statSync(patcherJava).mtime;
+      if (classTime > javaTime) {
+        console.log('DualAuthPatcher already compiled');
+        return { success: true };
+      }
+    }
+
+    console.log('Compiling DualAuthPatcher...');
+
+    const javac = java.replace(/java(\.exe)?$/, 'javac$1');
+    const classpath = [
+      path.join(libDir, 'asm-9.6.jar'),
+      path.join(libDir, 'asm-tree-9.6.jar'),
+      path.join(libDir, 'asm-util-9.6.jar')
+    ].join(process.platform === 'win32' ? ';' : ':');
+
+    try {
+      // Fix PATH for packaged Electron apps on Windows
+      const execOptions = {
+        stdio: 'pipe',
+        cwd: patcherDir,
+        env: { ...process.env }
+      };
+      
+      // Add system32 to PATH for Windows to find cmd.exe
+      if (process.platform === 'win32') {
+        const systemRoot = process.env.SystemRoot || 'C:\\WINDOWS';
+        const systemPath = `${systemRoot}\\system32;${systemRoot};${systemRoot}\\System32\\Wbem`;
+        execOptions.env.PATH = execOptions.env.PATH 
+          ? `${systemPath};${execOptions.env.PATH}`
+          : systemPath;
+        execOptions.shell = true;
+      }
+      
+      execSync(`"${javac}" -cp "${classpath}" -d "${patcherDir}" "${patcherJava}"`, execOptions);
+      console.log('  Compilation successful');
+      return { success: true };
+    } catch (e) {
+      const error = `Failed to compile DualAuthPatcher: ${e.message}`;
+      console.error(error);
+      if (e.stderr) console.error(e.stderr.toString());
+      return { success: false, error };
+    }
+  }
+
+  /**
+   * Run DualAuthPatcher on the server JAR
+   */
+  async runDualAuthPatcher(java, classpath, serverPath, domain) {
+    return new Promise((resolve) => {
+      const args = ['-cp', classpath, 'DualAuthPatcher', serverPath];
+      const env = { ...process.env, HYTALE_AUTH_DOMAIN: domain };
+
+      console.log(`Running: java ${args.join(' ')}`);
+      console.log(`  HYTALE_AUTH_DOMAIN=${domain}`);
+
+      const proc = spawn(java, args, { env, stdio: ['pipe', 'pipe', 'pipe'] });
+
+      let stdout = '';
+      let stderr = '';
+
+      proc.stdout.on('data', (data) => {
+        const str = data.toString();
+        stdout += str;
+        console.log(str.trim());
+      });
+
+      proc.stderr.on('data', (data) => {
+        const str = data.toString();
+        stderr += str;
+        console.error(str.trim());
+      });
+
+      proc.on('close', (code) => {
+        if (code === 0) {
+          resolve({ success: true, stdout });
+        } else {
+          resolve({ success: false, error: `Patcher exited with code ${code}: ${stderr}` });
+        }
+      });
+
+      proc.on('error', (err) => {
+        resolve({ success: false, error: `Failed to run patcher: ${err.message}` });
+      });
+    });
+  }
+
+  /**
+   * Legacy server patcher (simple domain replacement, no dual auth)
+   * Use patchServer() for full dual auth support
+   */
+  async patchServerLegacy(serverPath, progressCallback) {
+    const newDomain = this.getNewDomain();
+    const strategy = this.getDomainStrategy(newDomain);
+
+    console.log('=== Legacy Server Patcher ===');
+    console.log(`Target: ${serverPath}`);
+    console.log(`Domain: ${newDomain} (${newDomain.length} chars)`);
+
+    if (!fs.existsSync(serverPath)) {
+      return { success: false, error: `Server JAR not found: ${serverPath}` };
+    }
+
+    if (progressCallback) progressCallback('Patching server...', 20);
 
     console.log('Opening server JAR...');
     const zip = new AdmZip(serverPath);
     const entries = zip.getEntries();
-    console.log(`JAR contains ${entries.length} entries`);
-
-    if (progressCallback) {
-      progressCallback('Patching class files...', 40);
-    }
 
     let totalCount = 0;
     const oldUtf8 = this.stringToUtf8(ORIGINAL_DOMAIN);
-    const newUtf8 = this.stringToUtf8(newDomain);
 
     for (const entry of entries) {
       const name = entry.entryName;
       if (name.endsWith('.class') || name.endsWith('.properties') ||
           name.endsWith('.json') || name.endsWith('.xml') || name.endsWith('.yml')) {
-
         const data = entry.getData();
-
         if (data.includes(oldUtf8)) {
-          const { buffer: patchedData, count } = this.findAndReplaceDomainUtf8(data, ORIGINAL_DOMAIN, newDomain);
+          const { buffer: patchedData, count } = this.findAndReplaceDomainUtf8(data, ORIGINAL_DOMAIN, strategy.mainDomain);
           if (count > 0) {
             zip.updateFile(entry.entryName, patchedData);
-            console.log(`  Patched ${count} occurrences in ${name}`);
             totalCount += count;
           }
         }
       }
     }
 
-    if (totalCount === 0) {
-      console.log('No occurrences of hytale.com found in server JAR entries');
-      return { success: true, patchCount: 0, warning: 'No domain occurrences found in JAR' };
+    if (totalCount > 0) {
+      zip.writeZip(serverPath);
     }
 
-    if (progressCallback) {
-      progressCallback('Writing patched JAR...', 80);
-    }
-
-    console.log('Writing patched JAR...');
-    zip.writeZip(serverPath);
-
-    this.markAsPatched(serverPath);
-
-    if (progressCallback) {
-      progressCallback('Server patching complete', 100);
-    }
-
-    console.log(`Successfully patched ${totalCount} occurrences in server`);
-    console.log('=== Server Patching Complete ===');
-
+    if (progressCallback) progressCallback('Complete', 100);
     return { success: true, patchCount: totalCount };
   }
 
@@ -441,8 +980,9 @@ class ClientPatcher {
    * Ensure both client and server are patched before launching
    * @param {string} gameDir - Path to the game directory
    * @param {function} progressCallback - Optional callback for progress updates
+   * @param {string} javaPath - Optional path to Java executable for server patching
    */
-  async ensureClientPatched(gameDir, progressCallback) {
+  async ensureClientPatched(gameDir, progressCallback, javaPath = null) {
     const results = {
       client: null,
       server: null,
@@ -473,7 +1013,7 @@ class ClientPatcher {
         if (progressCallback) {
           progressCallback(`Server: ${msg}`, pct ? 50 + pct / 2 : null);
         }
-      });
+      }, javaPath);
     } else {
       console.warn('Could not find HytaleServer.jar');
       results.server = { success: false, error: 'Server JAR not found' };
@@ -491,4 +1031,4 @@ class ClientPatcher {
   }
 }
 
-module.exports = new ClientPatcher();
+module.exports = new ClientPatcher();

backend/utils/fileManager.js

@@ -2,151 +2,454 @@ const fs = require('fs');
 const path = require('path');
 const axios = require('axios');
 
-async function downloadFile(url, dest, progressCallback, maxRetries = 3) {
+// Automatic stall retry constants
+const MAX_AUTOMATIC_STALL_RETRIES = 3;
+const AUTOMATIC_STALL_RETRY_DELAY = 3000; // 3 seconds in milliseconds
+
+// Network monitoring utilities using Node.js built-in methods
+function checkNetworkConnection() {
+  return new Promise((resolve) => {
+    const { lookup } = require('dns');
+    const http = require('http');
+    
+    // Try DNS lookup first (faster) - using callback version
+    lookup('8.8.8.8', (err) => {
+      if (err) {
+        resolve(false);
+        return;
+      }
+      
+      // Try HTTP request to confirm internet connectivity
+      const req = http.get('http://www.google.com', { timeout: 3000 }, (res) => {
+        resolve(true);
+        res.destroy();
+      });
+      
+      req.on('error', () => {
+        resolve(false);
+      });
+      
+      req.on('timeout', () => {
+        req.destroy();
+        resolve(false);
+      });
+    });
+  });
+}
+
+
+
+async function downloadFile(url, dest, progressCallback, maxRetries = 5) {
   let lastError = null;
+  let retryState = {
+    attempts: 0,
+    maxRetries: maxRetries,
+    canRetry: true,
+    lastError: null,
+    automaticStallRetries: 0,
+    isAutomaticRetry: false
+  };
+  let downloadStalled = false;
+  let streamCompleted = false;
 
   for (let attempt = 0; attempt < maxRetries; attempt++) {
     try {
+      retryState.attempts = attempt + 1;
       console.log(`Download attempt ${attempt + 1}/${maxRetries} for ${url}`);
 
       if (attempt > 0 && progressCallback) {
-        progressCallback(`Retry ${attempt}/${maxRetries - 1}...`, null, null, null, null);
-        await new Promise(resolve => setTimeout(resolve, 2000 * attempt)); // Délai progressif
+        // Exponential backoff with jitter - longer delays for unstable connections
+        const baseDelay = 3000;
+        const exponentialDelay = baseDelay * Math.pow(2, attempt - 1);
+        const jitter = Math.random() * 2000;
+        const delay = Math.min(exponentialDelay + jitter, 60000);
+        
+        progressCallback(`Retry ${attempt}/${maxRetries - 1}...`, null, null, null, null, retryState);
+        await new Promise(resolve => setTimeout(resolve, delay));
+      }
+
+      // Create AbortController for proper stream control
+      const controller = new AbortController();
+      let hasReceivedData = false;
+      let lastProgressTime = Date.now(); // Initialize before timeout
+      
+      // Smart overall timeout - only trigger if no progress for extended period
+      const overallTimeout = setInterval(() => {
+        const now = Date.now();
+        const timeSinceLastProgress = now - lastProgressTime;
+        
+        // Only timeout if no data received for 15 minutes (900 seconds) - for very slow connections
+        if (timeSinceLastProgress > 900000 && hasReceivedData) {
+          console.log('Download stalled for 15 minutes, aborting...');
+          console.log(`Download had progress before stall: ${(downloaded / 1024 / 1024).toFixed(2)} MB`);
+          controller.abort();
+        }
+      }, 60000); // Check every minute
+
+      // Check if we can resume existing download
+      let startByte = 0;
+      if (fs.existsSync(dest)) {
+        const existingStats = fs.statSync(dest);
+        
+        // If file size matches remote size, skip download
+        if (existingStats.size == fs.statSync(dest).size) {
+          console.log('File already exists and is complete. Skipping download.');
+          return { success: true, downloaded: existingStats.size };
+        }
+
+        // Only resume if file exists and is substantial (> 1MB)
+        if (existingStats.size > 1024 * 1024) {
+          startByte = existingStats.size;
+          console.log(`Resuming download from byte ${startByte} (${(existingStats.size / 1024 / 1024).toFixed(2)} MB already downloaded)`);
+        } else {
+          // File too small, start fresh
+          fs.unlinkSync(dest);
+          console.log('Existing file too small, starting fresh download');
+        }
+      }
+
+      const headers = {
+        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36',
+        'Accept': '*/*'
+      };
+      
+      // Add Range header ONLY if resuming (startByte > 0)
+      if (startByte > 0) {
+        headers['Range'] = `bytes=${startByte}-`;
+        console.log(`Adding Range header: bytes=${startByte}-`);
+      } else {
+        console.log('Fresh download, no Range header');
       }
 
       const response = await axios({
         method: 'GET',
         url: url,
         responseType: 'stream',
-        timeout: 60000, // 60 secondes timeout
-        headers: {
-          'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36',
-          'Accept': '*/*',
-          'Accept-Language': 'en-US,en;q=0.9',
-          'Referer': 'https://launcher.hytale.com/',
-          'Connection': 'keep-alive'
-        },
-        // Configuration Axios pour la robustesse réseau
+        timeout: 120000, // 120 seconds for slow connections
+        signal: controller.signal,
+        headers: headers,
         validateStatus: function (status) {
-          return status >= 200 && status < 300;
+          return (status >= 200 && status < 300) || status === 206;
         },
-        // Retry configuration
         maxRedirects: 5,
-        // Network resilience
-        family: 4 // Force IPv4
+        family: 4
       });
 
-      const totalSize = parseInt(response.headers['content-length'], 10);
-      let downloaded = 0;
-      let lastProgressTime = Date.now();
+      const contentLength = response.headers['content-length'];
+      const totalSize = contentLength ? parseInt(contentLength, 10) + startByte : 0;
+      let downloaded = startByte;
+      lastProgressTime = Date.now();
       const startTime = Date.now();
 
-      // Nettoyer le fichier de destination s'il existe
-      if (fs.existsSync(dest)) {
-        fs.unlinkSync(dest);
+      // Check network status before attempting download, in case of known offline state
+      try {
+        const isNetworkOnline = await checkNetworkConnection();
+        if (!isNetworkOnline) {
+          throw new Error('Network connection unavailable. Please check your connection and retry.');
+        }
+      } catch (networkError) {
+        console.error('[Network] Network check failed, proceeding anyway:', networkError.message);
+        // Continue with download attempt - network check failure shouldn't block
       }
 
-      const writer = fs.createWriteStream(dest);
-      let downloadStalled = false;
+      const writer = fs.createWriteStream(dest, { 
+        flags: startByte > 0 ? 'a' : 'w', // 'a' for append (resume), 'w' for write (fresh)
+        start: startByte > 0 ? startByte : 0
+      });
+      let streamError = null;
       let stalledTimeout = null;
+      
+      // Reset state for this attempt
+      downloadStalled = false;
+      streamCompleted = false;
 
+      // Enhanced stream event handling
       response.data.on('data', (chunk) => {
         downloaded += chunk.length;
         const now = Date.now();
+        hasReceivedData = true; // Mark that we've received data
 
-        // Reset stalled timer on data received
+        // Reset simple stall timer on data received
         if (stalledTimeout) {
           clearTimeout(stalledTimeout);
         }
 
-        // Set new stalled timer (30 seconds without data = stalled)
-        stalledTimeout = setTimeout(() => {
+        // Set new stall timer (30 seconds without data = stalled)
+        stalledTimeout = setTimeout(async () => {
+          console.log('Download stalled - checking network connectivity...');
+          
+          // Check if network is actually available before retrying
+          try {
+            const isNetworkOnline = await checkNetworkConnection();
+            if (!isNetworkOnline) {
+              console.log('Network connection lost - stopping download and showing error');
+              downloadStalled = true;
+              streamError = new Error('Network connection lost. Please check your internet connection and retry.');
+              streamError.isConnectionLost = true;
+              streamError.canRetry = false;
+              controller.abort();
+              writer.destroy();
+              response.data.destroy();
+              // Immediately reject the promise to prevent hanging
+              setTimeout(() => promiseReject(streamError), 100);
+              return;
+            }
+          } catch (networkError) {
+            console.error('Network check failed during stall detection:', networkError.message);
+          }
+          
+          console.log('Network available - download stalled due to slow connection, aborting for retry...');
           downloadStalled = true;
+          streamError = new Error('Download stalled due to slow network connection. Please retry.');
+          controller.abort();
           writer.destroy();
           response.data.destroy();
+          // Immediately reject the promise to prevent hanging
+          setTimeout(() => promiseReject(streamError), 100);
         }, 30000);
 
         if (progressCallback && totalSize > 0 && (now - lastProgressTime > 100)) { // Update every 100ms max
           const percent = Math.min(100, Math.max(0, (downloaded / totalSize) * 100));
           const elapsed = (now - startTime) / 1000;
           const speed = elapsed > 0 ? downloaded / elapsed : 0;
-          progressCallback(null, percent, speed, downloaded, totalSize);
+          
+          progressCallback(null, percent, speed, downloaded, totalSize, retryState);
           lastProgressTime = now;
         }
       });
 
+      // Enhanced stream error handling
       response.data.on('error', (error) => {
+        // Ignore errors if it was intentionally cancelled or already handled
+        if (downloadStalled || streamCompleted || controller.signal.aborted) {
+          console.log(`Ignoring stream error after cancellation: ${error.code || error.message}`);
+          return;
+        }
+        
+        if (!streamError) {
+          streamError = new Error(`Stream error: ${error.code || error.message}. Please retry.`);
+          // Check for connection lost indicators
+          if (error.code === 'ERR_NETWORK_CHANGED' || 
+              error.code === 'ERR_INTERNET_DISCONNECTED' ||
+              error.code === 'ERR_CONNECTION_LOST') {
+            streamError.isConnectionLost = true;
+            streamError.canRetry = false;
+          }
+          console.error(`Stream error on attempt ${attempt + 1}:`, error.code || error.message);
+        }
         if (stalledTimeout) {
           clearTimeout(stalledTimeout);
         }
-        console.error(`Stream error on attempt ${attempt + 1}:`, error.code || error.message);
+        if (overallTimeout) {
+          clearInterval(overallTimeout);
+        }
         writer.destroy();
       });
 
+      response.data.on('close', () => {
+        // Only treat as error if not already handled by cancellation and writer didn't complete
+        if (!streamError && !streamCompleted && !downloadStalled && !controller.signal.aborted) {
+          // Check if writer actually completed but stream close came first
+          setTimeout(() => {
+            if (!streamCompleted) {
+              streamError = new Error('Stream closed unexpectedly. Please retry.');
+              console.log('Stream closed unexpectedly on attempt', attempt + 1);
+            }
+          }, 500); // Small delay to check if writer completes
+        }
+        if (stalledTimeout) {
+          clearTimeout(stalledTimeout);
+        }
+        if (overallTimeout) {
+          clearInterval(overallTimeout);
+        }
+      });
+
+      response.data.on('abort', () => {
+        // Only treat as error if not already handled by stall detection
+        if (!streamError && !streamCompleted && !downloadStalled) {
+          streamError = new Error('Download aborted due to network issue. Please retry.');
+          console.log('Stream aborted on attempt', attempt + 1);
+        }
+        if (stalledTimeout) {
+          clearTimeout(stalledTimeout);
+        }
+      });
+
       response.data.pipe(writer);
 
+      let promiseReject = null;
       await new Promise((resolve, reject) => {
+        // Store promise reject function for immediate use by stall timeout
+        promiseReject = reject;
         writer.on('finish', () => {
+          streamCompleted = true;
+          console.log(`Writer finished on attempt ${attempt + 1}, downloaded: ${(downloaded / 1024 / 1024).toFixed(2)} MB`);
+          
+          // Clear ALL timeouts to prevent them from firing after completion
           if (stalledTimeout) {
             clearTimeout(stalledTimeout);
+            console.log('Cleared stall timeout after writer finished');
           }
+          if (overallTimeout) {
+            clearInterval(overallTimeout);
+            console.log('Cleared overall timeout after writer finished');
+          }
+          
+          // Download is successful if writer finished - regardless of stream state
           if (!downloadStalled) {
             console.log(`Download completed successfully on attempt ${attempt + 1}`);
             resolve();
           } else {
-            reject(new Error('Download stalled'));
+            // Don't reject here if we already rejected due to network loss - prevents duplicate rejection
+            console.log('Writer finished after stall detection, ignoring...');
           }
         });
 
         writer.on('error', (error) => {
+          // Ignore write errors if stream was intentionally cancelled
+          if (downloadStalled || controller.signal.aborted) {
+            console.log(`Ignoring writer error after cancellation: ${error.code || error.message}`);
+            return;
+          }
+          
+          if (!streamError) {
+            streamError = new Error(`File write error: ${error.code || error.message}. Please retry.`);
+            console.error(`Writer error on attempt ${attempt + 1}:`, error.code || error.message);
+          }
           if (stalledTimeout) {
             clearTimeout(stalledTimeout);
           }
-          reject(error);
+          if (overallTimeout) {
+            clearInterval(overallTimeout);
+          }
+          reject(streamError);
         });
 
-        response.data.on('error', (error) => {
-          if (stalledTimeout) {
-            clearTimeout(stalledTimeout);
+        // Handle case where stream ends without finishing writer
+        response.data.on('end', () => {
+          if (!streamCompleted && !downloadStalled && !streamError) {
+            // Give a small delay for writer to finish - this is normal behavior
+            setTimeout(() => {
+              if (!streamCompleted) {
+                console.log('Stream ended but writer not finished - waiting longer...');
+                // Give more time for writer to finish - this might be slow disk I/O
+                setTimeout(() => {
+                  if (!streamCompleted) {
+                    streamError = new Error('Download incomplete. Please retry.');
+                    reject(streamError);
+                  }
+                }, 2000);
+              }
+            }, 1000);
           }
-          reject(error);
         });
       });
 
-      // Si on arrive ici, le téléchargement a réussi
-      return;
+      return dest;
 
-    } catch (error) {
-      lastError = error;
-      console.error(`Download attempt ${attempt + 1} failed:`, error.code || error.message);
+  } catch (error) {
+    lastError = error;
+    retryState.lastError = error;
+    console.error(`Download attempt ${attempt + 1} failed:`, error.code || error.message);
+    console.error(`Error details:`, { 
+      isConnectionLost: error.isConnectionLost, 
+      canRetry: error.canRetry,
+      message: error.message,
+      downloadStalled: downloadStalled,
+      streamCompleted: streamCompleted
+    });
+    
+    // Check if download actually completed successfully despite the error
+    if (fs.existsSync(dest)) {
+      const stats = fs.statSync(dest);
+      const sizeInMB = stats.size / 1024 / 1024;
+      console.log(`File size after error: ${sizeInMB.toFixed(2)} MB`);
+      
+      // If file is substantial size (> 1.5GB), treat as success and break
+      if (sizeInMB >= 1500) {
+        console.log('File appears to be complete despite error, treating as success');
+        return dest; // Exit the retry loop successfully
+      }
+    }
 
-      // Nettoyer le fichier partiel en cas d'erreur
-      if (fs.existsSync(dest)) {
-        try {
+    // Enhanced file cleanup with validation
+    if (fs.existsSync(dest)) {
+      try {
+        // HTTP 416 = Range Not Satisfiable, delete corrupted partial file
+        const isRangeError = error.message && error.message.includes('416');
+        
+        // Check if file is corrupted (small or invalid) or if error is non-resumable
+        const partialStats = fs.statSync(dest);
+        const isResumableError = error.message && (
+          error.message.includes('stalled') ||
+          error.message.includes('timeout') ||
+          error.message.includes('network') ||
+          error.message.includes('aborted')
+        );
+        
+        // Check if download appears to be complete (close to expected PWR size)
+        const isPossiblyComplete = partialStats.size >= 1500 * 1024 * 1024; // >= 1.5GB
+        
+        if (isRangeError || partialStats.size < 1024 * 1024 || (!isResumableError && !isPossiblyComplete)) {
+          // Delete if HTTP 416 OR file is too small OR error is non-resumable AND not possibly complete
+          const reason = isRangeError ? 'HTTP 416 range error' : (!isResumableError && !isPossiblyComplete ? 'non-resumable error' : 'too small');
+          console.log(`[Cleanup] Removing file (${reason}): ${(partialStats.size / 1024 / 1024).toFixed(2)} MB`);
           fs.unlinkSync(dest);
-        } catch (cleanupError) {
-          console.warn('Could not cleanup partial file:', cleanupError.message);
+        } else {
+          // Keep the file for resume on resumable errors or if possibly complete
+          console.log(`[Resume] Keeping file (${isPossiblyComplete ? 'possibly complete' : 'for resume'}): ${(partialStats.size / 1024 / 1024).toFixed(2)} MB`);
         }
+      } catch (cleanupError) {
+        console.warn('Could not handle partial file:', cleanupError.message);
       }
+    }
 
-      // Vérifier si c'est une erreur réseau que l'on peut retry
-      const retryableErrors = ['ECONNRESET', 'ENOTFOUND', 'ECONNREFUSED', 'ETIMEDOUT', 'ESOCKETTIMEDOUT', 'EPROTO'];
-      const isRetryable = retryableErrors.includes(error.code) ||
-        error.message.includes('timeout') ||
-        error.message.includes('stalled') ||
-        (error.response && error.response.status >= 500);
+    // Expanded retryable error codes for better network detection
+    const retryableErrors = [
+      'ECONNRESET', 'ENOTFOUND', 'ECONNREFUSED', 'ETIMEDOUT', 
+      'ESOCKETTIMEDOUT', 'EPROTO', 'ENETDOWN', 'EHOSTUNREACH',
+      'ECONNABORTED', 'EPIPE', 'ENETRESET', 'EADDRNOTAVAIL',
+      'ERR_NETWORK', 'ERR_INTERNET_DISCONNECTED', 'ERR_CONNECTION_RESET',
+      'ERR_CONNECTION_TIMED_OUT', 'ERR_NAME_NOT_RESOLVED', 'ERR_CONNECTION_CLOSED'
+    ];
+    
+    const isRetryable = retryableErrors.includes(error.code) ||
+      error.message.includes('timeout') ||
+      error.message.includes('stalled') ||
+      error.message.includes('aborted') ||
+      error.message.includes('network') ||
+      error.message.includes('connection') ||
+      error.message.includes('Please retry') ||
+      error.message.includes('corrupted') ||
+      error.message.includes('invalid') ||
+      (error.response && error.response.status >= 500);
 
-      if (!isRetryable || attempt === maxRetries - 1) {
-        console.error(`Non-retryable error or max retries reached: ${error.code || error.message}`);
+    // Respect error's canRetry property if set
+    const canRetry = (error.canRetry === false) ? false : isRetryable;
 
-        break;
-      }
+    if (!canRetry || attempt === maxRetries - 1) {
+      // Don't set retryState.canRetry to false for max retries - user should still be able to retry manually
+      retryState.canRetry = error.canRetry === false ? false : true;
+      console.error(`Non-retryable error or max retries reached: ${error.code || error.message}`);
+      break;
+    }
 
-      console.log(`Retryable error detected, will retry in ${2000 * (attempt + 1)}ms...`);
+    console.log(`Retryable error detected, will retry...`);
     }
   }
 
-  throw new Error(`Download failed after ${maxRetries} attempts. Last error: ${lastError?.code || lastError?.message || 'Unknown error'}`);
+  // Enhanced error with retry state and user-friendly message
+  const detailedError = lastError?.code || lastError?.message || 'Unknown error';
+  const errorMessage = `Download failed after ${maxRetries} attempts. Last error: ${detailedError}. Please retry`;
+  const enhancedError = new Error(errorMessage);
+  enhancedError.retryState = retryState;
+  enhancedError.lastError = lastError;
+  enhancedError.detailedError = detailedError;
+  
+  // Allow manual retry unless it's a connection lost error
+  enhancedError.canRetry = !lastError?.isConnectionLost && lastError?.canRetry !== false;
+  throw enhancedError;
 }
 
 function findHomePageUIPath(gameLatest) {
@@ -205,8 +508,82 @@ function findLogoPath(gameLatest) {
   return searchDirectory(gameLatest);
 }
 
+// Automatic stall retry function for network stalls
+async function retryStalledDownload(url, dest, progressCallback, previousError = null) {
+  console.log('Automatic stall retry initiated for:', url);
+  
+  // Wait before retry to allow network recovery
+  console.log(`Waiting ${AUTOMATIC_STALL_RETRY_DELAY/1000} seconds before automatic retry...`);
+  await new Promise(resolve => setTimeout(resolve, AUTOMATIC_STALL_RETRY_DELAY));
+  
+  try {
+    // Create new retryState for automatic retry
+    const automaticRetryState = {
+      attempts: 1,
+      maxRetries: 1,
+      canRetry: true,
+      lastError: null,
+      automaticStallRetries: (previousError && previousError.retryState) ? previousError.retryState.automaticStallRetries + 1 : 1,
+      isAutomaticRetry: true
+    };
+    
+    // Update progress callback with automatic retry info
+    if (progressCallback) {
+      progressCallback(
+        `Automatic stall retry ${automaticRetryState.automaticStallRetries}/${MAX_AUTOMATIC_STALL_RETRIES}...`,
+        null, null, null, null, automaticRetryState
+      );
+    }
+    
+    await downloadFile(url, dest, progressCallback, 1);
+    console.log('Automatic stall retry successful');
+  } catch (error) {
+    console.error('Automatic stall retry failed:', error.message);
+    throw error;
+  }
+}
+
+// Manual retry function for user-initiated retries
+async function retryDownload(url, dest, progressCallback, previousError = null) {
+  console.log('Manual retry initiated for:', url);
+  
+  // If we have a previous error with retry state, continue from there
+  let additionalRetries = 3; // Allow 3 additional manual retries
+  if (previousError && previousError.retryState) {
+    additionalRetries = Math.max(2, 5 - previousError.retryState.attempts);
+  }
+  
+  // Ensure cache directory exists before retrying
+  const destDir = path.dirname(dest);
+  if (!fs.existsSync(destDir)) {
+    console.log('Creating cache directory:', destDir);
+    fs.mkdirSync(destDir, { recursive: true });
+  }
+  
+  // CRITICAL: Delete partial file before manual retry to avoid HTTP 416
+  if (fs.existsSync(dest)) {
+    try {
+      const stats = fs.statSync(dest);
+      console.log(`[Retry] Deleting partial file before retry: ${(stats.size / 1024 / 1024).toFixed(2)} MB`);
+      fs.unlinkSync(dest);
+    } catch (err) {
+      console.warn('Could not delete partial file:', err.message);
+    }
+  }
+  
+  try {
+    await downloadFile(url, dest, progressCallback, additionalRetries);
+    console.log('Manual retry successful');
+  } catch (error) {
+    console.error('Manual retry failed:', error.message);
+    throw error;
+  }
+}
+
 module.exports = {
   downloadFile,
+  retryDownload,
+  retryStalledDownload,
   findHomePageUIPath,
   findLogoPath
 };

backend/utils/platformUtils.js

@@ -53,11 +53,7 @@ function setupWaylandEnvironment() {
   console.log('Detected Wayland session, configuring environment...');
   
   const envVars = {
-    SDL_VIDEODRIVER: 'wayland',
-    GDK_BACKEND: 'wayland',
-    QT_QPA_PLATFORM: 'wayland',
-    MOZ_ENABLE_WAYLAND: '1',
-    _JAVA_AWT_WM_NONREPARENTING: '1'
+    SDL_VIDEODRIVER: 'wayland'
   };
   
   envVars.ELECTRON_OZONE_PLATFORM_HINT = 'wayland';

backend/utils/userDataBackup.js

@@ -0,0 +1,129 @@
+const fs = require('fs-extra');
+const path = require('path');
+
+/**
+ * Backup and restore UserData folder during game updates
+ */
+class UserDataBackup {
+  /**
+   * Backup UserData folder to a temporary location
+   * @param {string} installPath - Base installation path (e.g., C:\Users\...\HytaleF2P)
+   * @param {string} branch - Branch name (release or pre-release)
+   * @param {boolean} hasVersionConfig - True if config.json has version_client and version_branch
+   * @returns {Promise<string|null>} - Path to backup or null if no UserData found
+   */
+  async backupUserData(installPath, branch, hasVersionConfig = true) {
+    let userDataPath;
+    
+    // Si on n'a pas de version_client/version_branch dans config.json, 
+    // c'est une ancienne installation, on cherche dans installPath/HytaleF2P/release
+    if (!hasVersionConfig) {
+      const oldPath = path.join(installPath, 'HytaleF2P', 'release', 'package', 'game', 'latest', 'Client', 'UserData');
+      console.log(`[UserDataBackup] No version_client/version_branch detected, searching old installation in: ${oldPath}`);
+      
+      if (fs.existsSync(oldPath)) {
+        userDataPath = oldPath;
+        console.log(`[UserDataBackup] ✓ Old installation found! UserData exists in old location`);
+      } else {
+        console.log(`[UserDataBackup] ✗ No old installation found in ${oldPath}`);
+        userDataPath = path.join(installPath, branch, 'package', 'game', 'latest', 'Client', 'UserData');
+      }
+    } else {
+      // Si on a version_client/version_branch, on cherche dans installPath/HytaleF2P/<branch>
+      userDataPath = path.join(installPath, branch, 'package', 'game', 'latest', 'Client', 'UserData');
+      console.log(`[UserDataBackup] Version configured, searching in: ${userDataPath}`);
+    }
+    
+    if (!fs.existsSync(userDataPath)) {
+      console.log(`[UserDataBackup] ✗ No UserData found at ${userDataPath}, backup skipped`);
+      return null;
+    }
+
+    console.log(`[UserDataBackup] ✓ UserData found at ${userDataPath}`);
+    const backupPath = path.join(installPath, `UserData_backup_${branch}_${Date.now()}`);
+    
+    try {
+      console.log(`[UserDataBackup] Copying from ${userDataPath} to ${backupPath}...`);
+      await fs.copy(userDataPath, backupPath, {
+        overwrite: true,
+        errorOnExist: false
+      });
+      console.log('[UserDataBackup] ✓ Backup completed successfully');
+      return backupPath;
+    } catch (error) {
+      console.error('[UserDataBackup] ✗ Erreur lors du backup:', error);
+      throw new Error(`Failed to backup UserData: ${error.message}`);
+    }
+  }
+
+  /**
+   * Restore UserData folder from backup
+   * @param {string} backupPath - Path to the backup folder
+   * @param {string} installPath - Base installation path
+   * @param {string} branch - Branch name (release or pre-release)
+   * @returns {Promise<boolean>} - True if restored, false otherwise
+   */
+  async restoreUserData(backupPath, installPath, branch) {
+    if (!backupPath || !fs.existsSync(backupPath)) {
+      console.log('No backup to restore or backup path does not exist');
+      return false;
+    }
+
+    const userDataPath = path.join(installPath, branch, 'package', 'game', 'latest', 'Client', 'UserData');
+    
+    try {
+      console.log(`Restoring UserData from ${backupPath} to ${userDataPath}`);
+      
+      // Ensure parent directory exists
+      const parentDir = path.dirname(userDataPath);
+      if (!fs.existsSync(parentDir)) {
+        await fs.ensureDir(parentDir);
+      }
+
+      await fs.copy(backupPath, userDataPath, {
+        overwrite: true,
+        errorOnExist: false
+      });
+      
+      console.log('UserData restore completed successfully');
+      return true;
+    } catch (error) {
+      console.error('Error restoring UserData:', error);
+      throw new Error(`Failed to restore UserData: ${error.message}`);
+    }
+  }
+
+  /**
+   * Clean up backup folder
+   * @param {string} backupPath - Path to the backup folder to delete
+   * @returns {Promise<boolean>} - True if deleted, false otherwise
+   */
+  async cleanupBackup(backupPath) {
+    if (!backupPath || !fs.existsSync(backupPath)) {
+      return false;
+    }
+
+    try {
+      console.log(`Cleaning up backup at ${backupPath}`);
+      await fs.remove(backupPath);
+      console.log('Backup cleanup completed');
+      return true;
+    } catch (error) {
+      console.error('Error cleaning up backup:', error);
+      return false;
+    }
+  }
+
+  /**
+   * Check if UserData exists for a specific branch
+   * @param {string} installPath - Base installation path
+   * @param {string} branch - Branch name (release or pre-release)
+   * @returns {boolean} - True if UserData exists
+   */
+  hasUserData(installPath, branch) {
+    const userDataPath = path.join(installPath, branch, 'package', 'game', 'latest', 'Client', 'UserData');
+    return fs.existsSync(userDataPath);
+  }
+}
+
+module.exports = new UserDataBackup();

main.js

@@ -1,10 +1,22 @@
 const path = require('path');
 require('dotenv').config({ path: path.join(__dirname, '.env') });
 const { app, BrowserWindow, ipcMain, dialog, shell } = require('electron');
+const { autoUpdater } = require('electron-updater');
 const fs = require('fs');
-const { launchGame, launchGameWithVersionCheck, installGame, saveUsername, loadUsername, saveChatUsername, loadChatUsername, saveChatColor, loadChatColor, saveJavaPath, loadJavaPath, saveInstallPath, loadInstallPath, saveDiscordRPC, loadDiscordRPC, saveLanguage, loadLanguage, saveCloseLauncherOnStart, loadCloseLauncherOnStart, isGameInstalled, uninstallGame, repairGame, getHytaleNews, handleFirstLaunchCheck, proposeGameUpdate, markAsLaunched } = require('./backend/launcher');
-
-const UpdateManager = require('./backend/updateManager');
+const { launchGame, launchGameWithVersionCheck, installGame, saveUsername, loadUsername, saveChatUsername, loadChatUsername, saveChatColor, loadChatColor, saveJavaPath, loadJavaPath, saveInstallPath, loadInstallPath, saveDiscordRPC, loadDiscordRPC, saveLanguage, loadLanguage, saveCloseLauncherOnStart, loadCloseLauncherOnStart, saveLauncherHardwareAcceleration, loadLauncherHardwareAcceleration, isGameInstalled, uninstallGame, repairGame, getHytaleNews, handleFirstLaunchCheck, proposeGameUpdate, markAsLaunched } = require('./backend/launcher');
+const { retryPWRDownload } = require('./backend/managers/gameManager');
+
+// Handle Hardware Acceleration
+try {
+  const hwEnabled = loadLauncherHardwareAcceleration();
+  if (!hwEnabled) {
+    console.log('Hardware acceleration disabled by user setting');
+    app.disableHardwareAcceleration();
+  }
+} catch (error) {
+  console.error('Failed to load hardware acceleration setting:', error);
+}
+
 const logger = require('./backend/logger');
 const profileManager = require('./backend/managers/profileManager');
 
@@ -26,11 +38,10 @@ if (!gotTheLock) {
 }
 
 let mainWindow;
-let updateManager;
 let discordRPC = null;
 
 // Discord Rich Presence setup
-const DISCORD_CLIENT_ID = process.env.DISCORD_CLIENT_ID;
+const DISCORD_CLIENT_ID = "1462244937868513373";
 
 function initDiscordRPC() {
   try {
@@ -82,7 +93,7 @@ function setDiscordActivity() {
   }
 }
 
-function toggleDiscordRPC(enabled) {
+async function toggleDiscordRPC(enabled) {
   console.log('Toggling Discord RPC:', enabled);
 
   if (enabled && !discordRPC) {
@@ -92,12 +103,13 @@ function toggleDiscordRPC(enabled) {
     try {
       console.log('Disconnecting Discord RPC...');
       discordRPC.clearActivity();
+      await new Promise(r => setTimeout(r, 100));
       discordRPC.destroy();
-      discordRPC = null;
       console.log('Discord RPC disconnected successfully');
     } catch (error) {
       console.error('Error disconnecting Discord RPC:', error.message);
-      discordRPC = null; 
+    } finally {
+      discordRPC = null;
     }
   }
 }
@@ -162,12 +174,59 @@ function createWindow() {
   // Initialize Discord Rich Presence
   initDiscordRPC();
 
-  updateManager = new UpdateManager();
-  setTimeout(async () => {
-    const updateInfo = await updateManager.checkForUpdates();
-    if (updateInfo.updateAvailable) {
-      mainWindow.webContents.send('show-update-popup', updateInfo);
+  // Configure and initialize electron-updater
+  autoUpdater.autoDownload = false;
+  autoUpdater.autoInstallOnAppQuit = true;
+
+  autoUpdater.on('checking-for-update', () => {
+    console.log('Checking for launcher updates...');
+  });
+
+  autoUpdater.on('update-available', (info) => {
+    console.log('Update available:', info.version);
+    if (mainWindow && !mainWindow.isDestroyed()) {
+      mainWindow.webContents.send('update-available', {
+        currentVersion: app.getVersion(),
+        newVersion: info.version,
+        releaseNotes: info.releaseNotes,
+        releaseDate: info.releaseDate
+      });
     }
+  });
+
+  autoUpdater.on('update-not-available', (info) => {
+    console.log('Launcher is up to date:', info.version);
+  });
+
+  autoUpdater.on('error', (err) => {
+    console.error('Error in auto-updater:', err);
+  });
+
+  autoUpdater.on('download-progress', (progressObj) => {
+    if (mainWindow && !mainWindow.isDestroyed()) {
+      mainWindow.webContents.send('update-download-progress', {
+        percent: progressObj.percent,
+        transferred: progressObj.transferred,
+        total: progressObj.total,
+        bytesPerSecond: progressObj.bytesPerSecond
+      });
+    }
+  });
+
+  autoUpdater.on('update-downloaded', (info) => {
+    console.log('Update downloaded:', info.version);
+    if (mainWindow && !mainWindow.isDestroyed()) {
+      mainWindow.webContents.send('update-downloaded', {
+        version: info.version
+      });
+    }
+  });
+
+  // Check for updates after 3 seconds
+  setTimeout(() => {
+    autoUpdater.checkForUpdates().catch(err => {
+      console.log('Failed to check for updates:', err.message);
+    });
   }, 3000);
 
   mainWindow.webContents.on('devtools-opened', () => {
@@ -187,21 +246,21 @@ function createWindow() {
     if (input.key === 'F12') {
       event.preventDefault();
     }
-    if (input.key === 'F5') {
-      event.preventDefault();
-    }
-
-    // Close application shortcuts
-    const isMac = process.platform === 'darwin';
-    const quitShortcut = (isMac && input.meta && input.key.toLowerCase() === 'q') || 
-                         (!isMac && input.control && input.key.toLowerCase() === 'q') ||
-                         (!isMac && input.alt && input.key === 'F4');
-
-    if (quitShortcut) {
-      app.quit();
-    }
-  });
-
+    if (input.key === 'F5') {
+      event.preventDefault();
+    }
+
+    // Close application shortcuts
+    const isMac = process.platform === 'darwin';
+    const quitShortcut = (isMac && input.meta && input.key.toLowerCase() === 'q') ||
+      (!isMac && input.control && input.key.toLowerCase() === 'q') ||
+      (!isMac && input.alt && input.key === 'F4');
+
+    if (quitShortcut) {
+      app.quit();
+    }
+  });
+
 
 
   mainWindow.webContents.on('context-menu', (e) => {
@@ -263,9 +322,9 @@ app.whenReady().then(async () => {
         mainWindow.webContents.send('lock-play-button', true);
       }
 
-      const progressCallback = (message, percent, speed, downloaded, total) => {
+      const progressCallback = (message, percent, speed, downloaded, total, retryState) => {
         if (mainWindow && !mainWindow.isDestroyed()) {
-          mainWindow.webContents.send('first-launch-progress', { message, percent, speed, downloaded, total });
+          mainWindow.webContents.send('first-launch-progress', { message, percent, speed, downloaded, total, retryState });
         }
       };
 
@@ -320,23 +379,18 @@ app.whenReady().then(async () => {
   }, 3000);
 });
 
-function cleanupDiscordRPC() {
-  if (discordRPC) {
-    try {
-      console.log('Cleaning up Discord RPC...');
-      discordRPC.clearActivity();
-      setTimeout(() => {
-        try {
-          discordRPC.destroy();
-        } catch (error) {
-          console.log('Error during final Discord RPC cleanup:', error.message);
-        }
-      }, 100);
-      discordRPC = null;
-    } catch (error) {
-      console.log('Error cleaning up Discord RPC:', error.message);
-      discordRPC = null;
-    }
+async function cleanupDiscordRPC() {
+  if (!discordRPC) return;
+  try {
+    console.log('Cleaning up Discord RPC...');
+    discordRPC.clearActivity();
+    await new Promise(r => setTimeout(r, 100));
+    discordRPC.destroy();
+    console.log('Discord RPC cleaned up successfully');
+  } catch (error) {
+    console.log('Error cleaning up Discord RPC:', error.message);
+  } finally {
+    discordRPC = null;
   }
 }
 
@@ -345,44 +399,42 @@ app.on('before-quit', () => {
   cleanupDiscordRPC();
 });
 
-app.on('window-all-closed', () => {
-  console.log('=== LAUNCHER CLOSING ===');
-
-  cleanupDiscordRPC();
-
-  app.quit();
-});
-
+app.on('window-all-closed', () => {
+  console.log('=== LAUNCHER CLOSING ===');
+  app.quit();
+});
+
 
 ipcMain.handle('launch-game', async (event, playerName, javaPath, installPath, gpuPreference) => {
   try {
-    const progressCallback = (message, percent, speed, downloaded, total) => {
+    const progressCallback = (message, percent, speed, downloaded, total, retryState) => {
       if (mainWindow && !mainWindow.isDestroyed()) {
         const data = {
           message: message || null,
           percent: percent !== null && percent !== undefined ? Math.min(100, Math.max(0, percent)) : null,
           speed: speed !== null && speed !== undefined ? speed : null,
           downloaded: downloaded !== null && downloaded !== undefined ? downloaded : null,
-          total: total !== null && total !== undefined ? total : null
+          total: total !== null && total !== undefined ? total : null,
+          retryState: retryState || null
         };
         mainWindow.webContents.send('progress-update', data);
       }
     };
 
-    const result = await launchGameWithVersionCheck(playerName, progressCallback, javaPath, installPath, gpuPreference);
-
-    if (result.success && result.launched) {
-      const closeOnStart = loadCloseLauncherOnStart();
-      if (closeOnStart) {
-        console.log('Close Launcher on start enabled, quitting application...');
-        setTimeout(() => {
-          app.quit();
-        }, 1000);
-      }
-    }
-
-    return result;
-
+    const result = await launchGameWithVersionCheck(playerName, progressCallback, javaPath, installPath, gpuPreference);
+
+    if (result.success && result.launched) {
+      const closeOnStart = loadCloseLauncherOnStart();
+      if (closeOnStart) {
+        console.log('Close Launcher on start enabled, quitting application...');
+        setTimeout(() => {
+          app.quit();
+        }, 1000);
+      }
+    }
+
+    return result;
+
   } catch (error) {
     console.error('Launch error:', error);
     const errorMessage = error.message || error.toString();
@@ -397,44 +449,118 @@ ipcMain.handle('launch-game', async (event, playerName, javaPath, installPath, g
   }
 });
 
-ipcMain.handle('install-game', async (event, playerName, javaPath, installPath) => {
+ipcMain.handle('install-game', async (event, playerName, javaPath, installPath, branch) => {
   try {
+    console.log(`[IPC] install-game called with parameters:`);
+    console.log(`  - playerName: ${playerName}`);
+    console.log(`  - javaPath: ${javaPath}`);
+    console.log(`  - installPath: ${installPath}`);
+    console.log(`  - branch: ${branch}`);
+    console.log(`[IPC] branch type: ${typeof branch}, value: ${JSON.stringify(branch)}`);
+
     // Signal installation start
     if (mainWindow && !mainWindow.isDestroyed()) {
       mainWindow.webContents.send('installation-start');
     }
 
-    const progressCallback = (message, percent, speed, downloaded, total) => {
+    const progressCallback = (message, percent, speed, downloaded, total, retryState) => {
       if (mainWindow && !mainWindow.isDestroyed()) {
         const data = {
           message: message || null,
           percent: percent !== null && percent !== undefined ? Math.min(100, Math.max(0, percent)) : null,
           speed: speed !== null && speed !== undefined ? speed : null,
           downloaded: downloaded !== null && downloaded !== undefined ? downloaded : null,
-          total: total !== null && total !== undefined ? total : null
+          total: total !== null && total !== undefined ? total : null,
+          retryState: retryState || null
         };
         mainWindow.webContents.send('progress-update', data);
       }
     };
 
-    const result = await installGame(playerName, progressCallback, javaPath, installPath);
+    const result = await installGame(playerName, progressCallback, javaPath, installPath, branch);
 
     // Signal installation end
     if (mainWindow && !mainWindow.isDestroyed()) {
       mainWindow.webContents.send('installation-end');
     }
 
-    return result;
+    // Ensure we always return a result for the IPC handler
+    const successResponse = result || { success: true };
+    console.log('[Main] Returning success response for install-game:', successResponse);
+    return successResponse;
   } catch (error) {
-    console.error('Install error:', error);
+    // console.error('Install error:', error);
     const errorMessage = error.message || error.toString();
 
+    // Enhanced error data extraction for both download and Butler errors
+    let errorData = {
+      message: errorMessage,
+      error: true,
+      canRetry: true, // Default to true, will be overridden by specific error props
+      retryData: null
+    };
+
+    // Prioritize JRE errors first
+    if (error.isJREError) {
+      console.log('[Main] Processing JRE download error with retry context');
+      errorData.retryData = {
+        isJREError: true,
+        jreUrl: error.jreUrl,
+        fileName: error.fileName,
+        cacheDir: error.cacheDir,
+        osName: error.osName,
+        arch: error.arch
+      };
+      // For JRE errors, allow manual retry unless explicitly disabled
+      errorData.canRetry = error.canRetry !== false;
+      errorData.errorType = 'jre';
+    }
+    // Handle Butler-specific errors
+    else if (error.butlerError) {
+      console.log('[Main] Processing Butler error with retry context');
+      errorData.retryData = {
+        branch: error.branch || 'release',
+        fileName: error.fileName || '4.pwr',
+        cacheDir: error.cacheDir
+      };
+      errorData.canRetry = error.canRetry !== false;
+    }
+    // Handle PWR download errors
+    else if (error.branch && error.fileName) {
+      console.log('[Main] Processing PWR download error with retry context');
+      errorData.retryData = {
+        branch: error.branch,
+        fileName: error.fileName,
+        cacheDir: error.cacheDir
+      };
+      errorData.canRetry = error.canRetry !== false;
+    }
+    // Default fallback for other errors
+    else {
+      console.log('[Main] Processing generic error, creating default retry data');
+      errorData.retryData = {
+        branch: 'release',
+        fileName: '4.pwr'
+      };
+      // For generic errors, assume it's retryable unless specified
+      errorData.canRetry = error.canRetry !== false;
+    }
+
+    // Send enhanced error info for retry UI
+    if (mainWindow && !mainWindow.isDestroyed()) {
+      console.log('[Main] Sending error data to renderer:', errorData);
+      mainWindow.webContents.send('progress-update', errorData);
+    }
+
     // Signal installation end on error too
     if (mainWindow && !mainWindow.isDestroyed()) {
       mainWindow.webContents.send('installation-end');
     }
 
-    return { success: false, error: errorMessage };
+    // Always return a proper response to prevent timeout
+    const errorResponse = { success: false, error: errorMessage };
+    console.log('[Main] Returning error response for install-game:', errorResponse);
+    return errorResponse;
   }
 });
 
@@ -497,21 +623,30 @@ ipcMain.handle('save-language', (event, language) => {
   return { success: true };
 });
 
-ipcMain.handle('load-language', () => {
-  return loadLanguage();
-});
-
-ipcMain.handle('save-close-launcher', (event, enabled) => {
-  saveCloseLauncherOnStart(enabled);
-  return { success: true };
-});
-
-ipcMain.handle('load-close-launcher', () => {
-  return loadCloseLauncherOnStart();
-});
-
-ipcMain.handle('select-install-path', async () => {
-
+ipcMain.handle('load-language', () => {
+  return loadLanguage();
+});
+
+ipcMain.handle('save-close-launcher', (event, enabled) => {
+  saveCloseLauncherOnStart(enabled);
+  return { success: true };
+});
+
+ipcMain.handle('load-close-launcher', () => {
+  return loadCloseLauncherOnStart();
+});
+
+ipcMain.handle('save-launcher-hw-accel', (event, enabled) => {
+  saveLauncherHardwareAcceleration(enabled);
+  return { success: true };
+});
+
+ipcMain.handle('load-launcher-hw-accel', () => {
+  return loadLauncherHardwareAcceleration();
+});
+
+ipcMain.handle('select-install-path', async () => {
+
   const result = await dialog.showOpenDialog(mainWindow, {
     properties: ['openDirectory'],
     title: 'Select Installation Folder'
@@ -525,14 +660,15 @@ ipcMain.handle('select-install-path', async () => {
 
 ipcMain.handle('accept-first-launch-update', async (event, existingGame) => {
   try {
-    const progressCallback = (message, percent, speed, downloaded, total) => {
+    const progressCallback = (message, percent, speed, downloaded, total, retryState) => {
       if (mainWindow && !mainWindow.isDestroyed()) {
         const data = {
           message: message || null,
           percent: percent !== null && percent !== undefined ? Math.min(100, Math.max(0, percent)) : null,
           speed: speed !== null && speed !== undefined ? speed : null,
           downloaded: downloaded !== null && downloaded !== undefined ? downloaded : null,
-          total: total !== null && total !== undefined ? total : null
+          total: total !== null && total !== undefined ? total : null,
+          retryState: retryState || null
         };
         mainWindow.webContents.send('first-launch-progress', data);
       }
@@ -574,21 +710,22 @@ ipcMain.handle('uninstall-game', async () => {
   try {
     await uninstallGame();
   } catch (error) {
-    console.error('Uninstall error:', error);
+    // console.error('Uninstall error:', error);
     return { success: false, error: error.message };
   }
 });
 
 ipcMain.handle('repair-game', async () => {
   try {
-    const progressCallback = (message, percent, speed, downloaded, total) => {
+    const progressCallback = (message, percent, speed, downloaded, total, retryState) => {
       if (mainWindow && !mainWindow.isDestroyed()) {
         const data = {
           message: message || null,
           percent: percent !== null && percent !== undefined ? Math.min(100, Math.max(0, percent)) : null,
           speed: speed !== null && speed !== undefined ? speed : null,
           downloaded: downloaded !== null && downloaded !== undefined ? downloaded : null,
-          total: total !== null && total !== undefined ? total : null
+          total: total !== null && total !== undefined ? total : null,
+          retryState: retryState || null
         };
         mainWindow.webContents.send('progress-update', data);
       }
@@ -598,7 +735,98 @@ ipcMain.handle('repair-game', async () => {
     return result;
   } catch (error) {
     console.error('Repair error:', error);
-    return { success: false, error: error.message };
+    const errorMessage = error.message || error.toString();
+    return { success: false, error: errorMessage };
+  }
+});
+
+ipcMain.handle('retry-download', async (event, retryData) => {
+  try {
+    console.log('[IPC] retry-download called with data:', retryData);
+
+    const progressCallback = (message, percent, speed, downloaded, total, retryState) => {
+      if (mainWindow && !mainWindow.isDestroyed()) {
+        const data = {
+          message: message || null,
+          percent: percent !== null && percent !== undefined ? Math.min(100, Math.max(0, percent)) : null,
+          speed: speed !== null && speed !== undefined ? speed : null,
+          downloaded: downloaded !== null && downloaded !== undefined ? downloaded : null,
+          total: total !== null && total !== undefined ? total : null,
+          retryState: retryState || null
+        };
+        mainWindow.webContents.send('progress-update', data);
+      }
+    };
+
+    // Handle JRE download retries
+    if (retryData && retryData.isJREError) {
+      console.log(`[IPC] Retrying JRE download: jreUrl=${retryData.jreUrl}, fileName=${retryData.fileName}`);
+      console.log('[IPC] Full JRE retry data:', JSON.stringify(retryData, null, 2));
+
+      const { retryJREDownload } = require('./backend/managers/javaManager');
+      const jreCacheFile = path.join(retryData.cacheDir, retryData.fileName);
+      await retryJREDownload(retryData.jreUrl, jreCacheFile, progressCallback);
+
+      return { success: true };
+    }
+
+    // Handle PWR download retries (default)
+    if (!retryData || !retryData.branch || !retryData.fileName) {
+      console.log('[IPC] Invalid retry data, using PWR defaults');
+      retryData = {
+        branch: 'release',
+        fileName: '4.pwr'
+      };
+    }
+
+    // Extract PWR download info from retryData
+    const branch = retryData.branch;
+    const fileName = retryData.fileName;
+    const cacheDir = retryData.cacheDir;
+
+    console.log(`[IPC] Retrying PWR download: branch=${branch}, fileName=${fileName}`);
+    console.log('[IPC] Full PWR retry data:', JSON.stringify(retryData, null, 2));
+
+    // Perform retry with enhanced context
+    await retryPWRDownload(branch, fileName, progressCallback, cacheDir);
+
+    return { success: true };
+  } catch (error) {
+    console.error('Retry download error:', error);
+    const errorMessage = error.message || error.toString();
+
+    // Send error update to frontend with context
+    if (mainWindow && !mainWindow.isDestroyed()) {
+      const isJreError = retryData?.isJREError;
+      const errorRetryData = isJreError ?
+        {
+          isJREError: true,
+          jreUrl: retryData?.jreUrl,
+          fileName: retryData?.fileName,
+          cacheDir: retryData?.cacheDir,
+          osName: retryData?.osName,
+          arch: retryData?.arch
+        } :
+        {
+          branch: retryData?.branch || 'release',
+          fileName: retryData?.fileName || '4.pwr',
+          cacheDir: retryData?.cacheDir
+        };
+
+      const data = {
+        message: errorMessage,
+        error: true,
+        canRetry: error.canRetry !== false, // Respect canRetry from the thrown error
+        retryData: errorRetryData,
+        errorType: isJreError ? 'jre' : 'general' // Add errorType for the UI
+      };
+      mainWindow.webContents.send('progress-update', data);
+    }
+
+    // Always return a proper response to prevent timeout
+    const errorResponse = { success: false, error: errorMessage };
+    console.log('[Main] Returning error response for retry-download:', errorResponse);
+    return errorResponse;
   }
 });
 
@@ -624,8 +852,9 @@ ipcMain.handle('open-external', async (event, url) => {
 
 ipcMain.handle('open-game-location', async () => {
   try {
-    const { getResolvedAppDir } = require('./backend/launcher');
-    const gameDir = path.join(getResolvedAppDir(), 'release', 'package', 'game');
+    const { getResolvedAppDir, loadVersionBranch } = require('./backend/launcher');
+    const branch = loadVersionBranch();
+    const gameDir = path.join(getResolvedAppDir(), branch, 'package', 'game');
 
     if (fs.existsSync(gameDir)) {
       await shell.openPath(gameDir);
@@ -823,33 +1052,37 @@ ipcMain.handle('copy-mod-file', async (event, sourcePath, modsPath) => {
   }
 });
 
+// Electron-updater IPC handlers
 ipcMain.handle('check-for-updates', async () => {
   try {
-    return await updateManager.checkForUpdates();
+    const result = await autoUpdater.checkForUpdates();
+    return {
+      updateAvailable: result && result.updateInfo,
+      currentVersion: app.getVersion(),
+      updateInfo: result ? result.updateInfo : null
+    };
   } catch (error) {
     console.error('Error checking for updates:', error);
     return { updateAvailable: false, error: error.message };
   }
 });
 
-ipcMain.handle('open-download-page', async () => {
+ipcMain.handle('download-update', async () => {
   try {
-    await shell.openExternal(updateManager.getDownloadUrl());
-
-    setTimeout(() => {
-      app.quit();
-    }, 1000);
-
-
+    await autoUpdater.downloadUpdate();
     return { success: true };
   } catch (error) {
-    console.error('Error opening download page:', error);
+    console.error('Error downloading update:', error);
     return { success: false, error: error.message };
   }
 });
 
-ipcMain.handle('get-update-info', async () => {
-  return updateManager.getUpdateInfo();
+ipcMain.handle('install-update', () => {
+  autoUpdater.quitAndInstall(false, true);
+});
+
+ipcMain.handle('get-launcher-version', () => {
+  return app.getVersion();
 });
 
 ipcMain.handle('get-gpu-info', () => {
@@ -881,10 +1114,26 @@ ipcMain.handle('get-detected-gpu', () => {
   return global.detectedGpu;
 });
 
-ipcMain.handle('window-close', () => {
-  app.quit();
-});
-
+ipcMain.handle('save-version-branch', (event, branch) => {
+  const { saveVersionBranch } = require('./backend/launcher');
+  saveVersionBranch(branch);
+  return { success: true };
+});
+
+ipcMain.handle('load-version-branch', () => {
+  const { loadVersionBranch } = require('./backend/launcher');
+  return loadVersionBranch();
+});
+
+ipcMain.handle('load-version-client', () => {
+  const { loadVersionClient } = require('./backend/launcher');
+  return loadVersionClient();
+});
+
+ipcMain.handle('window-close', () => {
+  app.quit();
+});
+
 
 ipcMain.handle('window-minimize', () => {
   if (mainWindow && !mainWindow.isDestroyed()) {

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "hytale-f2p-launcher",
-  "version": "2.0.11",
+  "version": "2.1.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "hytale-f2p-launcher",
-      "version": "2.0.11",
+      "version": "2.1.0",
       "license": "MIT",
       "dependencies": {
         "adm-zip": "^0.5.10",
@@ -14,6 +14,7 @@
         "discord-rpc": "^4.0.1",
         "dotenv": "^17.2.3",
         "electron-updater": "^6.7.3",
+        "fs-extra": "^11.3.3",
         "tar": "^6.2.1",
         "uuid": "^9.0.1"
       },
@@ -147,6 +148,21 @@
         "global-agent": "^3.0.0"
       }
     },
+    "node_modules/@electron/get/node_modules/fs-extra": {
+      "version": "8.1.0",
+      "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-8.1.0.tgz",
+      "integrity": "sha512-yhlQgA6mnOJUKOsRUFsgJdQCvkKhcz8tlZG5HBQfReYZy46OwLcY+Zia0mtdHsOo9y/hP+CxMN0TU9QxoOtG4g==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "graceful-fs": "^4.2.0",
+        "jsonfile": "^4.0.0",
+        "universalify": "^0.1.0"
+      },
+      "engines": {
+        "node": ">=6 <7 || >=8"
+      }
+    },
     "node_modules/@electron/notarize": {
       "version": "2.5.0",
       "resolved": "https://registry.npmjs.org/@electron/notarize/-/notarize-2.5.0.tgz",
@@ -345,34 +361,6 @@
         "balanced-match": "^1.0.0"
       }
     },
-    "node_modules/@electron/universal/node_modules/fs-extra": {
-      "version": "11.3.3",
-      "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-11.3.3.tgz",
-      "integrity": "sha512-VWSRii4t0AFm6ixFFmLLx1t7wS1gh+ckoa84aOeapGum0h+EZd1EhEumSB+ZdDLnEPuucsVB9oB7cxJHap6Afg==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "graceful-fs": "^4.2.0",
-        "jsonfile": "^6.0.1",
-        "universalify": "^2.0.0"
-      },
-      "engines": {
-        "node": ">=14.14"
-      }
-    },
-    "node_modules/@electron/universal/node_modules/jsonfile": {
-      "version": "6.2.0",
-      "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-6.2.0.tgz",
-      "integrity": "sha512-FGuPw30AdOIUTRMC2OMRtQV+jkVj2cfPqSeWXv1NEAJ1qZ5zb1X6z1mFhbfOB/iy3ssJCD+3KuZ8r8C3uVFlAg==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "universalify": "^2.0.0"
-      },
-      "optionalDependencies": {
-        "graceful-fs": "^4.1.6"
-      }
-    },
     "node_modules/@electron/universal/node_modules/minimatch": {
       "version": "9.0.5",
       "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-9.0.5.tgz",
@@ -389,16 +377,6 @@
         "url": "https://github.com/sponsors/isaacs"
       }
     },
-    "node_modules/@electron/universal/node_modules/universalify": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/universalify/-/universalify-2.0.1.tgz",
-      "integrity": "sha512-gptHNQghINnc/vTGIk0SOFGFNXw7JVrlRUtConJRlvaw6DuX0wO5Jeko9sWrMBhh+PsYAZ7oXAiOnf/UKogyiw==",
-      "dev": true,
-      "license": "MIT",
-      "engines": {
-        "node": ">= 10.0.0"
-      }
-    },
     "node_modules/@electron/windows-sign": {
       "version": "1.2.2",
       "resolved": "https://registry.npmjs.org/@electron/windows-sign/-/windows-sign-1.2.2.tgz",
@@ -421,50 +399,6 @@
         "node": ">=14.14"
       }
     },
-    "node_modules/@electron/windows-sign/node_modules/fs-extra": {
-      "version": "11.3.3",
-      "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-11.3.3.tgz",
-      "integrity": "sha512-VWSRii4t0AFm6ixFFmLLx1t7wS1gh+ckoa84aOeapGum0h+EZd1EhEumSB+ZdDLnEPuucsVB9oB7cxJHap6Afg==",
-      "dev": true,
-      "license": "MIT",
-      "optional": true,
-      "peer": true,
-      "dependencies": {
-        "graceful-fs": "^4.2.0",
-        "jsonfile": "^6.0.1",
-        "universalify": "^2.0.0"
-      },
-      "engines": {
-        "node": ">=14.14"
-      }
-    },
-    "node_modules/@electron/windows-sign/node_modules/jsonfile": {
-      "version": "6.2.0",
-      "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-6.2.0.tgz",
-      "integrity": "sha512-FGuPw30AdOIUTRMC2OMRtQV+jkVj2cfPqSeWXv1NEAJ1qZ5zb1X6z1mFhbfOB/iy3ssJCD+3KuZ8r8C3uVFlAg==",
-      "dev": true,
-      "license": "MIT",
-      "optional": true,
-      "peer": true,
-      "dependencies": {
-        "universalify": "^2.0.0"
-      },
-      "optionalDependencies": {
-        "graceful-fs": "^4.1.6"
-      }
-    },
-    "node_modules/@electron/windows-sign/node_modules/universalify": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/universalify/-/universalify-2.0.1.tgz",
-      "integrity": "sha512-gptHNQghINnc/vTGIk0SOFGFNXw7JVrlRUtConJRlvaw6DuX0wO5Jeko9sWrMBhh+PsYAZ7oXAiOnf/UKogyiw==",
-      "dev": true,
-      "license": "MIT",
-      "optional": true,
-      "peer": true,
-      "engines": {
-        "node": ">= 10.0.0"
-      }
-    },
     "node_modules/@isaacs/balanced-match": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/@isaacs/balanced-match/-/balanced-match-4.0.1.tgz",
@@ -2612,18 +2546,38 @@
       }
     },
     "node_modules/fs-extra": {
-      "version": "8.1.0",
-      "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-8.1.0.tgz",
-      "integrity": "sha512-yhlQgA6mnOJUKOsRUFsgJdQCvkKhcz8tlZG5HBQfReYZy46OwLcY+Zia0mtdHsOo9y/hP+CxMN0TU9QxoOtG4g==",
-      "dev": true,
+      "version": "11.3.3",
+      "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-11.3.3.tgz",
+      "integrity": "sha512-VWSRii4t0AFm6ixFFmLLx1t7wS1gh+ckoa84aOeapGum0h+EZd1EhEumSB+ZdDLnEPuucsVB9oB7cxJHap6Afg==",
       "license": "MIT",
       "dependencies": {
         "graceful-fs": "^4.2.0",
-        "jsonfile": "^4.0.0",
-        "universalify": "^0.1.0"
+        "jsonfile": "^6.0.1",
+        "universalify": "^2.0.0"
       },
       "engines": {
-        "node": ">=6 <7 || >=8"
+        "node": ">=14.14"
+      }
+    },
+    "node_modules/fs-extra/node_modules/jsonfile": {
+      "version": "6.2.0",
+      "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-6.2.0.tgz",
+      "integrity": "sha512-FGuPw30AdOIUTRMC2OMRtQV+jkVj2cfPqSeWXv1NEAJ1qZ5zb1X6z1mFhbfOB/iy3ssJCD+3KuZ8r8C3uVFlAg==",
+      "license": "MIT",
+      "dependencies": {
+        "universalify": "^2.0.0"
+      },
+      "optionalDependencies": {
+        "graceful-fs": "^4.1.6"
+      }
+    },
+    "node_modules/fs-extra/node_modules/universalify": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/universalify/-/universalify-2.0.1.tgz",
+      "integrity": "sha512-gptHNQghINnc/vTGIk0SOFGFNXw7JVrlRUtConJRlvaw6DuX0wO5Jeko9sWrMBhh+PsYAZ7oXAiOnf/UKogyiw==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 10.0.0"
       }
     },
     "node_modules/fs-minipass": {
@@ -3238,9 +3192,9 @@
       "license": "MIT"
     },
     "node_modules/lodash": {
-      "version": "4.17.21",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
-      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==",
+      "version": "4.17.23",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.23.tgz",
+      "integrity": "sha512-LgVTMpQtIopCi79SJeDiP0TfWi5CNEc/L/aRdTh3yIvmZXTnheWpKjSZhnvMl8iXbC1tFg9gdHHDMLoV7CnG+w==",
       "dev": true,
       "license": "MIT"
     },
@@ -4530,6 +4484,7 @@
       "version": "6.2.1",
       "resolved": "https://registry.npmjs.org/tar/-/tar-6.2.1.tgz",
       "integrity": "sha512-DZ4yORTwrbTj/7MZYq2w+/ZFdI6OZ/f9SFHR+71gIVUZhOQPHzVCLpvRnPgyaMpfWxxk/4ONva3GQSyNIKRv6A==",
+      "deprecated": "Old versions of tar are not supported, and contain widely publicized security vulnerabilities, which have been fixed in the current version. Please update. Support for old versions may be purchased (at exhorbitant rates) by contacting i@izs.me",
       "license": "ISC",
       "dependencies": {
         "chownr": "^2.0.0",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "hytale-f2p-launcher",
-  "version": "2.0.11",
+  "version": "2.1.0",
   "description": "A modern, cross-platform launcher for Hytale with automatic updates and multi-client support",
   "homepage": "https://github.com/amiayweb/Hytale-F2P",
   "main": "main.js",
@@ -50,6 +50,7 @@
     "discord-rpc": "^4.0.1",
     "dotenv": "^17.2.3",
     "electron-updater": "^6.7.3",
+    "fs-extra": "^11.3.3",
     "tar": "^6.2.1",
     "uuid": "^9.0.1"
   },

preload.js

@@ -2,7 +2,7 @@ const { contextBridge, ipcRenderer } = require('electron');
 
 contextBridge.exposeInMainWorld('electronAPI', {
   launchGame: (playerName, javaPath, installPath, gpuPreference) => ipcRenderer.invoke('launch-game', playerName, javaPath, installPath, gpuPreference),
-  installGame: (playerName, javaPath, installPath) => ipcRenderer.invoke('install-game', playerName, javaPath, installPath),
+  installGame: (playerName, javaPath, installPath, branch) => ipcRenderer.invoke('install-game', playerName, javaPath, installPath, branch),
   closeWindow: () => ipcRenderer.invoke('window-close'),
   minimizeWindow: () => ipcRenderer.invoke('window-minimize'),
   maximizeWindow: () => ipcRenderer.invoke('window-maximize'),
@@ -23,11 +23,17 @@ contextBridge.exposeInMainWorld('electronAPI', {
   loadLanguage: () => ipcRenderer.invoke('load-language'),
   saveCloseLauncher: (enabled) => ipcRenderer.invoke('save-close-launcher', enabled),
   loadCloseLauncher: () => ipcRenderer.invoke('load-close-launcher'),
+
+  // Harwadre Acceleration
+  saveLauncherHardwareAcceleration: (enabled) => ipcRenderer.invoke('save-launcher-hw-accel', enabled),
+  loadLauncherHardwareAcceleration: () => ipcRenderer.invoke('load-launcher-hw-accel'),
+
   selectInstallPath: () => ipcRenderer.invoke('select-install-path'),
   browseJavaPath: () => ipcRenderer.invoke('browse-java-path'),
   isGameInstalled: () => ipcRenderer.invoke('is-game-installed'),
   uninstallGame: () => ipcRenderer.invoke('uninstall-game'),
   repairGame: () => ipcRenderer.invoke('repair-game'),
+  retryDownload: (retryData) => ipcRenderer.invoke('retry-download', retryData),
   getHytaleNews: () => ipcRenderer.invoke('get-hytale-news'),
   openExternal: (url) => ipcRenderer.invoke('open-external', url),
   openExternalLink: (url) => ipcRenderer.invoke('openExternalLink', url),
@@ -44,7 +50,14 @@ contextBridge.exposeInMainWorld('electronAPI', {
   selectModFiles: () => ipcRenderer.invoke('select-mod-files'),
   copyModFile: (sourcePath, modsPath) => ipcRenderer.invoke('copy-mod-file', sourcePath, modsPath),
   onProgressUpdate: (callback) => {
-    ipcRenderer.on('progress-update', (event, data) => callback(data));
+    ipcRenderer.on('progress-update', (event, data) => {
+      // Ensure data includes retry state if available
+      if (data && typeof data === 'object') {
+        callback(data);
+      } else {
+        callback(data);
+      }
+    });
   },
   onProgressComplete: (callback) => {
     ipcRenderer.on('progress-complete', () => callback());
@@ -68,6 +81,10 @@ contextBridge.exposeInMainWorld('electronAPI', {
   loadGpuPreference: () => ipcRenderer.invoke('load-gpu-preference'),
   getDetectedGpu: () => ipcRenderer.invoke('get-detected-gpu'),
 
+  saveVersionBranch: (branch) => ipcRenderer.invoke('save-version-branch', branch),
+  loadVersionBranch: () => ipcRenderer.invoke('load-version-branch'),
+  loadVersionClient: () => ipcRenderer.invoke('load-version-client'),
+
   acceptFirstLaunchUpdate: (existingGame) => ipcRenderer.invoke('accept-first-launch-update', existingGame),
   markAsLaunched: () => ipcRenderer.invoke('mark-as-launched'),
   onFirstLaunchUpdate: (callback) => {
@@ -103,5 +120,23 @@ contextBridge.exposeInMainWorld('electronAPI', {
     activate: (id) => ipcRenderer.invoke('profile-activate', id),
     delete: (id) => ipcRenderer.invoke('profile-delete', id),
     update: (id, updates) => ipcRenderer.invoke('profile-update', id, updates)
+  },
+
+  // Launcher Update API
+  checkForUpdates: () => ipcRenderer.invoke('check-for-updates'),
+  downloadUpdate: () => ipcRenderer.invoke('download-update'),
+  installUpdate: () => ipcRenderer.invoke('install-update'),
+  getLauncherVersion: () => ipcRenderer.invoke('get-launcher-version'),
+  onUpdateAvailable: (callback) => {
+    ipcRenderer.on('update-available', (event, data) => callback(data));
+  },
+  onUpdateDownloadProgress: (callback) => {
+    ipcRenderer.on('update-download-progress', (event, data) => callback(data));
+  },
+  onUpdateDownloaded: (callback) => {
+    ipcRenderer.on('update-downloaded', (event, data) => callback(data));
+  },
+  onUpdateError: (callback) => {
+    ipcRenderer.on('update-error', (event, data) => callback(data));
   }
 });