GeckoView 146.0.1

**New Features**
- GitHub and Google Play releases are using libre Fennec-style Gecko builds from now on (on par with F-Droid)
- Added encrypted profile backup and restore system with password protection
- Added bookmark import/export functionality
  - Support for HTML (Netscape format, Firefox/Chrome compatible) and JSON formats
  - Option to merge with existing bookmarks or replace completely
- Added private tab tracking system
  - Visual indicator (private icon) in address bar for private tabs
  - "Close All Private Tabs" button in tab view
- Added page content export capabilities
  - Export current page as PDF file
  - Copy page content as Markdown to clipboard
  - Save page content as Markdown file
- Added multiple tab view modes
  - Grid view: Traditional grid layout
  - List view: Compact list showing more tabs at once
  - Tree view: Hierarchical display of tab relationships
  - View mode preference persists across app restarts
- Added quick tab switcher and contextual navigation bar
  - Contextual bottom toolbar showing recently used tabs or ordered container tabs (configurable)
  - Dismissible to maximize screen space
- Added container filter for tree view to show container-specific tab hierarchies
- Added ML model download progress reporting with real-time indicators
- Added isolated container data clearing
  - Clear cookies, cache, and browsing data for specific containers
  - Option to clear container data on exit
- Added quit button to profile selector for complete app exit
- Added address bar auto-focus option for improved navigation UX

**Improvements**
- Complete tab bar overhaul
  - Consolidated menu buttons for cleaner interface
  - Tab reordering now opt-in via settings (not always enabled)
  - Tab bar dismissible to maximize viewing space
- Enhanced container color system
  - Tab bar color now matches current container's color theme
  - Selected containers use border instead of background color (improved visibility)
- Redesigned search interface
  - Improved visual hierarchy and layout
  - Better organization of suggestions, history, and results
  - Enhanced container chip display
  - More efficient use of screen space
- Improved tab handling and state management
  - Better tab duplication logic
  - Enhanced tab parent handling and hierarchy management
  - Refined tab insertion process
  - Removed tab deletion cache for simplified architecture
- Enhanced bookmark management
  - Assignable folder parents (move bookmarks between folders)
  - Improved bookmark entry editing interface
  - Better folder management and organization
- UI/UX enhancements
  - Tab icons displayed when screenshots unavailable
  - Less intense chip background colors for better readability
  - Auto-hide "Add New Tab" button for cleaner interface
  - Automatic UI reset after 30+ minutes of inactivity
  - Updated addon/extension layouts
  - Various icon updates throughout the app

**Bug Fixes**
- Fixed search field focus issues preventing proper keyboard interaction
- Fixed disposed provider exceptions that could cause crashes
- Fixed unmounted widget exceptions
- Fixed browser floating action button animation glitches
- Fixed tab container provider lifecycle coordination
- Fixed widget/provider lifecycle timing issues
- Fixed incorrect tab hierarchy when adding multiple tabs (parent ID handling)
- Fixed tab menu incorrectly showing for history items
- Improved animation smoothness throughout the app