Citron Version 0.11.0

Citron v0.11.0 is a cutting-edge Nintendo Homebrew emulator, now released with notable enhancements. It introduces native ARM64 support for Windows, bettering performance on ARM devices. Key updates include Snapdragon 8 Elite GPU optimization, a streamlined per-game cheat management interface, and improved compatibility with firmware versions 20.0.0-21.0.0. User interface upgrades include theme system overhauls, modern game list toolbars, and enhanced multiplayer functionality. Performance improvements encompass metadata caching and reduced latency in multiplayer sessions. Additionally, critical bug fixes address crashes and UI synchronization issues. Overall, this version significantly enhances gaming experience with improved stability and usability across platforms.

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Citron v0.11.0 has been released. Citron is a state-of-the-art Nintendo Homebrew emulator designed for optimal performance and user-friendliness. Whether you’re revisiting beloved games or venturing into new titles, Citron offers a streamlined experience.

Citron Changelog:
Major Features
ARM64 Windows Support
Native support for ARM64 architecture on Windows:
Full ARM64 compilation – Citron now fully operates on Windows ARM64 devices
Optimized for ARM processors – Enhanced performance on Surface Pro X, Windows on ARM laptops, and similar devices
Cross-architecture compatibility – Smooth experience across x86_64 and ARM64 Windows platforms
Snapdragon 8 Elite GPU Support
Improved mobile GPU compatibility and shader functionalities:
Snapdragon 8 Elite optimization – Tailored support for Qualcomm’s latest flagship mobile GPU
Advanced shader features – Enhanced shader compilation and execution for Adreno GPUs
Improved mobile performance – Optimized rendering pipeline for high-end Android devices
Per-Game Cheat Management
New user interface for cheat management:
Dedicated cheat management tab – Configuration interface for per-game cheats
Bulk toggle controls – One-click buttons to enable/disable all cheats
Real-time cheat reloading – Changes apply instantly without needing a game restart
Organized cheat list – Neat, sortable interface for managing multiple cheats per game
Firmware 20.0.0-21.0.0 Support
Compatibility with the latest firmware:
IPC support – Comprehensive Inter-Process Communication support for firmware 20.0.0-21.0.0
System service stubs – Correct stubbing of newly required system services for the latest games
Future-proof compatibility – Support for titles needing the newest firmware versions
Major Improvements
User Interface
Updater Enhancements
Better update notifications and controls:
“Don’t check on startup” option – Added checkbox to prevent automatic update checks on launch
Re-enable updates in General tab – Simple checkbox in General settings for reactivating updates if previously turned off
Improved update control – More precise management over when and how updates are checked
Theme System Overhaul
Extensive theme improvements throughout the application:
Theme-aware overlays – All overlays now adapt correctly to light and dark themes
Dynamic theme adaptation – Automatic updates when system theme changes
Multiplayer overlay theming – Multiplayer interface adheres to theme settings
Adaptive styling fixes – Consistent color schemes across all UI components
Race condition fixes – Addressed UI/OS theme synchronization issues
Properties window enhancements – Enhanced display across all theme modes
Modern Game List Toolbar
Improved game library interface:
View mode controls – Quick toggle between list and grid views
Title size slider – Adjustable font size for game titles for better visibility
Sorting controls – One-click alphabetical sorting (A-Z / Z-A) with visual indicators
Integrated search – Search box within toolbar for smoother workflow
Consistent styling – Modern, theme-efficient toolbar design
Performance
Game Metadata Caching
Significant performance enhancements for the game library:
Faster library loading – Cached game metadata noticeably speeds up game list loading
Persistent cache – Game information persists between sessions
Smart cache invalidation – Automatic updates to cache when game files change
Reduced disk I/O – Minimized file system access during library scans
Multiplayer & Networking
Enhanced Multiplayer Functionality
Better local network multiplayer experience:
Room functionality outside games – Create and manage multiplayer rooms independently of the game
Reduced latency – Network enhancements for smoother multiplayer play
Airplane mode support – Improved handling of network state changes
Network stability improvements – More reliable connections and error recovery
Bug Fixes
Critical Fixes
Race condition in theme system: Fixed UI/OS theme synchronization race condition causing display issues
AVGN 8-bit crash: Resolved crash by correctly stubbing ISettingsServer function 12
Little Nightmares 3 compatibility: Implemented PC return recovery specifically for Little Nightmares 3 to fix null pointer execution issues
QJsonValue conversion: Fixed ambiguity in game_list_worker.cpp causing compilation errors
Platform-Specific Fixes
Windows
Full support and testing for ARM64 architecture
Enhanced build system for cross-architecture compilation
Android
Detection and optimization for Snapdragon 8 Elite GPU
Improved shader feature detection for mobile GPUs
UI Fixes
Resolved all theme-related display inconsistencies across light and dark modes
Multiplayer overlay is now properly themed
Game list toolbar displays correctly in all view modes
Cheat management interface is correctly integrated into game properties
Kernel & Memory Fixes
CheckMemoryStateContiguous usage: Improved memory state checking in UnmapCodeMemory for enhanced stability
Memory management: Upgraded memory state validation for code memory operations
Technical Details
Architecture Changes
Code Organization
TitleID utility class – Centralized management of game title IDs with game-specific constants
Game metadata caching system – New infrastructure for performance boosts
Theme system refactoring – Enhanced logic for theme adaptation across UI components
Build System Improvements
ARM64 Windows toolchain – Full CMake support for Windows ARM64 builds
vcpkg updates – Updated dependencies for ARM64 compatibility
Cross-compilation support – Enhanced facilitation for building across various architectures
New Files Added
src/citron/configuration/configure_per_game_cheats.cpp
src/citron/configuration/configure_per_game_cheats.h
src/citron/util/title_ids.h
Implementation of game metadata caching in game_list_worker.cpp
Modern toolbar implementation in game_list.cpp
Theme adaptation enhancements across UI files
API & Service Updates
Firmware 20.0.0-21.0.0 IPC – Introduction of new IPC commands and service interfaces
ISettingsServer function 12 – Correct stub implementation
Memory management APIs – Improved usage of CheckMemoryStateContiguous
Known Issues
Some very old Android devices may still experience compatibility challenges with specific games
ARM64 Windows builds may exhibit reduced performance in certain workloads compared to x86_64
Theme switching may momentarily flash during quick system theme changes
Game Compatibility Highlights
Improved Compatibility
Little Nightmares 3 – Resolved null pointer execution crashes with PC return recovery
AVGN 8-bit – Fixed startup crash with appropriate settings service stubbing
Titles requiring firmware 20.0.0-21.0.0 are now completely supported
Enhanced compatibility with games utilizing advanced shader features on mobile GPUs