Citron v0.9.0 is released. Citron is a cutting-edge Nintendo Homebrew emulator designed for performance and ease of use. Whether you're diving into your favorite games or exploring new ones, Citron delivers an optimized experience.

Citron Changelog:
This release brings substantial improvements to stability, accuracy, and user experience while maintaining our commitment to excellence and community collaboration.
Acknowledgments & Credits
Research & Development
LotP (Ryubing/Ryujinx): HID implementation, SDK20 support, and REV15 audio architecture - the reverse engineering genius behind these breakthroughs
GreemDev (Ryubing/Ryujinx): Continued development and maintenance work on Ryubing & GLI ;) <3
MaxLastBreath: Extensive testing, invaluable insights, and creator of NX Optimizer - the best performance mods for BotW, TotK, and more
The Way Of The Wind Discord Community: For their ongoing support, testing, and feedback
The Citron Discord Community
Testing & Quality Assurance
Dr.Stug: Thorough testing, detailed logging, and hardware compatibility reports
Tetsuya Takahashi: Extensive testing across multiple titles and configurations
Hayate Yoshida: Dedicated testing and quality assurance
Gamerz: Dedicated testing
The Citron Team
Collecting: Experienced developer bringing valuable expertise, UI improvements, Linux maintenance, and new features to Citron
A massive thank you to all Citron contributors who made this release possible through countless hours of development, testing, and refinement!
A Note on Attribution
We believe in giving credit where credit is due. All major features in this release were developed by the Citron team or adapted from properly credited sources like LotP's groundbreaking research. We take pride in transparent development and always acknowledge our sources - because that's what ethical developers do.
Major Features
Firmware 20.x Support
Citron now supports the latest Nintendo Switch firmware:
✅ Firmware 20.x fully operational - Complete compatibility with the newest system software
✅ Improved applet handling - Better system applet support
✅ Enhanced system services - Proper services implementation
✅ Backward compatibility maintained - All previous firmware versions remain supported
Advanced Autoloader System (W.I.P.)
Introducing our intelligent content loading system:
Automatic mod detection and loading from multiple locations
Layer-based priority system for mod conflicts
romfslite support for Atmosphere 1.9.5 compatibility
Seamless integration with existing mod workflows
Per-game configuration support
Status: Work in Progress - expect refinements in upcoming releases
XCI Trimmer
Optimize your game storage with our new XCI trimming tool:
Remove padding and unused space from XCI dumps
Reduce file sizes significantly without data loss
Integrated UI for easy operation
Batch processing support
Safe and reversible - original data integrity preserved
Multiplayer Room Overlay
Enhanced multiplayer experience with visual feedback:
Real-time room status display overlay
Connection quality indicators
Player count and room information
Non-intrusive design that doesn't interfere with gameplay
Auto-generate multiplayer tokens for easier setup
Auto-Updater System
Stay current effortlessly:
Automatic update detection on launch
One-click updating with progress tracking
Release notes display before updating
Rollback support if needed
Available on Desktop and Android
ZIP Firmware Installation
Simplified firmware installation process:
Install firmware directly from ZIP archives
No manual extraction required
Validation and verification built-in
Progress tracking during installation
Major Improvements
Filesystem & Save Data
Enhanced NCA Handling
Missing encryption type support added
Improved patch handling for game updates
Better decryption performance - Significantly faster game startup, especially with mods
Graphics & Rendering
Vulkan Rendering Enhancements
Fixed flickering objects and texture corruption - Major stability improvement (Conditional Renderer)
Extended Dynamic State user setting for better performance
Conditional rendering control setting for compatibility
Improved memory allocation - Better R/W speed
Shader Compiler Improvements
Alpha-to-coverage fragment output interface fixed
Missing texture types for SURED instruction added
Additional missing instructions implemented across multiple commits
Better error handling and validation
Multiplayer & Networking
Auto-generate multiplayer tokens - No more manual token creation
Multiplayer room overlay - Visual feedback for online play
BSD socket fixes - Resolved assertion failures in PollImpl
Improved connection stability
System Services & Applets
Library Applet Support
ILibraryAppletCreator commands implemented
ILibraryAppletAccessor commands implemented
Better applet transitions and state management
Memory Management
12 GiB heap support - For games that need massive memory allocation
Race condition fixes - Prevented race condition on unmapped memory reads
Improved memory mapping performance
HID & Controller Support
NpadCondition in shared memory - Fixes no-controller crash in newer games
Better controller detection - Resolves crashes from improper detection
Improved HID state handling for SDK20+ games
Android Improvements
Vulkan Validation Layers updated to 1.4.328.1
Fixed Zep Zone settings crash
User Interface
Resizable windows with memory - Window size and position now remembered correctly
Fixed non-fullscreen window handling
Improved About dialog with updated information
Wiki URLs replaced with Discord support links for better community assistance
Removed first-time telemetry popup - Cleaner initial experience
Bug Fixes
Critical Fixes
TotK crash prevention: Implemented DeleteCacheStorage stub
No-controller crash: Added NpadCondition to shared memory
Unmapped memory race condition: Prevented potential crashes (later reverted for alternative solution)
Android RAM overlay: Resolved instant crash when enabled
Game-Specific Fixes
Final Fantasy Tactics (010038B015560000): Disabled multi-core to prevent crashes
Various shader-related fixes for improved compatibility
Build System & Compilation
Android NDK compilation: Explicit float casts added
Qt6 migration: CI now uses system Qt6 packages
Python pip: Added to CI for Qt downloads
GitLab CI: Configuration cleanup
AppImage: Multiple fixes for proper building
Code Quality
ENUM macros converted to explicit enum class definitions for type safety (Thanks To MaxLastBreath)
Resolution ENUM fix: Changed default indexing to fix 1x resolution defaulting to 0.75x, ensuring NX Optimizer compatibility (Thanks To MaxLastBreath)
Copyright headers: Proper SPDX license identifiers added
Code refactoring: Improved maintainability across the codebase
Technical Details
Architecture Changes
Type Safety Improvements
Converted legacy ENUM macros to modern C++ enum classes
Better compile-time type checking
Improved code clarity and maintenance
Performance Optimizations
Improved game decryption - Significantly faster
Better memory mapping on Linux and Android
Discord RPC optimization - More efficient game image loading
New Files Added
src/citron/updater/
├── updater_dialog.h
├── updater_dialog.cpp
├── updater_service.h
└── updater_service.cpp
src/citron/multiplayer_room_overlay.h
src/citron/multiplayer_room_overlay.cpp
Multiple filesystem accuracy improvements across core/
Multiple autoloader implementation files (W.I.P.)
Known Issues
Autoloader is marked as Work in Progress - expect refinements
Amiibo support on Android is experimental
FSR2 and TAA remain experimental (carried over from previous releases)
Some firmware 20.x Home Menu features may have minor glitches
Community Notes
We believe in building a positive, collaborative community. While we've taken different architectural approaches in many areas, we acknowledge that the entire emulation ecosystem benefits when teams share knowledge and give credit where it's due.
This release demonstrates Citron's commitment to:
Accuracy and stability above all else
Professional development practices
Giving credit to all contributors, even when they don't reciprocate
Community collaboration over competition
We're the emulator that does things the right way, every time.
Statistics
Commits: 100+ commits since v0.8.0
Files Changed: 150+ files modified/added
Bug Fixes: 30+ critical and minor fixes
New Features: 8 major user-facing features
Platform Support: Desktop (Windows/Linux/macOS) and Android

Download: Citron v0.9.0 x64

Download: Citron v0.9.0 Android

Source:Here