Citron Version 0.10.0

Citron v0.10.0 is a Nintendo Homebrew emulator emphasizing performance and user experience. This release features mobile enhancements, input improvements, and critical bug fixes, enhancing game compatibility and platform stability. Key contributions include mod support for CTGP-DX, and network functionality improvements for local multiplayer. A redesigned Windows auto-updater resolves file locking issues and enhances secure downloads. The UI saw a major theme overhaul, ensuring consistency across platforms. Notable fixes address memory allocation crashes and rendering issues. The update supports Skyline-compatible homebrew, with CTGP-DX now fully functional. Acknowledgments are given to contributors and collaboration efforts within the emulation community.

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Citron v0.10.0 has been released. Citron is a state-of-the-art Nintendo Homebrew emulator created for optimal performance and user-friendliness. Whether you’re revisiting classic games or trying out new titles, Citron ensures a seamless experience.

Citron Changelog:
This version prioritizes enhancements for mobile, input refinements, and essential bug resolutions while increasing game compatibility and platform reliability.
Acknowledgments & Credits
Cross-Emulator Collaboration
TSRBerry (Ryujinx Developer): Initial Development for Skyline-dependent mod support
JPikachu (Eden Developer): CTGP-DX compatibility implementation – mip level clamping support that allows the leading Mario Kart 8 DX mod to operate flawlessly
Maufeat (Eden Developer): CTGP-DX compatibility
Testing & Quality Assurance
The Citron Discord Community: Ongoing valuable testing, feedback, and assistance
The Citron Team
A heartfelt thank you to all contributors who made this release attainable through development, testing, and enhancement!
A Note on Attribution
We uphold our dedication to transparent development and appropriate attribution. This version includes contributions adapted from the Eden emulator project, duly credited above. We believe the emulation community flourishes when teams collaborate and recognize each other’s efforts.
Major Features
Network & Multiplayer Services
Enhanced online capabilities based on official SwitchBrew documentation:
Complete Account service implementation – Proper management of user accounts
LDN (Local Network) services – Local multiplayer support for compatible titles
Updated firmware stubs – Improved compatibility with the latest games
Greater network stability – More dependable online connections
Windows Auto-Updater Overhaul
Thoroughly redesigned update system for Windows:
Fixed file locking issues – Updates no longer fail due to locked files
Deferred update helper – Updates are applied after Citron closes
TLS support – Secure update downloads
Enhanced logging – Improved diagnostics for troubleshooting
Qt6 TLS plugin integration – Proper HTTPS support
Major Improvements
Game Compatibility
CTGP-DX Support (Thanks to JPikachu/Maufeat from Eden & TSRBerry from Ryujinx)
CTGP-DX mod now operational! – Added mip level clamping support
The popular Mario Kart 8 DX custom track pack is entirely playable
Proper texture handling for modified content
Skyline Compatibility
32-bit code offset support – Enables Skyline-compatible homebrew and mods
Improved homebrew ecosystem compatibility
Greater support for community-driven content
User Interface
Theme System Overhaul
System theme integration – Automatically aligns with Windows/Linux light/dark theme
In-app theme selection – Override system theme if needed
Configuration dialog theming – All dialogs now adapt correctly to selected theme
Properties window corrections – Fixed display issues in light and dark modes
Consistent experience across all UI elements
Input & Controls
Hotkey System Enhancements
Fixed hotkey persistence – Your hotkey settings now save accurately
Controller overlay toggle hotkey – Dedicated hotkey added for overlay
Memory leak resolutions – Addressed crashes related to hotkey management
Bug Fixes
Critical Fixes
std::bad_alloc crash: Resolved memory allocation error that caused crashes with controller overlay
Windows updater file locking: Completely addressed update failures on Windows
Hotkey saving issue: Settings now persist correctly between sessions
Properties window display: Fixed rendering issues across various themes
Platform-Specific Fixes
Windows
Auto-updater file locking entirely resolved
Qt6 TLS plugin fully integrated for secure downloads
Android
Storage configuration and migration operate flawlessly
Better support for diverse GPU hardware
UI Fixes
Configuration dialogs now respect both system and in-app themes
Properties window renders correctly in all theme modes
Improved dialog consistency across platforms
Build System Fixes
FFmpeg issues resolved – Proper compilation across all platforms
title_ids.h corrections – Fixed compilation errors
CMake enhancements – Improved handling of external binaries
DownloadExternals – Platform-specific branch selections (Android ABI)
Technical Details
Architecture Changes
Code Organization
TitleID utility class – Refactored game title ID management into a dedicated utility
main.cpp restructuring – Enhanced maintainability and structure
Cleaner codebase – Improved separation of concerns
Build System Enhancements
External binaries as submodules – Enhanced version control (implemented, tested, reverted for alternative method)
Qt6 TLS plugin integration – Added to CopyCitronQt6Deps function
Platform-specific downloads – Android ABI-specific binary selection
CMake modernization – Enhanced build configuration
New Files Added
src/citron/updater/
├── Enhanced updater_service.cpp with deferred updates
└── Improved error handling and logging
Implementation of Android storage configuration
Controller overlay system files
Theme adaptation logic
Hotkey persistence fixes
Known Issues
Controller overlay is optimized but may require refinement for specific cases
Some Android devices with outdated GPU drivers may encounter compatibility issues
Auto-updater on Linux/macOS remains basic (Windows has seen significant improvements)
Game Compatibility Highlights
Now Playable
CTGP-DX – Custom track pack for Mario Kart 8 DX is now fully operational
Improved Compatibility
Enhanced support for Skyline-compatible homebrew
Titles requiring newer firmware network services
Games utilizing 32-bit code offsets