Patch Notes
Update Matrix
For updating Matrix OS. See Update Matrix OS
Matrix OS 3.0 - Make Some Noise, Shape It Your Way
Released: November 8th, 2025
Matrix OS 3.0 brings long awaited Python application support, file system capabilities, and super enhanced Note App with powerful new musical features.
New Features
- Python Application Support : Write your own apps directly in Python
- Python REPL: Interactive Python shell for real-time coding and experimenting.
- Matrix OS File System API: File system for applications to use
- Micro SD Support: Load APP from Micro SD cards
- USB Mass Storage Mode: Access your SD card from your computer
- Note App V2: Complete rewrite with modern interface, new layouts, and expressive features
- Note App V2 - Control Bar: New controls bar for pitchbend, transpose control, octave, swap layout, and set of features
- Note App V2 - Note Latch: Latch note with one toggle
- Note App V2 - Chord Mode: Perform chord using a key combo
- Note App V2 - Arpeggiator: Advanced arpeggiator with multiple modes and configurations
- Note App V2 - Custom Scale: Build your own scales
- Note App V2 - Diatonic Scale: Play in scale with modern diatonic options
- Note App V2 - MIDI Clock Out: Send MIDI clock sync to external hardware and DAWs
- Lighting App BPM Sync: Synchronize lighting effect to BPM for audio-visual scenario
- Fast Text Scroll System: Advance mode for faster text scroll, making you recall function quickly
- Customizable Application Launcher: Create sections, rearrange, and hide apps from your application launcher
- C++ Application Repo Linking: Matrix OS now can link and compile user app from remote repo by just adding a line in application list
Improvements
- Enhanced LED performance: Reduced glitching and improved visual quality
- Faster and smoother UI transitions: Better user experience throughout the system
- Improved system responsiveness: Overall stability and performance enhancements
- Numerous system-wide refinements: Better reliability across all applications
Bug Fixes
- Resolved Note App display and control inconsistencies: Better user interface behavior
- General stability fixes: Across all apps for improved reliability
Changes
- System-wide UI rework: A lot of APP got their UI tweaked, most noticeable one is that brightness control and rotation control will be in system setting only now.
- Poly Playground App removed: Fully integrated into Note App V2
Matrix OS 2.6 - Control More, Customize More, Play More
Released: April 26, 2025
New Matrix OS brings powerful new tools, optimizations, and fun features to further unleash the potential of Mystrix!
New Features
- Custom Control Map App: Super powerful, live configurable customizable control surface. Customize yours using edit.203.io
- Poly Playground App: Inspired by Poly Playground iOS app (Demo; merged into Note App V2 in Matrix OS 2.7)
- Strum App Beta 🪕: Play your Mystrix like an Omnichord using the 2 touch strips
- System-level SysEx and HID APIs: Beta feature for advanced integrations
- Auto Note Off: Note App and Performance App action menus now auto-send all notes off signal (CC 123)
Improvements
- Mystrix Standard Keypad Driver: Enhanced responsiveness and accuracy
- General Device Optimization: Smoother and more responsive system-wide performance
Bug Fixes
- Fixed Mystrix touchbar toggle state not saving correctly
- Fixed Reversi Game App visual updates
- Fixed Reversi Game App reset logic
- Fixed Mystrix Pro pre-KC batch device config not loading correctly
Known Issues
- Custom Control Map App currently only sends SysEx via USB MIDI port 1
- Strum App will crash if Mystrix is not facing up or down
Matrix OS 2.5 - Taste of Matrix OS
Released: October 25, 2024
Added many useful, cool, or random features to the OS. It's a great showcase of what Matrix OS & Mystrix is capable of.
New Features
- System Global Animation: Toggleable system-wide animations
- Companion App Integration: BitFocus Companion support
- Game Pad App: Demo for customizable keymap functionality
- Dice App: Digital dice roller
- Reversi Game App: Classic board game implementation
- Performance App Touch Combo Key: Enhanced performance controls
- Better LED Subsystem: Dithering support for smoother gradients
- LED Partition: Adjustable brightness multiplier for Mystrix Pro Underglow
- Dual MIDI Port: Apollo Studio connectivity without special drivers
- Enhanced Underglow: Boot animation and Note App note view
- Toggle Button Feedback: Shows On/Off in text scroll
- Mystrix Pro Keypad User Calibration: Custom sensitivity adjustment
- Note App Vertical Split: Split pad vertically for dual zones
- Performance App Palettes: 4 customizable color palettes
Updates
- Lighting App V2: Major update with new features
Improvements
- Color Picker UI: Enhanced user interface
- Keypad Driver: Better performance for Mystrix Standard & Pro
- LED Brightness Steps: More granular control
- Bluetooth Secure Connection: Windows and Android support (via @M4kI9H7)
Bug Fixes
- Fixed apps out of order in App Launcher
- Fixed memory leaks
- Fixed Performance App Flicker Reduction Toggle
- Fixed Note App overlap default value display
- Fixed issue sending special MIDI packets
Changes
- Device Naming: Now shows Mystrix / Mystrix Pro in device name
- Device Settings Page: New dedicated page for device-specific settings
Removed
- Performance App Compatibility Mode: Unipad now supports Mystrix natively
Matrix OS 2.4.1 - Production Matrix Support
Released: July 9, 2023
New Features
- Production Hardware Support: Matrix & Matrix Pro (Rev C) now supported
Improvements
- Reworked Keypad Driver: Enhanced driver for Matrix devices
Matrix OS 2.4 - Apollo Studio Support
Released: January 21, 2023
New Features
- MIDI SysEx Support: Full SysEx implementation (USB MIDI only)
- Apollo Studio Integration: Experimental Performance Mode support
Bug Fixes
- Fixed USB MIDI on macOS
Improvements
- USB MIDI Driver: Enhanced performance
- LED Backend: Improved stability
Matrix OS 2.3
Released: December 26, 2022
Changes
- ESP-IDF V5.0: Rebased Matrix OS for ESP32 family on latest framework
- High-Performance Keypad Driver: Enabled for Matrix Pro
Bug Fixes
- Fixed LEDs not appearing at lowest brightness setting
Matrix OS 2.2.1
Released: December 1, 2022
Bug Fixes
- Fixed keypad velocity remap calculation
Matrix OS 2.2
Released: December 1, 2022
New Features
- Piano & Scale App: Musical keyboard application
Changes
- Default Boot: OS now boots into Application Launcher by default
- Brightness Range: Fine tune menu changed from 0-255 to 0-100
- OS Kernel Overhaul: Complete rewrite of kernel and UI framework
- Matrix Pro Underglow: Increased brightness multiplier
Matrix OS 2.1.1
Released: October 17, 2022
Changes
- Velocity Calibration: Matrix Pro custom velocity sensing no longer requires reboot (reverting to default still requires reboot)
Bug Fixes
- Fixed velocity curve remapping
- Fixed Velocity Sensitivity toggle
- Fixed incorrect UI names
- Fixed UI elements leaking long press input to base UI
Matrix OS 2.1 - The "Should Been the Launch Version" Update
Released: October 6, 2022
New Features
- Device ID System: Unique device identification
- Brightness Control Menu: Dedicated brightness adjustment interface
- Matrix Pro Velocity Sensitivity Recalibration: Custom velocity response tuning
Bug Fixes
- Fixed Unipad support (via compatibility mode)
Matrix OS 2.0 - First Stable Release
Released: Augest 13, 2022
Initial stable release of Matrix OS 2.0.
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