Version 2.2 — Performance Engine Update This is a major evolution of midiOS as a performance instrument. • New Performance Mode Engine – Internal chord + arpeggiator system – Locked to incoming BPM and phase (Ableton-ready) – Continuous, musical arp behavior across chord changes • Aftertouch + Mod Wheel (Gesture Controlled) – Pull your finger toward you for Aftertouch – Tilt left/right for Mod Wheel – Now enabled by default and fully integrated into Performance Mode • Intelligent Arpeggiator (Rebuilt) – Phrase-aware timing and bar alignment – Musical note selection (less random, more connected) – Pentatonic flow, extensions, and passing tones – Improved groove, velocity, and timing – Reduced ghost notes and “chugging” • LiveGrid + Performance Controls – Long press the LiveGrid button to engage the chord/arp engine – Long-press edit buttons to access extended faders • Gesture System Enhancements – Split control between Aftertouch and Tilt – Improved XY blending and responsiveness – Orientation-aware behavior refined • Recalibration System – Tap a bank to instantly recalibrate tilt baseline – Visual + haptic feedback • Connection Stability Improvements – Better recovery between midiOS and Bridge – More reliable live performance sessions • Performance + Timing Fixes – Reduced MIDI blips and double triggers – Tighter arp timing and phase lock – Smoother note transitions and releases

What’s New in Version 2.1.12 • Added intelligent connection alerts for LiveGrid and LiveHub Real-time detection of midiOS Bridge and Ableton Live status, with clear recovery guidance. • Improved layout restore behavior Restoring App Defaults now correctly resets pad color state after relaunch.

What’s New — Version 2.1.11 Improved first-launch MIDI setup guidance, making it easier to get connected and start playing right away. Visit midios.app/setup for setup instructions.

What’s New — Version 2.1.10 We rebuilt the connection architecture between midiOS and the Bridge. iPhone now hosts (server) Bridge now joins (client) This role swap makes connections more consistent and reliable, especially when starting fresh sessions or switching networks.

Before installing, visit midios.app/setup for setup instructions, companion downloads, and troubleshooting. What’s New in midiOS 2.1.9 This update improves reliability and network robustness when using midiOS with computers over Wi-Fi and iPhone Hotspot. Improvements Significantly improved Network MIDI stability when using iPhone Hotspot or wireless connections. Removed reliance on fixed IP addresses, ensuring midiOS now works reliably across different routers and networks. More resilient RTP-MIDI connections, preventing unexpected disconnects during idle periods. Smoother reconnect behavior when returning to the app after minimizing. Under the Hood Safer and more adaptive network handling for wireless MIDI sessions Additional reliability refinements across CoreMIDI connection management No changes to USB performance, latency, or MIDI routing behavior.

Before installing, visit midios.app/setup for setup instructions, companion downloads, and troubleshooting. What’s New in midiOS 2.1.8 Improved connection reliability when switching apps. Fixed an issue where external feedback could stop after inactivity. Stability improvements.

Before installing, visit midios.app/setup for setup instructions and companion downloads. What's new is 2.1.7: Stability and reliability improvements Improved network connection stability Fixed an issue where external device feedback could stop after inactivity More robust reconnection handling when switching apps or networks

What’s New in midiOS 2.1.6 Before installing, visit midios.app/setup for setup instructions, companion downloads, and troubleshooting. This update includes refinements to LiveGrid behavior, background handling, and a small visual update. Highlights • Improved coordination between Mini LiveGrid and LiveGrid • Enhanced MIDI continuity when the app is minimized or brought back to the foreground • Refreshed the facial icon for a cleaner, more consistent look

What’s New in midiOS 2.1.5 This update focuses on stability, visual consistency, and performance flow across LiveGrid, Launchpad, and control interactions. This is a major refinement pass focused on stability, consistency, and performance flow, especially across chords, LiveGrid, Launchpad, and portrait control interactions. Highlights • Major reliability and safety improvements across core interaction and routing systems • Refined chord handling, including improved 7th chord support and clearer visual indicators for triads vs. 7ths • Improved chord dot indicators, with cleaner spacing and visibility across all pad colors and banks • Significantly improved sharps / flats switching, with no unnecessary pad redraws or visual flicker • Pad colors now persist correctly when switching between Note and Chord states • Mini LiveGrid fully refined and stabilized, with improved layout, spacing, and behavior across multiple iterations • New D-pad navigation in Portrait Launchpad, enabling fast, reliable channel navigation • Unified navigation behavior — grid movement, faders, and channel state now update together for a more hardware-like feel • Portrait Launchpad spacing and offsets corrected, improving balance and usability • Smoother, more predictable sliders, CC buttons, ENV buttons, and toggle buttons • Long-press menus simplified and refined for faster performance flow • Drum pads now default to improved RGB behavior and channel handling • Fixed label visibility issues so pad names display consistently across all banks • General UI polish and internal cleanup, with multiple safety checkpoints to ensure reliable performance on stage This release continues the ongoing evolution of midiOS as a performance-ready MIDI instrument, emphasizing confidence, clarity, and tight visual-to-behavioral alignment during live use.

What’s New in midiOS 2.1.4 This update is a major refinement pass focused on stability, consistency, and performance flow, especially across chords, LiveGrid, Launchpad, and portrait control interactions. Highlights • Major reliability and safety improvements across core interaction and routing systems • Refined chord handling, including improved 7th chord support and clearer visual indicators for triads vs. 7ths • Improved chord dot indicators, with cleaner spacing and visibility across all pad colors and banks • Significantly improved sharps / flats switching, with no unnecessary pad redraws or visual flicker • Pad colors now persist correctly when switching between Note and Chord states • Mini LiveGrid fully refined and stabilized, with improved layout, spacing, and behavior across multiple iterations • New D-pad navigation in Portrait Launchpad, enabling fast, reliable channel navigation • Unified navigation behavior — grid movement, faders, and channel state now update together for a more hardware-like feel • Portrait Launchpad spacing and offsets corrected, improving balance and usability • Smoother, more predictable sliders, CC buttons, ENV buttons, and toggle buttons • Long-press menus simplified and refined for faster performance flow • Drum pads now default to improved RGB behavior and channel handling • Fixed label visibility issues so pad names display consistently across all banks • General UI polish and internal cleanup, with multiple safety checkpoints to ensure reliable performance on stage This release continues the ongoing evolution of midiOS as a performance-ready MIDI instrument, emphasizing confidence, clarity, and tight visual-to-behavioral alignment during live use.

Before installing, visit midios.app/setup for setup instructions, companion downloads, and troubleshooting. What’s New in Version 2.1.3 • ADSR envelopes now display a live graph for clearer visual feedback • New Latch, Hold, and Ramp envelope modes • Updated Facial Control icon • Facial Control now defaults to Pitch / Inversion mode • Improved XY pad spacing in Edit Mode for more reliable swiping • Pad Mode Gallery updated for better landscape viewing • Reset confirmation added to Presets • Cleaned up legacy and unused code for better performance and stability

Before installing, visit midios.app/setup for setup instructions, companion downloads, and troubleshooting. Version 2.1.2 Improves editor stability and responsiveness across the app. Fixes an issue where some editor controls could appear responsive but fail to commit changes. Edit Mode animations have been refined to ensure they never interfere with editing or configuration workflows. Includes general performance and reliability improvements.

midiOS Version 2.1.1 This release fixes an issue where pad types were not persisting when changing from scale to chord mode.

What’s New in 2.1.2 Edit Mode Improvements • Edit Mode behavior refined for clarity and flow • Exiting the editor now reliably turns off Edit Mode • Stronger visual feedback when Edit Mode is active • Bank buttons and pads now animate to clearly indicate editable state Animation & Interaction Polish • Bank button animations refined for timing, glow, and responsiveness • Pad animations improved for smoother, more readable feedback • Edit Mode button animation perfected for consistency and intent • Overall animation pacing tightened across the app LiveGrid Redesign • LiveGrid fully redesigned for visual clarity and performance • Improved color accuracy and consistency across LiveGrid buttons • Unified interaction behavior between LiveGrid and core midiOS controls UI & Visual Refinements • Removed redundant edit glyphs for a cleaner interface • Control Hub layout and transport buttons unified • Portrait home button and Control Hub styling improved • Facial control icon updated and better integrated Stability & Foundation • Internal cleanup of legacy views and unused components

Before installing, visit midios.app/setup for setup instructions, companion downloads, and troubleshooting. What’s New in Version 2.0.9 This update focuses on major improvements to XY control, envelope behavior, note labeling, and overall editing clarity and reliability. XY pad behavior has been significantly refined. Tilt control now routes directly into XY configuration, auto-assignment of MIDI CCs for X and Y is more reliable, and new CCs added to either axis no longer reset or conflict with existing mappings. XY mappings are cleaner, better organized, and automatically hide irrelevant CC controls when they are not needed. Envelope controls have been rebuilt for precision and consistency. ADSR mapping via tap-to-map is now reliable, envelopes correctly return to zero, resolution has been increased for smoother ramps, and envelope behavior now matches visual feedback exactly. Note naming has been improved across the app for clarity and consistency, removing ambiguous octave indicators and ensuring labels display correctly in all pad positions. The Control Hub layout has been refined again for better spacing and usability. A new Pad Mode Gallery system has been introduced, including multiple iterations of the gallery and cycle view, resulting in a complete and more intuitive browsing experience for pad modes. Overall, this release delivers more predictable MIDI behavior, clearer editing, smoother modulation, and a more polished performance workflow.

Before installing, visit midios.app/setup for setup instructions, companion downloads, and troubleshooting. Version 2.0.8 What’s New in MIDI OS 2.0.8 This update introduces a major new LiveGrid performance view along with significant improvements to MIDI reliability, layout consistency, and modulation control. A new Kill All / full MIDI reset is now available by holding the logo button. This instantly clears stuck notes, hung controllers, and broken MIDI states without requiring an app restart. Visual glow and haptic feedback confirm when the reset has been triggered. MIDI connection handling has been improved so the app no longer needs to be restarted after enabling iPhone MIDI. Incoming and outgoing MIDI now recover cleanly during live use. Bank options and LFO behavior have been fixed and refined. LFOs are now easier to access directly from Pad Edit, with safer defaults and more predictable restore behavior. An issue causing an oversized XY pad on Bank 8 has been fixed, and remaining drum-only mode artifacts have been removed. LiveGrid has been introduced as a new performance-focused grid. It integrates real transport controls, rebuilt D-pad and scene navigation, and unified home button behavior across the grid and Control Hub. Layout and spacing have been improved across all iPhone models, with specific tuning for iPhone 15 Pro and newer devices. Visual balance, alignment, and clarity have been refined throughout the grid and Control Hub. Playback animations now start and stop correctly in sync with clip state. Radial controls have been rebuilt for smoother timing and improved responsiveness.

Before installing, visit midios.app/setup for setup instructions, companion downloads, and troubleshooting. Version 2.0.7 Improved grid feedback stability and reliability when controlling Ableton Live.

Before installing, visit midios.app/setup for setup instructions, companion downloads, and troubleshooting. Version 2.0.6 Fixes Auto CC generator supplying XY pads with CC numbers. Each Xy pad will now behave the like knobs, sliders, etc., in getting a unique CC number auto-assigned to it. Fixes Auto CC generator from not resetting to default CC number when app is returned to default state. Welcome screen now includes directions to Midas.app/setup to encourage user to read full setup instructions. App Store descriptions and portraits.

Start at midios.app/setup for setup guides and companion tools. 2.0.5 updates includes: Update to the harmony engine now defaulting to 'Fixed Tonal Center' instead of 'Continuous Scales'. App Store portraits updated.

Updated App Store listing and promotional text New portrait screenshots

• Major reliability improvements to the Ableton feedback engine midiOS now receives real-time clip states, colors, track arms, macros, and mixer updates with far greater speed and stability. • Improved Wi-Fi and USB performance A new bridge pipeline dramatically reduces latency and increases responsiveness during live performance. • Updated Slider & Knob behavior Fixed issues with absolute mode and gesture handling to make parameter control smoother and more predictable. • Modernized Editor UI Pad Type selection now features an improved visual style consistent with Jump Mode controls. • General performance optimizations and bug fixes Dozens of under-the-hood refinements to make midiOS faster, more accurate, and more reliable on stage.

Improved background modes, enhanced network connectivity, and general performance refinements.

What’s New in Version 1.03 • Improved visibility and contrast for mixer controls in portrait mode • Updated segmented control styling for clearer Volume, Send A, and Send B selection • Enhanced readability of navigation and scene-launch buttons in Launchpad Mode • Refined UI elements for consistent appearance across Light and Dark Mode • General interface polishing for a smoother, more cohesive performance experience

This update enhances compatibility with the latest iOS 26 framework and resolves several visual issues on older devices. Stability and responsiveness have also been improved across all performance modes.