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

Version 2.1.12 focuses on professional integration and reliability.

We’ve redesigned the Ableton Live connection alert system to improve clarity, eliminate duplicate reconnect messages, and allow instant manual reconnection without restarting the app. The new system detects midiOS Bridge and Ableton status in real time, maintains LiveGrid access during reconnect, and behaves more like a dedicated hardware control surface.

This update also fixes a layout persistence bug where restoring app defaults could retain visual colors from a previous configuration after restart. Layouts now reset cleanly, reload accurately, and behave predictably across sessions.

midiOS continues evolving as a true performance surface — not just a MIDI controller.

Full setup instructions are available at midios.app/setup.

midiOS 2.1.10 is now live on the App Store. This update focuses on one big architectural change that makes wireless sessions (especially iPhone Hotspot) far more dependable.

What Changed

We swapped the network roles to match real-world behavior:

• midiOS Bridge (macOS) is now the server

• midiOS (iOS) now connects as the client

In earlier versions, the iPhone was acting as the server — which could work on normal Wi-Fi, but was more fragile under Personal Hotspot / tethered conditions.

Why This Matters

This shift improves the parts that matter during setup and live use:

• More reliable connections over iPhone Hotspot

• Fewer random disconnects / drops

• Cleaner discovery + handshake behavior

• More consistent “connect and stay connected” sessions

Recommended Setup Notes

For best results:

• Open midiOS Bridge first on your Mac

• Then open midiOS on your iPhone and connect

• If you’re using Hotspot, keep the Bridge running before launching midiOS

Update Now

If you’ve ever had a session that worked on Wi-Fi but acted weird on Hotspot, 2.1.10 is the fix you’ve been waiting for.

Over the past four weeks, development on midiOS has moved quickly from refinement into solid product hardening, with major gains in stability, performance, and presentation.

Stability & MIDI Reliability

Significant work was done to improve real-world reliability:

• Fixed MIDI disconnect issues when minimizing the app

• Stabilized Network MIDI over Wi-Fi and iPhone hotspot

• Replaced hard-coded network assumptions with dynamic discovery

• Removed excessive background logging to improve long-term performance

These changes make midiOS far more dependable during extended sessions and live use.

Performance & Control Improvements

The MIDI routing pipeline was refined to better match performance needs:

• Notes and chords remain ultra-low-latency over USB

• Control-surface features (LiveGrid, scenes, transport, macros) now work reliably over wireless MIDI

• Reduced routing collisions and improved control consistency

UX, Visuals & Media

• Refined pad animations and interaction spacing

• Improved layout and touch accuracy in control views

• Produced new high-end Blender renders and motion assets for the website

Looking Ahead

With core stability in place, focus now shifts to final polish, onboarding, and preparing midiOS for broader release.