Keith McMillen Instruments firmware updates
2 devices tracked · 2 with a public firmware version · last release detected 5 Aug 2026.
| Device | Current firmware | Released | Status |
|---|---|---|---|
| Keith McMillen Instruments 12 Step w/ MIDI Expander firmware | 1.0.7 | 22 Jan 2025 | discontinued |
| Keith McMillen Instruments QuNexus firmware | 2.2.1 | 5 Aug 2026 | active |
Recent Keith McMillen Instruments firmware releases
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Keith McMillen Instruments QuNexus firmware
- Firmware updates now use a packetized, chunk-safe transfer with a per-packet identity handshake instead of sending the whole firmware image as one block. - Updated firmware to 2.2.1: adds a boot-time tare capture for key sensors to reduce stuck-key false…
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Keith McMillen Instruments 12 Step w/ MIDI Expander firmware
### Editor 3.0.7, Firmware 1.0.7 (2025-01-22) - Bug fixes: - To address issues with preset corruption, we've updated how the 12 Step display behaves when receiving presets from the editor and loading presets on the device. - When the preset setlist is sent…
