Befaco firmware updates
5 devices tracked · 5 with a public firmware version · last release detected 20 May 2026.
| Device | Current firmware | Released | Status |
|---|---|---|---|
| Befaco CV Thing firmware | 1.4.1 | 2 Sep 2022 | active |
| Befaco Oneiroi firmware | 1.2.2 | 6 Nov 2025 | active |
| Befaco Iroi firmware | v1.0.0 | — | active |
| Befaco Muxlicer firmware | 1.5 | 7 Jul 2022 | active |
| Befaco Noise Plethora firmware | 1.5 | 15 Dec 2021 | active |
Recent Befaco firmware releases
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Befaco Iroi firmware
Cleaner CVs.
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Befaco Iroi firmware
First public release. Iroi.syx is the firmware; patch.syx is the default patch.
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Befaco Oneiroi firmware
In this release we fixed the problem with the resonator emitting unwanted peaks in certain frequencies: https://github.com/Befaco/Oneiroi/issues/38 We also raised a little the resonator's maximum feedback so it's now able to self oscillate without input.
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Befaco CV Thing firmware
Changes in 1.4.1 - Velocity selectable per note - Several minor bug fixes KNOWN ISSUE: Solo mode not working v1.4 - Added Strum mode to Chords v1.3.1 - Fixed Velocity bug v1.3 - Chord mode implemented - Aftertouch implemented - Improved compatibility with…
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Befaco Muxlicer firmware
Enhanced "Run" knob range for better panel alignment and reduced voltage sensitivity. Changed default clock mode to stop output when Muxlicer stops.
- Befaco Noise Plethora firmware
Also tracked (no user-updatable firmware)
8 Befaco devices in the catalog with no firmware to update — kept for inventory, manuals and used-market info.