Mutable Dreams
Play it in your browser or download the firmware.
- Custom firmware
- Stable
- Medium brick risk
Source codeWebsite: mutable-dreams.sugarypixie10.chatgpt.site
This project hasn't been claimed by its maintainer yet, so its details come from the community. Is it yours? Claim it
Thank you for listening and helping shape this update. Mutable Dreams 1.3 gives the M-VAVE FM-1 more contrasting sound worlds, more movement, and safer ways to explore.
What is new
- Five original Lo-Fi kits with 40 drum and texture one-shots. Choose one kit with three synth tracks, or keep six freely assignable synth tracks.
- 48 new tone presets and 16 new Biomes: 336 tones and 108 musical Biomes plus Blank in total.
- Two independent LFOs per synth track, five sequence directions, four new pattern generators, longer chord journeys and nearby root moves.
- A warning before changing a Biome with unsaved edits.
- Clearer type, living page backgrounds and Off / Dim / Soft button lighting on GLO → LOOK / STARTUP → K4.
Play and edit on the website · Watch the update film · Read the illustrated guide
Installation and recovery
Save your User Banks as .mddb and any unsaved live patch separately as JSON. A full bank restore requires physical SEL confirmation. Stock V15 and V16 were tested as starting points for the exact-device USB installer. Official M-UPGRADE installed manufacturer V16 from V15 but rejected this custom 1.3 package with “File format error”. Use the browser installer or included Python installer kit. Other third-party firmware paths are not certified.
The exact 1.3 binary passed device audio/UI stress checks, byte-identical restoration of 22 saved objects and a cold start. USB MIDI was tested; physical TRS MIDI awaits a cable test. Arbitrary WAV import and Bluetooth MIDI are outside 1.3. See the qualification report for measured scope.
Firmware SHA-256: d9400aa360048a8422028f1e005f6a434cd96f9c8db2f0fbef35cda39ebab1d6
The complete source tree is browsable in this repository and supplied as a ZIP. Earlier 1.0, 1.1 and 1.2 releases remain unchanged.
With gratitude to Émilie Gillet, Mutable Instruments and the FM-1 community. Mutable Dreams is an independent community project, unaffiliated with and not endorsed by Mutable Instruments. Selected original algorithms retain their notices and licenses; other inspired modules are independent interpretations.
Before you start
- How hard is it?
- EasyCopy a file or use a web page. No extra software.
- What you need
- A USB or MIDI cable
- A computer
- Can it break my device?
- Small chance of trouble, with a way to recover.
- Can I undo it?
- The project doesn't say. Assume you can't.
Did it work for you?
Did Mutable Dreams v1.3 work on your M-VAVE FM-1?
No reports yet for v1.3.
One-tap reports from owners. Bricked reports are checked before they count.
Compatibility
Devices: M-VAVE FM-1.
No compatibility information yet.
Getting started
From the project's README ("Install and recover"):
Read Recovery-1.3.txt and the illustrated guide. Save your Biome, export all saved banks as .mddb, and separately export unsaved live edits as JSON before an update. The full backup excludes granular audio, calibration and unsaved edits. A restore requires physical SEL confirmation on the FM-1.
The exact 1.3 package was installed from manufacturer Stock V16 over the verified USB update protocol. Stock V15 was used in the roundtrip, and the 1.2 → 1.3 update was tested during development. The official M-UPGRADE app successfully installed manufacturer V16 from V15, but rejected the custom 1.3 file with “File format error”. Use the release browser installer or the included Python installer kit for Mutable Dreams itself. Do not assume that every other custom firmware can update directly.
Firmware identity: FM-1710010300 Release package SHA-256: d9400aa360048a8422028f1e005f6a434cd96f9c8db2f0fbef35cda39ebab1d6
The exact build passed a Stock V16 update, byte-identical bank restoration, six earlier long-form development audio cases and a further 35-second final audio/UI stress check. The browser/editor protocol and source builds passed automated tests. Physical TRS MIDI has not yet been cable-tested. The automatic FULL/ECO guard remains active for dense patches. See the qualification report for scope and limits.
Risk and recovery
- Brick risk
- Medium
- Requires opening the device
- No
From the project's README ("Install and recover"):
Read Recovery-1.3.txt and the illustrated guide. Save your Biome, export all saved banks as .mddb, and separately export unsaved live edits as JSON before an update. The full backup excludes granular audio, calibration and unsaved edits. A restore requires physical SEL confirmation on the FM-1.
The exact 1.3 package was installed from manufacturer Stock V16 over the verified USB update protocol. Stock V15 was used in the roundtrip, and the 1.2 → 1.3 update was tested during development. The official M-UPGRADE app successfully installed manufacturer V16 from V15, but rejected the custom 1.3 file with “File format error”. Use the release browser installer or the included Python installer kit for Mutable Dreams itself. Do not assume that every other custom firmware can update directly.
Firmware identity: FM-1710010300 Release package SHA-256: d9400aa360048a8422028f1e005f6a434cd96f9c8db2f0fbef35cda39ebab1d6
The exact build passed a Stock V16 update, byte-identical bank restoration, six earlier long-form development audio cases and a further 35-second final audio/UI stress check. The browser/editor protocol and source builds passed automated tests. Physical TRS MIDI has not yet been cable-tested. The automatic FULL/ECO guard remains active for dense patches. See the qualification report for scope and limits.
Releases
| Version | Name | Released |
|---|---|---|
| v1.3 | Mutable Dreams 1.3 — Dust, Warmth and MovementLatest | 29 October 2026 |
| v1.2 | Mutable Dreams 1.2 — Shaped by listening | 27 October 2026 |
| v1.1 | Mutable Dreams 1.1 | 25 October 2026 |
| v1.0 | Mutable Dreams 1.0 | 18 October 2026 |
Credits, license and support
- License
- GPL-3.0