An archive of (almost) all OP-1 Field firmware versions with additional info about each file.
Versions are listed in chronological order.
Release date: 2022-05-12
Change Log
- mtp/disk improvements & fixes
- improved ble connection stability
- low battery warning popup
- delayed power switch setting
- enable compressor and limiter on fm transmitter
- interpolate master compressor settings
- add battery info to system settings
- synth: show user samples on shift+T1
- scroll through preset names too long to fit
- transmit OP–1 fm radio station name
- autoset system clock from fm radio
Release date: 2022-06-01
Change Log
- filter accidental encoder clicks
- 30% lower keyboard latency
- new max brightness color boost (turn to 125%)
- low battery warning tweaks
- new disk mini seek
- fix: reverse loop with start at tape start
- crash fixes
- gfx tweaks
Release date: 2022-06-16
Change Log
- fix bug where input signal could get distorted
- fix crash when renaming patches with mtp
- fix crash when pitching down synth samples very low
- convert lfo amount on older synth patches to correspond to engine changes
- fix occasional hanging midi notes when switching octave
Release date: 2022-08-31
Change Log
- per-tape mixer settings
- unlimited lift / drop length
- increased endless sequencer steps to 999
- velocity support in endless, pattern, arpeggio and hold sequencer
- allow deleting snapshot patches
- lift tape head with blue encoder in tape screen
- add lift and drop to master tricks
- tap T1-T4 quickly to switch tracks without soloing
- lifting multiple tracks from tape to sampler keeps mute & pan info
- lift / drop clipboard survives power-off
- don't normalize when dropping audio into synth / drum sampler
- pitch bend did not go back to neutral position
- fix MIDI clock glitch when pressing play
- audio headphone output would not start with some devices
- fix deleting active tape in tape browser
- tweak drum midi velocity response
- mtp improvements and fixes
- other bug & crash fixes
- ui improvements
Release date: 2022-09-02
Change Log
- fix bug that could cause key presses not to register
- fix crash when switching between certain patches
- fix crash when deleting the last drum snapshot
- fix patch not saved after drum key lift/drop
- multi-track tape drop could insert old audio without clips
- support full external midi range in arpeggio sequencer
- improved midi sync
Release date: 2022-09-09
Change Log
- fix random factory reset bug when shutting down with usb device connected
- fix noise when dropping multitrack tape to samplers
- fix arpeggio crash
Release date: 2022-11-17
Change Log
- keyboard velocity sensitivity
- mono / stereo setting for line in
- pre tape pan
- import wav files via mtp
- pre scan for best fm transmit frequencies
- adjust tape speed to external clock
- sync transmit frequency with OB–4
- finger sequencer velocity support
- fixed arpeggio bug with "each" setting
- fixed lift/drop crashes
- misc crash fixes
- misc ui fixes
Release date: 2022-12-19
Change Log
- fix patch switch crash
- fix shift+T1 crash
- fix tape switch crash
- fix lost sampler recordings
- fix patch drop
- fix minor ui bugs
- keep track level when pressing drum/synth while tape is running
Release date: 2023-01-12
Change Log
- new vocoder synth engine
- start armed tape recording on external MIDI
- mtp: allow aiff and aifc files for patches
Release date: 2023-03-29
Change Log
- fix metronome playing over PO sync
- fix PO sync resetting when triggering sequencers
- fix vocoder muted by panning right in tape screen
- fix reverse tape trick not working when in midi sync mode
- fix dbox note stealing bug
There might be earlier or other firmware versions that aren't listed here but they're probably not publicly available anyway. There might also be more recent firmware versions so be sure to check out the TE official downloads to find the latest firmware. You should get the latest firmware from them anyway, this list is mainly for archival purposes.