Issues

• FM1 USB MIDI detected, but no USB audio input on macOS Ventura 13.7.8

  isod89/sloop-fm1#257 · Filter by author Bellofacial opened on Nov 11, 2026

• Feature request - EQ!

  isod89/sloop-fm1#256 · Filter by author vcvrackideas opened on Nov 10, 2026

• Preset change upon restart

  isod89/sloop-fm1#255 · Filter by author bootlegrecordsmx-ui opened on Nov 9, 2026

• Feature request - Screen reader suport - Accessability

  isod89/sloop-fm1#254 · Filter by author woodjackmusic-JD opened on Nov 9, 2026

• Persistent scale key LEDs while playing

  isod89/sloop-fm1#253 · Filter by author klimovczovski opened on Nov 9, 2026

• Feature request - copy sequence into new slots

  isod89/sloop-fm1#252 · Filter by author vcvrackideas opened on Nov 8, 2026

• Feature request - combination of different drum kits in one playing preset

  isod89/sloop-fm1#251 · Filter by author vcvrackideas opened on Nov 8, 2026

• Feature request - individual volume and panning for each drum sample

  isod89/sloop-fm1#250 · Filter by author vcvrackideas opened on Nov 8, 2026

• M‑UPG error 258 (SLOOP 2.8.5 return to the official V16 firmware )

  isod89/sloop-fm1#249 · Filter by author wopotj opened on Nov 8, 2026

• An unofficial Big Screen build of SLOOP

  isod89/sloop-fm1#248 · Filter by author pfkellogg opened on Nov 7, 2026
  1

• Transpose does not work for external (USB/TSR-Midi) keyboards

  isod89/sloop-fm1#247 · Filter by author noelvd opened on Nov 6, 2026

• Small text / font

  isod89/sloop-fm1#246 · Filter by author CROvalongo opened on Nov 4, 2026
  1

• Non allocated MIDI channels are all directed to track 1

  isod89/sloop-fm1#245 · Filter by author mdhastings opened on Nov 3, 2026

• "UPDATE FAILED -5" when installing v16 firmware

  isod89/sloop-fm1#240 · Filter by author kathric-acid opened on Nov 2, 2026

• Install on stock V16 (Mac): "USB connection was lost" / "loader was disconnected after 3 requests"

  isod89/sloop-fm1#239 · Filter by author jozefgunter-dot opened on Nov 2, 2026

• [Feature Request] editor tool to export project as rendered loops

  isod89/sloop-fm1#237 · Filter by author Nine-H opened on Nov 2, 2026

• FM-1 screen mirroring: a small MIT-licensed addition you're welcome to use

  isod89/sloop-fm1#236 · Filter by author pfkellogg opened on Nov 1, 2026

• [Feature Request]: External MIDI Control for Track Mutes and Song-Section Switches (A–D)

  isod89/sloop-fm1#235 · Filter by author eff-be opened on Nov 1, 2026

• Install doesn't start on macOS with unpaired virtual MIDI ports (deep pre-check tries every output, 2 s each)

  isod89/sloop-fm1#234 · Filter by author vopinio opened on Oct 31, 2026

• User preset is not displaying correctly on home screen after poweroff/poweron

  isod89/sloop-fm1#233 · Filter by author kneitinger opened on Oct 31, 2026

• Lost my work when loaded pattern instead of saving

  isod89/sloop-fm1#232 · Filter by author CamyKami opened on Oct 30, 2026
  4

• [Feature Request] Sequencer Insert / Delete

  isod89/sloop-fm1#231 · Filter by author spiffx opened on Oct 30, 2026

• Audio Input Device Not Recognized on macOS 12

  isod89/sloop-fm1#230 · Filter by author glmin450 opened on Oct 29, 2026
  1

• kraken in Google chrome os

  isod89/sloop-fm1#229 · Filter by author mrelliag73-code opened on Oct 29, 2026

• 2.8.3 ID whitelist causing Flash stuck on new unit of fm1

  isod89/sloop-fm1#228 · Filter by author davidfish0 opened on Oct 29, 2026
  1