LMMS/lmms

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Cross-platform music production software

Stars: 10.4k
Forks: 1.3k
Open beginner issues: 8
Indexed issues: 1.2k
Avg merge: 2d 13h
Merged PRs (30d): 7

Dominant language: C++
License: GPL-2.0
Last GitHub push: Sep 15, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: good first issue

Beginner friendly Everything

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1,221 open issues indexed

Cannot get Vital linux VST to load on NixOS Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

LMMS/lmms#8564 · Opened Sep 18, 2026
VST crashes LMMS on removal Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 55/100

LMMS/lmms#8563 · 1 comment · Opened Sep 17, 2026
Carla Rack crash when use any vst3 Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 30/100

LMMS/lmms#8560 · 8 comments · Opened Sep 16, 2026
VeStige is broken on Linux Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

LMMS/lmms#8557 · 6 comments · Opened Sep 13, 2026
Extend Peak Indicator Reset Options Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 50/100

LMMS/lmms#8554 · 14 comments · 1 reaction · Opened Sep 11, 2026
Track removal confirmation should remove the track by default when pressing Space/Enter. Open

enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 74/100

LMMS/lmms#8552 · 4 comments · Opened Sep 10, 2026
Crash when deleting a Vestige track while the controller window is open Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 55/100

LMMS/lmms#8550 · 2 comments · Opened Sep 10, 2026
Automation editor has logarithmic knob value mismatch (visually) Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 68/100

LMMS/lmms#8549 · 1 comment · Opened Sep 9, 2026
"Bad" instruments lose their data after saving ("dummy instrument") Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 52/100

LMMS/lmms#8547 · 5 comments · 1 reaction · Opened Sep 9, 2026
Add musical notation on piano-roll Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

LMMS/lmms#8543 · 4 comments · Opened Sep 9, 2026
There is no list of devices in MIDI Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

LMMS/lmms#8540 · 2 comments · Opened Sep 7, 2026
The new display of notes with flats only works for notes >= 1/4 Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 55/100

LMMS/lmms#8538 · 1 comment · Opened Sep 7, 2026
cairo.h is not found in ZynAddSubFX Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

LMMS/lmms#8535 · 5 comments · Opened Aug 31, 2026
Click & hold sometimes get interpreted as multiple clicks Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

LMMS/lmms#8534 · 3 comments · Opened Aug 31, 2026
Piano Roll: Unintuitive behavior of "Record" button when paused Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 38/100

LMMS/lmms#8533 · 16 comments · Opened Aug 30, 2026
Automation transition breaks after delete and undo Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 55/100

LMMS/lmms#8531 · Opened Aug 30, 2026
3OSC' FM-modulation. Does that work correct? Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

LMMS/lmms#8529 · 2 comments · Opened Aug 30, 2026
MIDI CC Rack not working / Need help getting MIDI CC messages to work Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

LMMS/lmms#8528 · 2 comments · Opened Aug 30, 2026
`AutomatableModel`s of cloned tracks have duplicate IDs Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 52/100

LMMS/lmms#8527 · Opened Aug 29, 2026
Effect tracks internally retain their initial names Open

bug gui

Difficulty 3/5 1-2 days Newbie friendliness 62/100

LMMS/lmms#8525 · 2 comments · Opened Aug 27, 2026
Installer suffixes are inconsistent Open

LMMS/lmms#8524 · 5 comments · 2 reactions · 1 assignee · Opened Aug 27, 2026
Fix or remove the "add step" context option on Beat clips Open

enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

LMMS/lmms#8522 · 1 comment · Opened Aug 26, 2026
Allow collective stretching of multiple clips in Song Editor Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 48/100

LMMS/lmms#8519 · 1 reaction · Opened Aug 24, 2026
Crash while importing MP3 files < 500kb Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 55/100

LMMS/lmms#8515 · 1 comment · Opened Aug 21, 2026
Copying a piano-roll segment into a pattern copies it into the wrong pattern Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

LMMS/lmms#8511 · 2 comments · 1 reaction · Opened Aug 18, 2026
right channel unusually maxes out Open

bug

LMMS/lmms#8508 · 7 comments · 1 assignee · Opened Aug 17, 2026
LB302: Lock oscilators Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 52/100

LMMS/lmms#8506 · 2 comments · Opened Aug 16, 2026
Instruments: Have the Zynaddsubfx UI embed like VST(i) plugins Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

LMMS/lmms#8499 · 13 comments · Opened Aug 10, 2026
When opening large samples it crash the lmms as a song Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 25/100

LMMS/lmms#8498 · 5 comments · Opened Aug 5, 2026
Crash when ctrl-dragging VST track with more than one clip to pattern editor Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 55/100

LMMS/lmms#8496 · 1 comment · Opened Aug 3, 2026
VeSTige preset issue Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

LMMS/lmms#8491 · 14 comments · Opened Jul 31, 2026
extra window that allows easy navigation across the workstation (Like Carla's) Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

LMMS/lmms#8486 · 5 comments · Opened Jul 25, 2026
Adopt a "No-AI" policy Open

bot-skip conversation meta

Difficulty 5/5 Over a week Newbie friendliness 25/100

LMMS/lmms#8478 · 38 comments · 50 reactions · Opened Jul 17, 2026
Support multiple concurrent sessions Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

LMMS/lmms#8477 · 5 comments · Opened Jul 16, 2026
Sort the plugins list in cmake file Open

Difficulty 1/5 Under an hour Newbie friendliness 78/100

LMMS/lmms#8472 · 4 comments · Opened Jul 14, 2026
Option to not overlap notes when recording MIDI with a pedal Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 48/100

LMMS/lmms#8463 · Opened Jul 10, 2026
Add "pseudo-pedal" note type Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

LMMS/lmms#8462 · Opened Jul 10, 2026
Empty MIDI clips are not highlighted on selection Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

LMMS/lmms#8460 · 2 comments · Opened Jul 9, 2026
Use Simd operations for audio sanitization Open

enhancement performance

LMMS/lmms#8455 · 2 comments · 1 reaction · 1 assignee · Opened Jul 7, 2026
Nightly: libcarla_native-plugin.dll corrupts user profile on Windows 11 after reboot Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

LMMS/lmms#8454 · 12 comments · Opened Jul 6, 2026
Lv2: Crash loading sfizz due to missing scale points Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 52/100

LMMS/lmms#8453 · 1 comment · Opened Jul 5, 2026
Crash caused by concurrent access to the sndio MIDI handle Open

bug

LMMS/lmms#8450 · 1 comment · 1 assignee · Opened Jul 2, 2026
LMMS hangs on copy/paste multiple tack long sequence Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

LMMS/lmms#8443 · 5 comments · Opened Jun 22, 2026
Make sticky note resizing more consistent (i.e., shift+resize) Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 48/100

LMMS/lmms#8442 · 2 comments · Opened Jun 22, 2026
Add Harmonic major scale Open

Difficulty 1/5 Under an hour Newbie friendliness 88/100

LMMS/lmms#8441 · Opened Jun 21, 2026
SF2Player does not support MIDI CC Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

LMMS/lmms#8437 · Opened Jun 17, 2026
VeSTige failing to load text on some VSTs Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

LMMS/lmms#8436 · 7 comments · Opened Jun 15, 2026
[Feature Request] MIDI-mappable step buttons in Beat+Bassline Editor Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

LMMS/lmms#8435 · Opened Jun 15, 2026
Enhance contrast of the stripped track movement icon Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 50/100

LMMS/lmms#8431 · 7 comments · 1 reaction · Opened Jun 11, 2026
AudioFileProcessor windows error Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 28/100

LMMS/lmms#8427 · Opened Jun 9, 2026

LMMS/lmms

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