musescore / musescore/MuseScore
Acciaccatura won't play and affects the main note when slurred (MS Basic)
Open
@RomanPudashkin is already working on this.
Since May 4, 2026.
P2
playback
regression nightly
- Dominant language
- C++
- Stars
- 15.1k
- Forks
- 3.3k
- Avg merge
- 2d 2h
- Merged PRs (30d)
- 91
Description
Issue type
General playback bug
Description with steps to reproduce
- Open attached score in latest nightly build.
- Observe that the acciaccatura in m.26 along with the main note don't play.
- If the slur between them is deleted, then the main note is played but the acciaccatura remains silent.
- Works as expected in 4.6.5.
Chopin - Op.Posth No.21.mscz.zip
Supporting files, videos and screenshots
n/a
In which versions of MuseScore Studio is this issue present?
latest master / nightly build
Regression
Yes, this works in the latest released version and is broken in the nightly builds
(Doesn't occur in 4.7)
Operating system
Windows 10
Additional context
Doesn't occur with MuseSounds
Checklist
- This report follows the guidelines for reporting bugs and issues
- I have verified that this issue has not been logged before, by searching the issue tracker for similar issues
- I have attached all requested files and information to this report
- I have attempted to identify the root problem as concisely as possible, and have used minimal reproducible examples where possible
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Assessment
This issue has not been assessed yet.