Crash interacting with MSS after using keyboard shortcut to show Piano keyboard (Linux only)

[davidstephengrant]

Issue type

Crash or freeze

Description with steps to reproduce

CASE 1

1. Open or create a score
2. Press P to show Piano keyboard panel
3. Click the ... on the Piano panel to show menu
4. Click anywhere in the score to exit menu
5. Press P to hide Piano keyboard panel

• Repeat steps 2-5 until MSS crashes or freezes (usually this happens very quickly)

CASE 2

1. Open or create a score
2. Press P to show Piano keyboard panel
3. Select a bar in the score and press n for note input mode
4. Press P twice to hide then show Piano keyboard panel, and immediately press pitch (e.g. d) to enter a note.

• Repeat step 4 until MSS crashes

Supporting files, videos and screenshots

CASE 1

Screencast.from.2026-06-09.13-52-37.webm

---

CASE 2

Screencast.from.2026-06-09.13-53-25.webm

In which versions of MuseScore Studio is this issue present?

4.7.0 - 4.7.3

Regression

Yes, this used to work in MuseScore 4.6.5

Operating system

Ubuntu 24.04.4 LTS

Additional context

So far I haven't been able to reproduce showing and hiding from the View menu. Possibly due to timing/performance?

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

[DmitryArefiev]

Crashes on LinuxUbuntu24.04.4 LTS, but can't reproduce on Win10

[davidstephengrant]

Cannot reproduce on Windows 11.