musescore / musescore/MuseScore

Local time signature delete and undo corrupts score

Open
#29,789 4 comments 0 reactions 1 assignee View on GitHub

@cbjeukendrup is already working on this.

Since Sep 9, 2025.

corruption P0
Dominant language
C++
Stars
15.1k
Forks
3.3k
Avg merge
2d 2h
Merged PRs (30d)
91

Description

Issue type

File corruption

Description with steps to reproduce
  1. Add local times signature to score
  2. Delete then Undo
  3. Save, score is corrupt
Supporting files, videos and screenshots

https://github.com/user-attachments/assets/6d6bbd1a-8ec2-486e-9052-e2bd657a5405

What is the latest version of MuseScore Studio where this issue is present?

OS: macOS Sequoia (15.6), Arch.: arm64, MuseScore Studio version (64-bit): 4.6.0-252510405, revision: github-musescore-musescore-ca12911

Regression

No.

Operating system

MacOS15

Additional context

No response

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

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Assessment

This issue has not been assessed yet.

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.