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VST crash on Linux #28446

@DmitryArefiev

Description

@DmitryArefiev

Issue type

Crash or freeze

Description with steps to reproduce

It occurs when trying to open VSTi or VSTe from Mixer

Tested with Vital (instrument) and Dragonfly reverb (FX effect)

https://vital.audio/
https://michaelwillis.github.io/dragonfly-reverb/

Supporting files, videos and screenshots

Screencast.from.2025-06-16.16-33-47.webm

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

4.6 nightly (based on Qt6.9)

Regression

No.

Operating system

LinuxUbuntu24.04.2 LTS (Wayland)

Additional context

#28382

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

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P1Priority: HighVSTcrashIssues involving a crash of MuseScore

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