musescore / musescore/MuseScore
Arturia VST plugin parameters don't immediately instantiate in playback: requires close/reopen score (Analog Lab V, Modular V, VOX Continental V2, Rev PLATE-140)
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@RomanPudashkin is already working on this.
Since Apr 24, 2026.
P2
VST
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Description
Issue type
VST bug
Description with steps to reproduce
- Add a VSTi plugin from Arturia (tested on Analog Lab V, Modular V, VOX Continental V2)
- Start/stop playback to preview sound
- Modify a parameter in the plugin (e.g. distortion, oscillator, etc. N.b. changing presets works as expected)
- Start/stop playback to preview sound --> Parameter change cannot be heard in playback
- Save/close/reopen score
- Start/stop playback --> Parameter change can now be heard in playback
Supporting files, videos and screenshots
https://github.com/user-attachments/assets/36328ad2-c8f0-4efe-b101-bcdb27a553a0
In which versions of MuseScore Studio is this issue present?
4.6, 4.7 beta 2, also in 4.7.0-260423155
Regression
No.
Operating system
macOS 26.3
Additional context
Triage note: apparently not a recent regression. Would be good to fix at some point, but not urgent.
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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Assessment
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