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                        [MU4 Issue] VST Effects - Crash on Window Close While Playing and changing effect settings not applied in real time (Arturia Rev PLATE-140)
Describe the bug When closing the VST effects window, MuseScore crashes (sometimes crashes immediately, sometimes after a few times open/closing window).
To Reproduce Steps to reproduce the behavior:
- Go to Mixer
 - Select a track and click on Audio FX
 - VST Effects window will open
 - Close VST Effects window
 - See error (maybe, it is not consistent)
 
Expected behavior No crashie.
Screenshots
https://user-images.githubusercontent.com/30370609/169241264-bb908322-e4f6-4f5b-8d41-4fefe98a5a5d.mov
Platform information OS: macOS 12.3 Arch.: x86_64 MuseScore version (64-bit): 4.0.0-2349650330 revision: github-musescore-musescore-8c123de
FYI @Tantacrul
@lengthwave - I know this is a tall order but would you be able to reproduce this with a free VST?
That way we can then try to reproduce across the team & community. This is a common problem when testing paid VST's.
I'll try to reproduce with free VST.
I wonder if this issue is still happening? I have not experienced this myself in months.
@Tantacrul This still happens with Arturia Rev PLATE-140 (Mac12.5, latest master).
But no crash with Valhalla Supermassive, Valhalla Vintage Verb, NI Passive EQ
Moving to post beta because many of the crashes we were experiencing are fixed and this is looking like a plugin-specific issue now.
We're going to have a lot of these over the coming months. We should focus on core playback for now.
Now it's much better after #13848, it's harder to crash MU
And another issue with Arturia Rev PLATE-140 is changing settings doesn't apply immediately, you should reopen score
https://user-images.githubusercontent.com/90187801/197514653-278d23fb-26b0-4a5a-aaa6-fc2e7838eb67.mp4
Garritan still crashing MU4
Garritan still crashing MU4
Unfortunately, we can't fix multiple issues in one thread. It would be great if you'd log this separately.
Garritan still crashing MU4
Already reported in #13867