User made VST3 does not receive parameter updates.

• Dec 31, 2022 - 03:28

I created a VST3 effect plugin with VST3 SDK v3.7.7 build 19. It works in the VST3PluginTestHost provided in the SDK. I can set a breakpoint and when the knob in the ui is changed the breakpoint is hit indicating that the parameter change request is being received and processed i.e. the knob changes the distortion level in a fuzz effect.
When I use the VST3 in MuseScore 4.0.0 the breakpoint is not hit. I know that it is working and I put a breakpoint in the process function that it does hit so either the event is not being sent or something has to be done for MuseScore to send the request?

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