I also still rely on an old favorite PSP Mix Pressor2.
This could be because Logic doesn't privode it for the AUv3 API?
In the AUv3Wrapper during the allocate Render Resources And Return Error call, the corresponding musical Context Block and transport State Block are initialized with nil.
You might have observed that Da Vinci Resolve does not contain any audio effects processing platform in its environment, this is sad!
But the best news is that it supports few external plug-ins in edit page for audios.
You could, for instance, arrange by the type of effect, and we even allow you to go further by making multi layers with sub folders.
This gives you the ability to create hierarchies such as; "Compressor Single-band", so you have full control over how YOU want your plugins organized.
I agree the partial support on mac OS is a weird, but I think that's because AUv3 was targeted more toward i OS than mac OS with the point being to add the ability for i OS apps to cleanly host audio plugins rather than having to use audiobus or the like.
host Musical Context Callback or host Transport State Callback.
If I then save a custom preset and load it, the factory presets don't load anymore.
I could not be able to get the host Musical Context Callback or host Transport State Callback.
VST is owned by Steinberg, Direct X by Microsoft while Audio Units is the property of Apple Computers and RTAS and AAX are owned by AVID.