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Dear audio developers,I am currently investigating Audio Unit v3 - App extension mechanism in OS X context.I managed to build OSXFilterDemoAppExtension from https://developer.apple.com/library/content/samplecode/AudioUnitV3Example/Introduction/Intro.htmlUsing Logic 10.2.4, I was able to instantiate the FilterDemoAppExtension on my audio tracks.This was working fine right out-of-the-box. 🙂Once instantiated I could see the new process created which confirms my app runs in its own sandboxed process.Problems started when I tried to add & remove multiple instances of the same app extension on other tracks, as per the following sequence:1 - Add FilterDemoAppExtension on track1 insert.A new dedicated process is created.2 - Add FilterDemoAppExtension on track2 insert.No other process created, both app extension seem to run in the same process successfully.3 - Remove one of the instance.I cannot see the dedicated process running anymore, and the remaining instance view becomes black and unresponsive...As I am not really familiar today with App Extension and Sandboxing principles I wonder:- is there any option I should use to force creating a dedicated process for each instance created ?- should I use a reference counted mechanism to avoid process termination on first desctruction of one of the instance ?- could it be a Logic bug I am falling into there ?- or am I missing something else ?Thank you for your help,Cheers