Yeah, it’s definitely the plugins causing the crash.
I’m using the Reason Studios Rack plugin (VST3) – there was a whole thread about it here a long time back: Reason as a plugin
The crashing thread is failing due to some bad interaction between Reason, GP, and macOS:
VM Regions Near 0x841f0f:
-->
__TEXT 0000000109c7f000-000000010cd69000 [ 48.9M] r-x/r-x SM=COW /Applications/GigPerformer4.app/Contents/MacOS/GigPerformer4
Thread 0 Crashed:: HotFudge Dispatch queue: com.apple.main-thread
0 libobjc.A.dylib 0x00007fff5e060359 lookUpImpOrForward + 178
1 libobjc.A.dylib 0x00007fff5e05fe14 _objc_msgSend_uncached + 68
2 se.propellerheads.reasonrackplugin.vst 0x000000013fc5db65 0x13f0d5000 + 12094309
3 se.propellerheads.reasonrackplugin.vst 0x000000013fb0b724 0x13f0d5000 + 10708772
4 se.propellerheads.reasonrackplugin.vst 0x00000001408784c1 0x13f0d5000 + 24786113
5 se.propellerheads.reasonrackplugin.vst 0x0000000140877fa3 0x13f0d5000 + 24784803
6 se.propellerheads.reasonrackplugin.vst 0x0000000140885087 0x13f0d5000 + 24838279
7 com.apple.AppKit 0x00007fff30dfea73 -[NSWindow(NSEventRouting) _reallySendEvent:isDelayedEvent:] + 6840
8 com.apple.AppKit 0x00007fff30dfcd73 -[NSWindow(NSEventRouting) sendEvent:] + 478
9 com.apple.AppKit 0x00007fff30c9cf95 -[NSApplication(NSEvent) sendEvent:] + 2953
10 com.apple.AppKit 0x00007fff30c8accc -[NSApplication run] + 755
11 com.deskew.gigperformer4 0x000000010a189a9b 0x109c7f000 + 5286555
12 libdyld.dylib 0x00007fff5f8343d5 start + 1
I could try the AU versions – I’d thought of that, but I’d need to rebuild my (complex) plugin configuration then, right? And then the gig file would no longer be cross-platform. But it could be worth an experiment.
Everyone claims Mojave compatibility 