[musicman691]

I thought it might be a good idea to start a thread to post if someone's gotten any emails from developers about not updating to Catalina until further advised. I'll start it off with:
Native Instruments
fxpansion - BFD and other s/w

And maybe include things like 'not optimized' for 64 bit use due to still having bits & bobs of 32 bit code:
PT
some MOTU drivers