Adobe Illustrator on macOS Catalina is a workable, stable experience – but only if you use the right versions and apply the fixes above.
Catalina isn’t dead; many production houses still use it for legacy audio plugins and design tools. But treat it as a maintenance-only OS. Don’t expect new Illustrator features like Intertwine or Mockup to run perfectly. adobe illustrator macos catalina
Never use Apple Migration Assistant to transfer Adobe apps from Mojave to Catalina. It will bring over 32-bit components and corrupt the install. Adobe Illustrator on macOS Catalina is a workable,
Correct workflow:
The glossy New Document dialog consumes 500MB+ of RAM. The glossy New Document dialog consumes 500MB+ of RAM