Adobe Illustrator on macOS Catalina (10.15) brought significant workflow changes, primarily through native support for Apple's feature and the transition to a strictly 64-bit environment. Key macOS Catalina Integration Features Sidecar Support : This native macOS feature allows you to use an iPad as a second display or a high-precision graphics tablet for Illustrator. Apple Pencil Integration
: macOS Catalina was the first version to drop support for 32-bit apps entirely. Legacy Versions : Older versions like Illustrator CS6
Version Mismatch: Recent updates for Illustrator often require macOS 11 (Big Sur) or later. If you are on Catalina, you may find that the Adobe Creative Cloud Desktop app does not show the "Install" button for the latest version. adobe illustrator macos catalina
Even if you have a compatible version, Catalina introduced new security protocols that can trip up Illustrator. If you are experiencing crashes or strange errors, check these fixes:
Some users reported that printing directly from Illustrator to non-PostScript printers caused crashes in early Catalina builds. Adobe Illustrator on macOS Catalina (10
Cause: Gatekeeper blocking an uncertified component. Fix:
For print production teams using shared scripts or custom automation, Catalina required a full audit of every script and action. Legacy Versions : Older versions like Illustrator CS6
The first fully 64-bit, Catalina-native version of Illustrator is Illustrator CC 2020 (version 24.0). If you are still using a perpetual license or an older subscription, you cannot run it on Catalina.