As of 2026, is considered a legacy operating system. However, many designers and artists still find themselves working on older hardware or maintaining stable environments on this OS. Running Adobe Illustrator on macOS Catalina presents a unique set of challenges, primarily centered around compatibility, 32-bit software restrictions, and the end of active support for that system by Adobe.
Users have reported several specific bugs after updating to Catalina:
A critical consideration for anyone still on Catalina is security. As noted in Adobe community forums, Apple's official security support for macOS Catalina ended in the summer of 2022.
Unusable due to 32-bit installer components. adobe illustrator macos catalina
Alternatively, exploring modern vector graphics alternatives like Affinity Designer or Inkscape could provide a more sustainable, secure, and often more affordable workflow on your existing hardware. The choice ultimately depends on your specific needs, budget, and tolerance for risk, but being informed is the first step to making the right decision for your creative work.
These versions contain mixed 32-bit installers or licensing components. They generally fail to install or launch on Catalina.
Adobe Illustrator on macOS Catalina: Compatibility, Performance, and Setup Guide As of 2026, is considered a legacy operating system
Illustrator CC 2019 (version 23.x) and newer are 64-bit compatible and can function on Catalina, though CC 2020 (version 24.x) is the most stable native fit for this OS.
Adobe updated Illustrator CC 2019 to be 64-bit compliant, meaning it will run on Catalina. However, users frequently report minor UI glitching and permission bugs that require manual troubleshooting. Known Compatibility Issues and Fixes
To run Illustrator on Catalina, you generally need or Illustrator 2021 (v25) . System Requirements for Illustrator on Catalina Users have reported several specific bugs after updating
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To get the fastest rendering speeds and prevent the dreaded spinning beachball on macOS Catalina, apply these configuration settings:
If you are on a modern Creative Cloud subscription, moving to Catalina is generally safe and offers better security.
Running Adobe Illustrator on macOS Catalina: A Complete Compatibility and Performance Guide