
More information on this change and instructions on how to check for 32-bit applications is located in the Apple Support article here:Īt this point, four months following release, Information Systems & Computing (ISC) is approving macOS Catalina for general use at the University. This shift towards a full 64-bit environment requires that all developers update their applications for compatibility to run on Catalina. This change is likely the most significant one for the macOS in over eight years. This latest version of Apple’s macOS comes with significant architectural changes, most notably the long-promised end of support for 32-bit applications.


Apple released macOS Catalina (version 10.15.x) on October 7th, 2019.
