Topics Map > Do-IT Yourself > Applications and Software
Known Issues and Limitations with macOS Catalina
Apple releases its newest operating system - Catalina. You must verify that your applications are optimized for macOS Catalina. There are some apps that won't work with the new operating system. Check out the information from MacWorld and MacRumors.
Apple: About Legacy System Extensions
Apps at Rice that use Kernel extensions may trigger warnings about the use of Legacy Sytstem Extensions, starting in macOS 10.15.4, inlcuding CiscoAnnyConnect VPN and FireEye. These notifications will not impact the use of these apps. Click OK to dismiss the notification.
Adobe: Why don't my Adobe apps work in macOS Catalina
MacWorld: Apps that won't work in macOS Catalina
> Which Mac apps don't run in Catalina? (Note: these are just some that have been identified. Always check your system.)
MacRumors: 32-Bit Apps Not Optimizedhttps://www.macrumors.com/guide/32-bit-mac-apps/