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 System Extensions (starting in macOS 10.15.4) inlcuding CiscoAnyConnect 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
- Why aren't 32-bit apps supported in Catalina?
- How to check if apps work in Catalina
- What if your app doesn't work in Catalina?
- Which Mac apps don't run in Catalina?
- Note: these are just some that have been identified. Always check your system.
- Which Apple apps don't run in Catalina?
- Which Microsoft apps don't run in Catalina?
- Which Adobe apps don't run in Catalina?
- Aspyr games that won't work in Catalina?
- What can I do to make sure my apps continue to work?