In addition to 235 apps that will not run with MacOS Catalina, there are many other issues users have found problematic with the newest release of Mac OS on Oct 7th. Among them: Bluetooth connectivity, password issues, issues with iCloud and Apple ID needing to be reset.
The consensus is: if you don’t have to upgrade, then don’t. Stay with Mojave (or your current Mac OS) until these bugs have shaken out.
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Last updated 10-28-19