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Catalina
Before you shift to Catalina in a few months, double-check your 32-bit application status.
https://support.apple.com/en-us/HT208436
You’ll actually find that quite a lot of apps are still 32-bit and these may quit working after you update. I ran a check and many of the uninstaller apps supplied by software developers are still 32-bit. Older versions of Office apps. The player utilities supplied by AJA. Just a few examples.
– Oliver
Oliver Peters – oliverpeters.com