Update macOS Catalina 10.5.5.
What applications will no longer work with this update?
iMac 21.5″, macOS 10.15
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What applications will no longer work with this update?
iMac 21.5″, macOS 10.15
Any app running on 10.15.4 should still run.
Any app running on 10.15.4 should still run.
What year is your Mac from?
Late 2012.
Update macOS Catalina 10.5.5.