Latest macOS version

The latest Mac OS is 10.15.4 (Catalina), released Tuesday, March 24th, 2020. If you have upgraded to 10.15 or 10.15.1 or 10.15.2 or 10.15.3 already, get the 10.15.4 update. (Remember that upgrading to Catalina from any other macOS is a big deal, and you should be sure that your apps are ready for it.) See this article for information about compatibility with 10.15.

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