The reason is that Apple changed Catalina in some fundamental ways that could break your essential apps or workflows. We know you want to play with all the new features but Catalina, even more so than previous major macOS upgrades, is not something you should install right away. We are upgrading non-essential machines right away so we can become more familiar with the ins and outs of Catalina but our recommendation to you right now is simple: be sure to do your due diligence before you upgrade! Reasons to NOT upgrade to Catalina: Sounds great, doesn’t it? It will be… eventually. Screen Time has migrated over from iOS and Sidecar lets you use an iPad as a second screen or graphics tablet with an Apple Pencil. Photos, Reminders, and Notes all get major upgrades. A new Mac Catalyst technology will make it easier for developers to make their iPad apps available for the Mac. The new release will feature new music, TV and Podcasts apps to replace iTunes. What are some of the highlights of Apple macOS Catalina? We are not yet endorsing Big Sur for business-use and will have a Big Sur article posted soon. Visit our Apple Technology services page for more information on IT support that is customized for Apple products in a business environment. However, please read the entire article before upgrading to ensure you're prepared. Q1 2021 UPDATE: Beginning with the 10.15.4 release we encourage everyone to run Catalina. Apple released macOS 10.15 Catalina on October 7, 2019, and like all major operating system releases, Apple has been talking it up since it was introduced at the company’s Worldwide Developer Conference in June.

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