Apple today seeded the third beta of macOS 10.15 Catalina for testing purposes, two weeks after seeding the second macOS Catalina beta and a month after the new Mac operating system update was first unveiled at the Worldwide Developers Conference.
The new macOS Catalina beta can be downloaded using the Software Update mechanism in System Preferences. As with all new betas, macOS Catalina should not be installed on a primary machine as it is early release software and could have major bugs.
macOS Catalina removes the iTunes app, splitting it into Music, Podcasts, and TV apps. The Apple Music and Apple Podcasts apps are available now, while the Apple TV app is coming later this year.
The new apps are similar in function to iTunes, but are split up by feature. iOS device management is still available on the Mac, but it's now done through Finder rather than iTunes.
With a new Sidecar feature, you can turn your iPad into a second display for your Mac with just the click of a button. The Apple Pencil works with Sidecar, so you can turn your iPad into a drawing tablet in apps like Photoshop and Illustrator.
Your Apple Watch can be used to approve security prompts in macOS Catalina, and Macs with a T2 chip support Activation Lock. There's a new Find My that brings the Find My Mac app to the Mac for the first time and even lets you track your devices when they're offline.
Screen Time is now available on the Mac as well as iOS devices, and Project Catalyst, a new Apple initiative, will let developers easily port their iPad apps over to the Mac.
There's a new Photos interface that surfaces your best photos organized by day, month, or year, there's a new start page in Safari, Mail has new tools for muting email threads and blocking senders, and the Reminders app has been overhauled.
32-bit apps no longer work in macOS Catalina, which is something to be aware of before installing the beta. For more details on macOS Catalina, make sure to check out our macOS Catalina roundup.
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