Apple today seeded the ninth beta of macOS 10.15 Catalina to developers, two weeks after seeding the eighth macOS Catalina beta and over three months 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 after installing the proper software from the Developer Center.
macOS Catalina eliminates the iTunes app, splitting it into Music, Podcasts, and TV apps. The three new apps offer similar functionality to iTunes, but are split up by feature. iOS device management is still available on the Mac, but it’s now done through the Finder rather than iTunes.
Read more at MacRumors.com