Hartley Charlton, MacRumors:

Spotted by developer Javier Lacort, the Apple job listing for a Senior iOS Engineer in Apple Music explicitly mentions “homeOS” on two occasions, alongside Apple’s other operating systems including iOS, watchOS, and tvOS.

And, from the job listing itself (emphasis added):

You’ll get to work with system engineers across Apple, learning the inner-workings of iOS, watchOS, tvOS and homeOS, and optimizing your code for performance in ways only Apple can. Come join our team and make a real difference for music lovers worldwide.

The ‌Apple Music‌ Frameworks team owns the technology stack that enables the system-integrated ‌Apple Music‌ experience on all of our mobile platforms: iOS, watchOS, and homeOS.

Great food for thought, guessing we’ll hear more on Monday.