Macworld While everyone is talking about the new App Store rules that allow sideloading and third-party payments, Apple may be hiding something far more interesting in the latest round of beta software. A snippet of code in tvOS 17.4 beta 1 hints that Apple is continuing to work on a new operating system called homeOS. Software code spelunker Aaron Perris at MacRumors reported the discovery of a reference to homeOS in the new beta OS for Apple TV. The writer doesn’t offer further detail of the context in which that branding is mentioned, but speculates that it could refer to one of the smart-h…