[charcircuit]

It is a new operating system with a different api and security model. Binaries on one operating system with the same processor does not necessarily run if you run it on another operating system using the same hardware.

[worksonmine]

Interesting, VisionOS. Strange choice when they could've just wrapped the "windows" in iOS and leave the rendering to the device.

Probably what they do and it's most likely more marketing than a really new OS with breaking changes to how apps run, but I haven't looked into it.