Depends what you mean by "compatible." We preserve binary compatibility on 32-bit x86 with BeOS, indeed. But it hasn't stopped us from re-arranging parts of the

Depends what you mean by "compatible." We preserve binary compatibility on 32-bit x86 with BeOS, indeed. But it hasn't stopped us from re-arranging parts of the GUI, or adding new APIs, or experimenting with the kernel, or ... etc.