Excited to see how this plays out. Looks like there’s basically nothing implemented yet though.

So while not technically “secret sauce,” it’s certainly “special sauce.” Good point.

Apple designed the silicon to have an “x86 mode” for the memory model ordering, as well as an undocumented mode that makes certain arm instructions set flags similarly to x86. There’s a good write up of the reasons here: https://dougallj.wordpress.com/2022/11/09/why-is-rosetta-2-fast/