[drran]

Multi OS/arch executables exists for decades. They were called fat-binaries[0]. Old trick is new again.

[0]: https://en.wikipedia.org/wiki/Fat_binary

https://en.wikipedia.org/wiki/Universal_binary

[Wowfunhappy]

But compared to what jart has done, those were effectively cheating. ;) They just smooshed multiple binaries into a single file.