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> All modules that call a Unix library contain WoW64 thunks to enable calling the 64-bit Unix library from 32-bit PE code. This means that it is possible to run 32-bit Windows applications on a purely 64-bit Unix installation. This is called the new WoW64 mode, as opposed to the old WoW64 mode where 32-bit applications run inside a 32-bit Unix process.

Woo! No more random pile of i386 packages on the host system!

I wonder if you could do something similar with QEMU user mode to run x86/x64 Windows applications with native architecture libraries…

Edit: I should have read further down

> The completion of the PE/Unix separation means that it's possible to run existing Windows binaries on ARM64.

This is great news. I can't wait to play MDK on my new computer.