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IIRC Rosetta 1 did attempt to use the native x86 versions of system frameworks, but there were issues with floating point precision between the emulated and nat
by astrange 2y ago
IIRC Rosetta 1 did attempt to use the native x86 versions of system frameworks, but there were issues with floating point precision between the emulated and native code. I don't remember if they gave up on it, fixed it, or just left it like that.