simdgroup_async issues - Xcode Version 15.0.1 (15A507) / M3 Max 14.1.2 (23B2091)

metal_config in the toolchain doesn't mention __HAVE_SIMDGROUP_FUTURE__, seems the headers referred to here: https://github.com/dougallj/applegpu/issues/28 were removed altogether from newer versions of Xcode (using 15.0.1 / 15A507) I was able to find matching strings from the above github issue inside of libapplegpu-nt.dylib with the 15.0.1 toolchain: objdump --disassemble --demangle /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/metal/macos/lib/libapplegpu-nt.dylib > /tmp/symbols.txt 127b704: 08 91 16 91 add x8, x8, #1444 ; literal pool for: "air.simdgroup_async_copy_1d" 127b708: 60 f6 04 f9 str x0, [x19, #2536] 127b70c: 68 e2 04 f9 str x8, [x19, #2496] 127b710: 28 08 00 b0 adrp x8, 261 ; 0x1380000 127b714: 08 01 17 91 add x8, x8, #1472 ; literal pool for: "air.simdgroup_async_copy_2d" I didn't pursue this further though to see if things can still be patched up or if the functions are still usable & correct. Is there interest / would there be positive reception to a PR using alternative read & write mechanisms in lieu of simdgroup_async? Thanks!