LLVM is introducing v1 to v4 of x86-64, so you can target newer chips: https://github.com/llvm/llvm-project/commit/012dd42e027e (gcc will do the same thing)
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Apple is designing laptops/desktops around their ARM chips!
https://arstechnica.com/gadgets/2020/04/report-apple-will-begin-selling-macs-with-its-own-processors-in-2021/
Apple likes integration, but I wonder what the top-end performance will be like. Benchmarks of PowerPC vs Intel were often hard to compare.
Yet another side channel attack in CPUs: https://www.zdnet.com/article/intel-cpus-impacted-by-new-zombieload-side-channel-attack/
(Big incentive to upgrade when fixed chips are available!)
The new iphone is shipping with x86 chips for the baseband processor!