There was recent story about f-droid running ancient x86-64 build servers and having issues due lacking isa extensions https://news.ycombinator.com/item?id=448

There was recent story about f-droid running ancient x86-64 build servers and having issues due lacking isa extensions https://news.ycombinator.com/item?id=44884709 https://news.ycombinator.com/item?id=44884709 but generally it is rare to see higher than x86-64-v3 as a requirement, and that works with almost all CPUs sold in the past 10+ years (Atoms being prominent exception).