i686 will no longer be a supported platform of Arch Linux. [1]
This is the second time that I witness an x86 architecture "die". The
last time was the death of 80286, which essentially happened with OS/2
2 and Windows 3.11.
(Yeah, yeah, it's only Arch. Still important.)
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1.
https://www.archlinux.org/news/phasing-out-i686-support/