Impressively long support. OpenBSD dropped support for i486 in 6.8, a bit under 5 years before Linux did (Oct 18, 2020). This happened when it was decided to ensure 64-bit atomics were always available.

21 comments a couple days ago: https://news.ycombinator.com/item?id=43928570

Is it common for os vendors to support 18 year old dead hardware when it has no financial incentive to do so?