1.8.1 was a server version of Java Edition Classic released on June 20, 2009, at 21:04 UTC.[1]
Fixes[]
Fixed a protocol error leading to players not being able to connect to servers.[2]
References[]
IRC logs on Archive.org; #minecraft.20090620.log. June 20, 2009 (UTC−5).
↑IRC logs: "P4:04:49 <Notch> try now, new minecraft-server.zip" (21:04:49 UTC)
↑IRC logs: "P4:04:06 <C418> well I can't connect to your server" [...] "P4:04:15 <Rroff|afk> I can't connect to my server either" [...] "P4:04:49 <Notch> try now, new minecraft-server.zip" [...] "P4:06:37 <Miclee> Notch, your test server works." (21:04 to 21:06 UTC)