According to https://www.libressl.org/releases.html, LibreSSL 3.0.2 was released on October 19th, 2019. So it's exactly two years out of date.

edit: on my windows 10 21H1, the timestamp in COFF/File header for ssh.exe shows '1584509394' (Wed, 18 Mar 2020 05:29:54 UTC).