Version 22.214.171.124 is available upstream. Please consider updating!
It seems that version 126.96.36.199 is available upstream, while the latest version in the Gentoo tree is 2.2.20. You think this warning is false? Read more about it here.
This is the Unidata Units library, which supports conversion of unit
specifications between formatted and binary forms, arithmetic
manipulation of unit specifications, and conversion of values between
compatible scales of measurement.