Version 18.104.22.168 is available upstream. Please consider updating!
It seems that version 22.214.171.124 is available upstream, while the latest version in the Gentoo tree is 126.96.36.199. You think this warning is false? Read more about it here.
This package defines a class, 'Hashable', for types that
can be converted to a hash value. This class
exists for the benefit of hashing-based data
structures. The package provides instances for
basic types and a way to combine hash values.