Version 5.7.2 is available upstream. Please consider updating! It seems that version 5.7.2 is available upstream, while the latest version in the Gentoo tree is 5.7.0-r2. You think this warning is false? Read more about it here.
Yubikey Manager is a python library and command line tool for
configuring any YubiKey over all USB transports. It's a CLI
successor of yubikey-neo-manager.