Version 2.0.20200910 is available upstream. Please consider updating! It seems that version 2.0.20200910 is available upstream, while the latest version in the Gentoo tree is 1.9.1-r7. You think this warning is false? Read more about it here.
This package needs a new maintainer! If you are interested in helping with the maintenance of yacc, please get in touch with our Proxy Maintainers team.