Thanks for reporting. Regarding joining or helping out as a package maintainers (unfortunately a lot of packages in Ubuntu don't have dedicated maintainers), it looks like https://wiki.ubuntu.com/UbuntuDevelopers#Per-package_Uploaders might be a place to start.
I looked a bit into this and found that the Debian maintainers have packaged a version of 0.16, albeit only in the experimental archive so far, see https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=852078 for details. Normally new versions are only added to the development version, though they may be backported to older, stable releases (https://help.ubuntu.com/community/UbuntuBackports) or adding specific critical fixes (https://wiki.ubuntu.com/StableReleaseUpdates) ** Bug watch added: Debian Bug tracker #852078 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=852078 ** Tags added: upgrade-software-version -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1685174 Title: mkdocs need update and a maintainer from there To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/python-mkdocs/+bug/1685174/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs