MarsSeed [1] filed a deletion request for qtcreator-doxygen [2]: Broken, discontinued Qt Creator 4.x plugin from 4 years ago. [a] Not compatible with current qtcreator (12+). [a]: https://github.com/fpoussin/qtcreator-doxygen [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/qtcreator-doxygen/