MarsSeed [1] filed a deletion request for qt5-shadertools-git [2]: Development discontinued, as per project README. [a]
[a]: https://github.com/jcelerier/qtshadertools#readme [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/qt5-shadertools-git/
