FredBezies [1] filed a deletion request for newmoon-git [2]:
You can read this on github repository :
"This repository and incarnation of Pale Moon is no longer maintained.
The new home for Pale Moon (v28+) is in the UXP platform repo where it
is one of the included applications with the platform. Do NOT open new
feature/bug issues on this repo, please."
[1] https://aur.archlinux.org/account/FredBezies/
[2] https://aur.archlinux.org/pkgbase/newmoon-git/