"FCGU" was a Git repo for PKGBUILDs as well as a binary repo of GNOME pre-releases for Arch Linux.

Because the project lead is now part of the Arch Linux crew, FCGU was dropped in favor of Arch' gnome-unstable Repo.

You can still support me!

Feel free to join us at our matrix group or ping me on Matrix, or on Fediverse/Mastodon directly. 😜️

The repo needs to be removed from /etc/pacman.conf

[fcgu]
Include = /etc/pacman.d/fcgu-mirrorlist

When that's done a pacman -Syuu will downgrade all packages to the Arch-repo versions. After thats done, you need to check for additional packages who where not removed but can conflict with your installation. Check with pacman -Qm and remove them.