That is fake https://pkgs.alpinelinux.org/packages?name=glibc*&branch=edge&repo=&arch=&maintainer= I have felt for it too, but glibc-full doesn’t exist I have found a package on github though, that claims to add glibc, but whenever I tried to use it to, for example, run the nvidia installer, the entire thing just segfaults
Nouveau sadly doesn’t work for me, it’s abysmally bad performance even on X11
And the new compat layer is new for me, might give it a try