I don't know why I didn't think the terminal output said anything useful.
On a second look, it really does appear to:
```
$ gnome-tweaks
** (..gnome-tweaks-real-real:2439): WARNING **: 22:15:34.941: Failed to load
shared library 'libsoup-2.4.so.1' referenced by the typelib: libsoup-2.4.so.1:
Hello Guix,
Today I noticed that gnome-tweaks in unable to manage gnome shell
extensions. I have the gnome-shell-extensions package installed in my
profile, but the extensions tab in tweaks says, "no extensions installed".
However extensions are installed, and the two extensions I enabled
pre