Description
Add a category-based menu for apps. This extension is part of Classic Mode and is officially supported by GNOME. Please do not report bugs using the form below, use GNOME's GitLab instance instead.
Screenshot

Add a category-based menu for apps. This extension is part of Classic Mode and is officially supported by GNOME. Please do not report bugs using the form below, use GNOME's GitLab instance instead.

User Reviews
After some troubleshooting, I was able to resolve this by installing the GMenu library.
$ sudo apt install gir1.2-gmenu-3.0
by @dandaman96
Error encountered upon install.
Debian 6.12.57-1
GNOME Shell 48.4
"$ journalctl /usr/bin/gnome-shell -f -o cat" returns:
Can't update stage views actor unnamed [MetaWindowActorX11] is on because it needs an allocation.
Can't update stage views actor unnamed [MetaSurfaceActorX11] is on because it needs an allocation.
Extension apps-menu@gnome-shell-extensions.gcampax.github.com: Error: Requiring GMenu, version none: Typelib file for namespace 'GMenu' (any version) not found
Stack trace:
require@resource:///org/gnome/gjs/modules/esm/gi.js:16:28
@gi://GMenu:3:25
@resource:///org/gnome/shell/ui/init.js:21:20
by @dandaman96
shows "Error" when attempting to activate on NixOS 25.11 (Xantusia) x86_64 Unstable
by @shrek@nixos
I am getting an error. Nobara 42, Gnome 48, trying to install from Firefox 144 (if that makes any difference). There's no error message, just a big red ERROR button where the ON/OFF toggle should be.
by @Hadri
For Debian 13 users whose extensions aren't working, try installing the following libraries:
libgirepository1.0-dev
gir1.2-gmenu-3.0
by @fihr