gnome-extension-manager is broken on NixOS 24.11

[2kool4idkwhat]

Describe the bug

gnome-extension-manager is broken on NixOS 24.11, only a blank window is shown when run. Terminal logs:

(extension-manager:18498): Gtk-CRITICAL **: 19:03:25.374: Error building template class 'ExmWindow' for an instance of type 'ExmWindow': .:0:0 Invalid object type 'ExmInstalledPage'

(extension-manager:18498): GLib-GObject-CRITICAL **: 19:03:25.823: g_object_set: assertion 'G_IS_OBJECT (object)' failed

(extension-manager:18498): GLib-GObject-CRITICAL **: 19:03:25.823: g_object_set: assertion 'G_IS_OBJECT (object)' failed

(extension-manager:18498): GLib-GObject-CRITICAL **: 19:03:25.823: g_object_set: assertion 'G_IS_OBJECT (object)' failed

(extension-manager:18498): GLib-GObject-CRITICAL **: 19:03:25.823: g_object_bind_property_full: assertion 'G_IS_OBJECT (target)' failed

Steps To Reproduce

Steps to reproduce the behavior:

1. nix run github:nixos/nixpkgs/nixos-24.11#gnome-extension-manager

Expected behavior

The app should actually display something

Screenshots

Additional context

The Flatpak version works fine

Metadata

• system: "x86_64-linux"
• host os: Linux 6.6.60, NixOS, 24.11 (Vicuna), 24.11.20241116.057f63b
• multi-user?: yes
• sandbox: yes
• version: nix-env (Nix) 2.24.10
• channels(root): ""
• nixpkgs: /nix/store/idq1bmwwy9rlkc21hccvx42wlwpxsx1f-source

Notify maintainers

@foo-dogsquared

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[llakala]

Can confirm.

[llakala]

Some relevant links: Issue report on Debian forums Issue on the repo itself Patch fixing the issue on the AUR I can try to make a PR tonight to fix this, if nobody has done it by then.