I’ve written a GNOME shell extension for gnome3.30-3.32 using: Updating to 3.34 version, ExtensionUtils does not provide the ‘extension’ property, and I don’t know to find the documentation about it. How can I fix the issue? Answer The code you’re looking for, the map of loaded extensions, is also a part of the ExtensionSystem module, whereas the ExtensionUtils module is