1. Please remove .po, .pot and screenshot.png files: https://wiki.gnome.org/Projects/GnomeShell/Extensions/Review#Don.27t_include_unecessary_files 2. "40.5" only supports 40.0, ..., 40.5 but "40" will support all minor versions of "40". You may want to change that to "40". 3. Lang is a deprecated module. Please remove it for the next version (Only supports 3.36 and higher): https://wiki.gnome.org/Projects/GnomeShell/Extensions/Review#General_Advice Learn how to remove Lang from your code: https://gjs.guide/guides/gjs/legacy-class-syntax.html 4. Use initTranslations() and getSettings() from ExtensionUtils instead of creating your own custom functions (3.36 and higher): https://gitlab.gnome.org/GNOME/gnome-shell/-/blob/main/js/misc/extensionUtils.js If you need any help with your extension you can ask us on: GNOME Matrix channel: https://matrix.to/#/#extensions:gnome.org IRC Bridge: irc://irc.gimpnet.org/shell-extensions