1000x700 is the maximum recommended screenshot size on flathub[0]. As that's a primary use case of the extension, it makes sense to include the size. [0] https://docs.flathub.org/docs/for-app-authors/metainfo-guidelines/quality-guidelines/#reasonable-window-size Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell-extensions/-/merge_requests/317>