This category may not be up to date; it may not show all extensions that use this hook. You can view this MediaWiki Code search query to see the most up-to-date version of all extensions that use this hook.
The SidebarBeforeOutput category contains pages on extensions that use the SidebarBeforeOutput hook.
Pages in category "SidebarBeforeOutput extensions"
The following 21 pages are in this category, out of 21 total.