Special:Recentchanges?action=purge&feed=atom,
but note need $wgGroupPermissions[...]['purge'] permission.
-User:
- key: $wgDBname:user:id:$sId
- ex: wikidb:user:id:51
- stores: instance of class User
- set in: User::saveToCache()
- cleared by: User::saveSettings(), User::clearSharedCache()
-
... more to come ...