Several forms are there than can be migrated.
|Open||None||T49145 Formally deprecate jQuery UI after we've stopped using jQuery UI in extensions and core (replacing it with OOUI).|
|Open||None||T100270 Replace use of jQuery UI and MW UI with OOUI across all Wikimedia-deployed extensions and core|
|Open||None||T122014 Convert all extensions/skins to OOUI|
|Open||None||T208687 Convert SecurePoll to use OOUI|