- Patrol: https://phabricator.wikimedia.org/T283220
- Finish page restrictions store https://phabricator.wikimedia.org/T218395 - perhaps makes sense to start over?
- UndeletePage command https://phabricator.wikimedia.org/T279153
- DeletePage command: started at https://gerrit.wikimedia.org/r/c/mediawiki/core/+/678709
- Less well-defined: LinksLookup service https://phabricator.wikimedia.org/T279433
- Merge config hook and migrate extensions to it.

- explore usage of Title in Special pages https://gerrit.wikimedia.org/r/c/mediawiki/core/+/698839
- Remove Title from method signatures in the search directory https://gerrit.wikimedia.org/r/c/mediawiki/core/+/682174
- LinkCache: deprecate string keys https://gerrit.wikimedia.org/r/c/mediawiki/core/+/699263
- Deprecate LinkCache::addGoodLinkObj() https://phabricator.wikimedia.org/T284955
-  remove Title from method signatures in CategoryViewer https://gerrit.wikimedia.org/r/c/mediawiki/core/+/678243 
- replace usage of Title in BacklinkCache 
- replace usage of Title in WikiImporter (careful about the callbacks, though)
- explore removal of Title from File/FileRepo and friends. May be too big. 
- replaceusage of Title in HTMLForm (will have to convert to Title until Title.:getLocalURL has been extracted; deprecating getTitle will take more work)
- replace usage of Title in TextboxBuilder (internal conversion needs ProtectetionManager)