Feature summary If User:Alice has subpages under their own userpage, and User:Bob moves one of those subpages, then User:Alice should be notified.

Benefits: This would help users to be aware of good-faith or malicious page-moves that are directly related to them.

Requested here at Enwiki.

See also:

• T166924: Notify user when someone else creates a user-subpage for them
• T5234: Extend edit-user-talk notification to include edits to subpages of a user's talk page