If you "ping" a user both in the text and in the edit summary, that user gets two notifications; instead, they should get only one.
- Duplicates Merged Here
- T296219: Receive notification twice in one edit by both content and summary mention
T234981: User mentioned inside edit and also in its summary is notified twice
T212882: Help panel: including User page in "Include page title with my question" will trigger two mention notifications