You'll noticeTier: how much it should matter to you
3Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
Terminal UIArea: what it touches
ImprovementsKind: in v2.1.228,
ImprovementsSection of the release
What
Background shell completion, subagent finish, artifact watch lifecycle and observer notifications now attach the task id when queuing a notification. The queue already used that id to avoid notifying the same task twice and to release keepalives, so you should see fewer duplicates.
Evidence
task-notification
Strings lifted out of the shipped bundle, so the claim above can be checked against them.