Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
ElsewhereArea: what it touches
Internal ChangesKind: in v2.1.317,
Internal ChangesSection of the release
What
Messages waiting in a queue can now carry an optional reason saying why they were sent. The reason is a short label of lowercase letters and underscores, up to 40 characters. A label in any other form is dropped without an error.
Why
It lets a queued message say what caused it to be sent.
