Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
TelemetryArea: what it touches
Internal ChangesKind: in v2.1.237,
Internal ChangesSection of the release
What
The list of prompt identities that may be reported gains a key for the new Concise style, alongside the custom, Proactive, Explanatory and Learning keys, so sessions using it are distinguishable instead of collapsing into the generic key.
Strings lifted out of the shipped bundle, so the claim above can be checked against them.
How sure we are
One source agreesOne thing we can check says the same as this entry.
Anthropic's release notes agreeAdded a built-in "Concise" output style: Claude leads with results and skips preamble and narration, while doing the work just as…
