You'll noticeTier: how much it should matter to you
4Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
HooksArea: what it touches
ImprovementsKind: in v2.1.227,
What probably matters to youSection of the release
What
Text produced by hooks is turned into visible assistant messages in the streamed output and counted as displayable by the output filter, so it reaches SDK consumers instead of being dropped.
Evidence
hook_system_message
Strings lifted out of the shipped bundle, so the claim above can be checked against them.
