You'll noticeTier: how much it should matter to you
3Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
AgentsArea: what it touches
ImprovementsKind: in v2.1.248,
ImprovementsSection of the release
What
A prompt that exceeds the size limit now carries a banner reading "[prompt truncated: exceeded ..." with the size in KB filled in at runtime, so you can tell truncation happened rather than seeing silently shortened input.
Evidence
[prompt truncated: exceeded
Strings lifted out of the shipped bundle, so the claim above can be checked against them.