You'll noticeTier: how much it should matter to you
2Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
CachingArea: what it touches
Internal ChangesKind: in v2.1.248,
Internal ChangesSection of the release
What
The prompt-cache invalidation tracker now takes a callback for message hashes and the raw messages, and stores the request body behind a function instead of building it up front. Same recorded data, less work per request when no diagnosis is requested.
Evidence
getMessageHashes
Strings lifted out of the shipped bundle, so the claim above can be checked against them.
