The system prompt snapshot mechanism, used to detect and replay system prompt drift, now tags results with a source value of from_snapshot, live_recorded, or live_unrecorded, along with a snapshotHash. It also factors in a hostPrompt fingerprint that accounts for custom or appended system prompts and whether the session is local, remote, or Chrome-launched.
System prompt snapshot recording now tracks provenance and hash
System prompt snapshotting now tracks provenance and a hash to detect drift.
Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
ElsewhereArea: what it touches
Internal ChangesKind: in v2.1.260,
Internal ChangesSection of the release