Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
Session StateArea: what it touches
Internal ChangesKind: in v2.1.228,
Internal ChangesSection of the release
What
MCP wiring, interaction and idle tracking, model overrides, refusal-fallback latches, command and Slack completion caches and artifact notice coalescing now live in classes held in a WeakMap keyed by a session root instead of shared module-level variables. Several reset() methods went away, since discarding the root now discards the state.
Evidence
refusalFallbackLatchOriginRequestId
Strings lifted out of the shipped bundle, so the claim above can be checked against them.
