Claude Code v2.1.219 ·
Workshop and sidecar slug state now propagates out of forked agent contexts
Subagents can now pass workshop and sidecar tracking state back to your main session.
Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
0Signal: worth watching, 1 to 5
ElsewhereArea: what it touches
Internal ChangesKind: in v2.1.219,
Internal ChangesSection of the release
What
The allowlist of AppState keys a forked or subagent context may write back to the parent session grew from one key to three.
Details
ASYNC_SHARED_APP_STATE_KEYS previously held only frameUrls- it now also includes
workshopVerifiedSlugs and sidecarHistorySlugs
Evidence
ASYNC_SHARED_APP_STATE_KEYS
Strings lifted out of the shipped bundle, so the claim above can be checked against them.
See this entry in the whole of v2.1.219 →