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Sweep 22 Oct 2026 · 04:32Z Build v2.1.308 527 read Stable v2.1.308 Latest v2.1.308 Next v2.1.308 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.223 ·

Parked AskUserQuestion can abort the turn when the control stream closes

Closing the control stream while a question waits can now cancel the turn, but that path stays off.

Nothing to try yet In Development
JSON All of v2.1.223
Nothing to try yetTier: how much it should matter to you
2Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
SDK ControlArea: what it touches
In DevelopmentKind: in v2.1.223,
In DevelopmentSection of the release

Abort-on-stream-close for parked questions exists but only runs when a remote gate reads "interrupt"; the built-in fallback is "off".

What

When the permission stream closes while an AskUserQuestion is parked, a new path aborts the query instead of preserving the park, but it requires a gate value not set in this build.

Details
  • the SDK control-request handler gained a streamCloseInterruptRequestIds set and a setOnStreamClosedWithParkedQuestion hook
  • on stream close with a parked question the callback fires, aborting the current query with reason "shutdown", and the error is rethrown
  • emits telemetry tengu_auq_park_interrupted_at_stream_close
  • gated on tengu_cinder_swift; the path runs only when the value is exactly "interrupt", and the in-source fallback is "off"
Evidence

tengu_auq_park_interrupted_at_stream_close

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

Read from
Feature flag
tengu_cinder_swift Not enough to say

Nothing here resolved what this flag was doing on this version, so nothing here should be read as on or off.

This account: no value returned · anonymous baseline: no value returned · compiled default in v2.1.223: not a boolean we can read

These values were read against a different version of Claude Code, so treat them as the nearest reading available instead of one taken on this release.

Read once, for one account on one subscription tier, against v2.1.223. It isn't a statement about your account. What a flag value here can and cannot tell you

What has happened since
Flag reading moved The flag server now returns "interrupt" for tengu_cinder_swift, read as this account. A reading is one sample. Claude Code evaluates its flags remotely, so no client sees the targeting rule behind a value and this says nothing about your account.
Flag reading moved The flag server now returns nothing at all, having stopped carrying it for tengu_cinder_swift, read as this account. A reading is one sample. Claude Code evaluates its flags remotely, so no client sees the targeting rule behind a value and this says nothing about your account.

See this across every release →

How sure we are
One source agreesOne thing we can check says the same as this entry.
The name it cites is new in this buildNew in this build: tengu_cinder_swift

See this entry in the whole of v2.1.223 →

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