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Sweep 22 Oct 2026 · 21:04Z Build v2.1.309 528 read Stable v2.1.308 Latest v2.1.309 Next v2.1.309 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.246 ·

Turn start and completion go through a named lifecycle object

Turn start and finish go through a named lifecycle object, and starts can be aborted.

Under the hood Internal Changes
JSON All of v2.1.246
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
Session LoopArea: what it touches
Internal ChangesKind: in v2.1.246,
Internal ChangesSection of the release
What

Turn spans are raised through raiseTurnStart and raiseTurnComplete on a shared object instead of loose functions, and turn start now receives an abort callback that cancels the turn with a "turn-abort" reason.

Details
  • The bridge result carries the turn attribution key unless the turn was aborted.
  • A successfully generated Haiku session title now also pushes that title to the bridge.
Evidence

raiseTurnStart

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

See this entry in the whole of v2.1.246 →

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