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Sweep 28 Sep 2026 · 18:16Z Build v2.1.284 505 read Stable v2.1.277 Latest v2.1.284 Next v2.1.284 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.280 ·

New abort-check helper for local agents and in-process teammates

Added a helper to check whether local agents or in-process teammates have been aborted

Under the hood Internal Changes
JSON All of v2.1.280
Under the hoodTier: how much it should matter to you
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1Signal: worth watching, 1 to 5
SwarmArea: what it touches
Internal ChangesKind: in v2.1.280,
Internal ChangesSection of the release
What

Claude Code adds a helper function that checks whether a piece of work has been cancelled. For a local_agent, it checks that agent's own abort signal; for an in_process_teammate (a teammate running in the same process), it checks a separate currentWorkAbortController abort signal.

Why

This lets Claude Code correctly detect cancellation for both local agents and in-process teammates, which are tracked differently internally.

See this entry in the whole of v2.1.280 →

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