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Sweep 29 Sep 2026 · 18:10Z Build v2.1.285 506 read Stable v2.1.280 Latest v2.1.285 Next v2.1.285 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.285 ·

Cancelling also clears a pending attach that was on hold

Cancelling now also clears an attach that was being held, and a turn now waits for the session to settle before it starts

Under the hood Internal Changes
JSON All of v2.1.285
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
SessionsArea: what it touches
Internal ChangesKind: in v2.1.285,
Internal ChangesSection of the release
What

When you cancel, Claude Code now also clears an attach that was being held and had not finished yet. Messages from a turn are now added through a single append step. A turn is one round of you sending something and Claude answering. The session also waits for its state to settle around the start of each turn.

Why

This may prevent timing problems when a remote session is cancelled while it is still starting up.

How sure we are
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubtIt is not clear what the held attach is or which kinds of session this affects.

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