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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 ·

Workflow scripts can append to a session with $.session.append

Workflow scripts gain $.session.append, which appends to a session without sending a turn, next to the existing send

Use it now Notable New Features
JSON All of v2.1.285
Use it nowTier: how much it should matter to you
5Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
WorkflowsArea: what it touches
New FeaturesKind: in v2.1.285,
What probably matters to youSection of the release
What

Workflow scripts could already send a message into a session with send. They now also have $.session.append, which appends to the session. Both now check their input the same way.

Why

A script can add to a session without sending Claude a new turn to answer.

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 appending does to the session once it arrives.

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