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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 v2.1.309 ·

Claude is told the name of an attached machine and how to check background commands

Instructions about an attached machine now name it, and tell Claude to read a background command's output there because it never reports finishing

You'll notice Improvements
JSON All of v2.1.309
You'll noticeTier: how much it should matter to you
2Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
Attached MachinesArea: what it touches
ImprovementsKind: in v2.1.309,
ImprovementsSection of the release
What

Claude can work on an attached machine, meaning another computer connected to the session. The instructions Claude gets about that machine now include its name. They also tell Claude that a background command started on the attached machine never tells the session when it finishes. To find out what happened, Claude should read the command's output file or run cat or tail on that machine.

Why

Claude is now told plainly to go and check a background command's output, rather than wait for a finished message that will never come. Naming the machine also makes it clear which computer the instructions are about.

See this entry in the whole of v2.1.309 →

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