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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 GetTask cannot be called if it tries to use it

Calling GetTask now returns an error telling Claude that background command results arrive on their own

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

If Claude tries to call GetTask, which is not an available tool, it now gets a dedicated error back. The error says GetTask cannot be called and that a background command's result, from a command left running while Claude does other work, arrives by itself when the command finishes, unless the message that started it said otherwise.

Why

It stops Claude from repeatedly checking on background commands instead of waiting for their results.

See this entry in the whole of v2.1.309 →

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