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Sweep 02 Oct 2026 · 18:55Z Build v2.1.288 509 read Stable v2.1.285 Latest v2.1.288 Next v2.1.288 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.288 ·

Reworded messages when a shell command cannot be checked, plus smaller internal changes

Messages about shell commands that cannot be checked before running were reworded, alongside several small internal changes

You'll notice Improvements
JSON All of v2.1.288
You'll noticeTier: how much it should matter to you
1Useful: my rating, 1 to 5
0Signal: worth watching, 1 to 5
Bash ToolArea: what it touches
ImprovementsKind: in v2.1.288,
ImprovementsSection of the release
What

A mix of small changes:

  • Messages saying a shell command cannot be checked before it runs were reworded, for example "The program xargs gives ... can't be checked before it runs".
  • The reason recorded for one such case is now an unsupported shell rather than an unsupported interpreter.
  • The device channel, a connection Claude Code uses to exchange messages, gained a setting for admitting messages from people on a project.
  • Two usage events were added, and some existing usage data is now gathered differently.
Why

These are mostly internal. The part you might notice is the wording of messages about shell commands Claude Code cannot check before running.

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 device channel setting or the other internal changes control.

See this entry in the whole of v2.1.288 →

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