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Sweep 22 Oct 2026 · 04:32Z Build v2.1.308 527 read Stable v2.1.308 Latest v2.1.308 Next v2.1.308 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.300 ·

The Bash tool now refuses a new kind of command unless you typed it

Claude Code's Bash tool now rejects commands that match a new check with error code 13, unless you typed the command yourself

You'll notice Improvements
JSON All of v2.1.300
You'll noticeTier: how much it should matter to you
1Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
Bash ToolArea: what it touches
ImprovementsKind: in v2.1.300,
ImprovementsSection of the release

Unclear Which commands the new check blocks, and the message shown when it does, is not clear.

What

The Bash tool is how Claude runs shell commands on your machine. It now has a new check on each command:

  • When Claude proposes a command that matches it, the command is rejected before it runs, with error code 13.
  • When the command is about to run, the same check stops it, unless you typed the command yourself.
Why

Some commands that ran before may now be blocked outright when Claude tries them, while still running when you enter them yourself.

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 doubtWhich commands the new check blocks, and the message shown when it does, is not clear.

See this entry in the whole of v2.1.300 →

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