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Sweep 12 Nov 2026 · 23:00Z Build v2.1.323 540 read Stable v2.1.311 Latest v2.1.323 Next v2.1.323 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.323 ·

Shell command checks flag more tricky command patterns

Claude Code's shell command checker now flags more patterns it may misread and has a time limit on its work

You'll notice Improvements
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Unclear It is not clear what these flags change in practice, or which of them are switched on.

What

Before running a shell command, Claude Code reads it to judge whether it is safe. That reader now flags more patterns it might misread:

  • Bracket words.
  • Brace expansion edge cases.
  • = inside a [[ ]] test.
  • # inside a [[ ]] test.
  • Digits right before a redirect, such as 2>.

It also now has a CPU time limit and caps on how long substituted variable text can grow. Some of these flags appear to depend on an internal switch.

Why

The command safety check is harder to fool. More commands may be treated as too complex to allow automatically, so you may be asked about them.

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 these flags change in practice, or which of them are switched on.

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