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DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

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Claude Code v2.1.45

Improved Sandbox Temporary Directory Documentation

What

The Bash tool system prompt now provides clearer guidance on using temporary directories in sandbox mode.

Details
  • Now recommends using $TMPDIR environment variable instead of hardcoded /tmp/claude
  • Notes that TMPDIR is automatically set to the correct sandbox-writable directory
  • Advises that most programs respecting TMPDIR will automatically use the correct directory
Evidence

Updated bash system prompt (search for "TMPDIR is automatically set to the correct sandbox-writable directory")

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

Related

Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.

See this entry in the whole of v2.1.45 →