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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 v2.1.248

--restricted refuses attachments from outside the working directory

You'll notice
Useful3 Signal2
Restricted Mode

In restricted mode, attachments from outside your working directory are rejected up front.

--restricted
What

File attachments that live outside the working tree are now rejected up front in restricted mode, with the message "--restricted only sends files from inside it." instead of being read and sent.

Details
  • The check runs before the file is stat'd, so a path outside the tree fails immediately rather than after a filesystem probe.
  • Only applies when Claude Code is launched with --restricted.
Evidence

--restricted only sends files from inside it.

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 v2.1.248 →