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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 v2.1.221

claude doctor reports sandbox credential-mask problems

Use it now
Useful3 Signal0
Sandbox

claude doctor now lists each sandbox credential-masking problem separately with a specific fix.

claude doctor
What

Doctor gained a check that surfaces sandbox mask-credential warnings as individual issues with a concrete fix, instead of leaving them as a single stderr line at startup.

Details
  • runs only when sandboxing is enabled and a mask warning is present
  • splits the warning on " ยท " and turns each part into its own issue
  • covers empty injectHosts, masks degrading to deny on macOS, and TLS termination not being enabled
Evidence

TLS termination is never enabled in scrub-only mode

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 v2.1.221 →