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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 v2.1.224

Sandbox proxy logs blocked requests and repairs lost request framing

You'll notice
Useful3 Signal1
Sandbox

The sandbox proxy now logs each denied request with its method, URL and reason.

What

The sandbox's HTTPS proxy now logs each denied request with its method, URL and the reason it was denied, so a blocked network call is traceable rather than silently failing.

Details
  • The proxy takes a denial callback; the log message is assembled at the time of the denial.
  • When an incoming request has a body but the outgoing headers ended up with neither content-length nor transfer-encoding, the proxy sets transfer-encoding: chunked so the body is still framed correctly.
  • If either side of the connection died while the request filter was running, the proxy now tears the connection down cleanly.
Evidence

onFilterRequestDenied

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 v2.1.224 →