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Reading a new release v2.1.251 Analysing changes · 2/5 Sorting the findings · 1/4 steps 470 findings $18.91 so far

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 v2.1.70

CA Certificate Configuration from Settings

What

Claude Code now reads NODE_EXTRA_CA_CERTS from your config and user settings files, applying them automatically at startup — no need to set environment variables manually.

Details
  • On startup, if NODE_EXTRA_CA_CERTS is not already set in the environment, Claude Code checks globalConfig.env and userSettings.env for the path
  • Supports --use-system-ca flag to load system CA certificates via the Node.js tls.getCACertificates API
  • Custom CA certificates are now also applied to WebSocket connections (both Bun and Node.js)
  • Cache clearing added for CA certificates, mTLS configuration, and proxy agents
Evidence

CA certificate loader (search for "CA certs: Applied NODE_EXTRA_CA_CERTS from config to process.env")

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 v2.1.70 →