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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.

← All of v2.1.210 Home All releases ←olderv2.1.209 v2.1.211newer→
Claude Code v2.1.210

  • Background daemon no longer exits on ECONNRESET errors originating from the HTTP server's internal connection handling. The error is now swallowed with a debug log rather than causing a crash (search for "Swallowed unhandled http.Server ECONNRESET rejection")
  • MCP telemetry for claude-in-chrome and computer-use tools no longer logs tool names outside the known action set, preventing false positives in usage metrics (search for the updated Cee function which checks R3n(r.serverName))
  • Worktree branch deletion error messages now consistently include a configurable label rather than a hard-coded prefix, making them easier to attribute in logs (search for "Could not delete worktree branch" vs. the old hard-coded "Could not delete worktree branch:")
  • Auto-mode autoMode.environment validation now rejects entries that contain the "$defaults" template token, preventing placeholder tokens from being written verbatim into settings (search for "contains an entry with a literal \"<settings_\" template token")

See this entry in the whole of v2.1.210 →