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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 v1.0.63 Home All releases olderv1.0.62 v1.0.64newer
Claude Code v1.0.63

Message Processing

  • New w$B function for extracting control sequences from user messages
  • Added B68 function for handling output mode metadata
  • Implemented $Z1 for finding checkpoint IDs in message sequences

See this entry in the whole of v1.0.63 →