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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 v0.2.43 Home All releases olderv0.2.42 v0.2.44newer
Claude Code v0.2.43

  1. Reduced String Operations: The removal of regex-based OSC sequence stripping (t59 regex) eliminates unnecessary string processing on every render.
  1. Simplified Render Pipeline: The output generation is now more direct, reducing the number of intermediate transformations.
  1. Memory Efficiency: Removed several string constants and helper functions that were used for OSC sequence handling.

See this entry in the whole of v0.2.43 →