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Reading a new release v2.1.251 Analysing changes · 2/5 Deeper second pass · 0/5 agents 427 findings $12.75 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 v2.0.0

Migration Guide

  • MultiEdit → Edit: Simply use Edit tool; Claude will apply multiple edits as needed
  • Multilingual thinking → ultrathink: Replace language-specific triggers with "ultrathink"
  • Config commands → settings.json: Move allowedTools, ignorePatterns to .claude/settings.json permissions object
  • Model selection: Sonnet 4.5 is now default; explicit model selections are preserved

See this entry in the whole of v2.0.0 →