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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.

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Claude Code v0.2.123

Internal Changes

  • New Utility Functions:
  • EU4(): Combines and deduplicates arrays
  • yZ2(): Checks for set intersections
  • a25(): Merges message contents
  • vS2(): Finds related tool uses in conversation
  • Improved Tool Filtering: Enhanced logic for filtering available tools based on permissions and MCP capabilities
  • Code Organization: Better separation of concerns for model management, diagnostics, and permissions

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 v0.2.123 →