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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 v2.0.0 29 Sep 2025

MultiEdit Tool

What: The MultiEdit tool has been removed entirely

Reason: The Edit tool provides all necessary file editing capabilities, and having both tools caused confusion.

Migration: Use the Edit tool for all file modifications. For multiple edits to the same file, Claude will use Edit multiple times as needed.

Evidence: Variable sH = "MultiEdit" at line 365916, tool registration in arrays at line 428943, prompts mentioning MultiEdit at lines 440925-440941 in v1.0.128 - all removed in v2.0.0

See this entry in the whole of v2.0.0 →