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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 v2.1.77

/branch Command (renamed from /fork)

What

The /fork command has been renamed to /branch for creating a branched copy of the current conversation. The old /fork name is preserved as an alias for backward compatibility.

Usage
/branch
Details
  • Creates a branch of the current conversation at the current point
  • All user-facing text updated: "Forked conversation" → "Branched conversation", "No conversation to fork" → "No conversation to branch"
  • /fork still works as an alias — no migration needed
  • Error messages updated accordingly: "Failed to branch conversation", "No messages to branch"
Evidence

Slash command definition (search for "Create a branch of the current conversation") — aliases include "fork" for backward compat

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

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 v2.1.77 →