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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 v2.1.234 Home All releases ←olderv2.1.233 v2.1.235newer→
Claude Code v2.1.234

Automatic history writes no longer eat your next history undo

You'll notice
Useful3 Signal1
Prompt History

History written automatically by Claude Code no longer becomes the target of your next history undo.

What

Prompt history entries written by Claude Code itself, rather than by you, are now recorded without arming the undo. Absorbing queued prompts mid-turn and draining the queue when agents are killed no longer make themselves the target of the next history undo.

Details
  • History add gained an option controlling this, passed false on both automatic paths; those writes also stop marking the last add as deduped.
Evidence

armUndo

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 v2.1.234 →