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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 v2.1.251 Home All releases ←olderv2.1.250
Claude Code v2.1.251

The three ultraplan outcomes now actually do something

Use it now
Useful4 Signal4
Plan Mode

After approving an ultraplan you can implement it here, start a fresh session, or cancel.

What

After you approve an ultraplan in the browser, all three choices are now implemented: implement it in the current session, start a fresh session with it, or cancel.

Details
  • Implement here queues the plan as a prompt in the running session.
  • Fresh session starts a new one with the plan as the first message, and can save or clear the previous session first.
  • Cancel writes the plan to disk and tells you the file path.
Evidence

The user approved the ultraplan in the browser and chose to implement it in this session

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 v2.1.251 →