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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 v2.1.222

Turn-effort updates can skip creating an entry

Under the hood
Useful1 Signal0
Elsewhere

Empty effort updates no longer leave junk state behind for each agent.

What

The per-agent UI state updater no longer materializes a store entry for a no-op write.

Details
  • The updater takes a materialize option.
  • It skips creating an entry when both the effort and the model being set are null.
Evidence

materialize

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

See this entry in the whole of v2.1.222 →