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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 v2.1.221

Approvable PR-review artifact pages, switched off in this build

Not switched on
Useful2 Signal5
Artifacts Notable not in their notes

Approvable, stampable PR-review artifact pages are built in but completely unreachable in this build.

A /artifact-pr-review command with approve-and-stamp pages exists, but its enable check returns false.

Feature flag
tengu_walnut_sconce Not enough to say

Nothing here resolved what this flag was doing on this version, so nothing here should be read as on or off.

This account: no value returned · anonymous baseline: no value returned · compiled default in v2.1.221: on

These values were read against a different version of Claude Code, so treat them as the nearest reading available instead of one taken on this release.

Read once, for one account on one subscription tier, against v2.1.221. It isn't a statement about your account. What a flag value here can and cannot tell you

/artifact-pr-review
What

A large amount of new machinery for PR-review pages that can be approved and stamped is present but unreachable.

Details
  • Includes a prr-stamp island, a pinned stamp-control markup fragment, an approve script, and auto-react wiring on publish.
  • Adds a pr_review_started telemetry event tagged with lane composed or legacy.
  • A validator refuses stamped pages published outside the composed lane.
  • The /artifact-pr-review command's isEnabled resolves to a function that returns false, so nothing here is reachable.
  • The composed lane additionally sits behind tengu_walnut_sconce, whose fallback is off.
Evidence

approve-enabled review pages publish only through the composed lane

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 v2.1.221 →