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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 v2.1.248

Worker check-in notifications renamed

Under the hood
Useful1 Signal1
Background Work

The background work reminder is now named worker-checkin instead of coordinator-worker-checkin.

What

The periodic reminder about dispatched background work now identifies itself as worker-checkin rather than coordinator-worker-checkin, in both the notification and the code that matches on it.

Details
  • The scheduler call replaceCoordinatorWorkerCheckin became replaceWorkerCheckin and now records intervalMs.
  • Nearby, new subscription helpers appear for sessionAgentNameChanged and sessionTitleChanged.
Evidence

worker-checkin, e.origin.source === "worker-checkin"

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 v2.1.248 →