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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 v2.1.242

Rate-limit banner can show a projected reset time for one experiment arm

You'll notice
Useful3 Signal3
Rate Limits

Some accounts now see an estimated reset time on the rate-limit banner; others see none.

What

When you are rate limited and no known reset time is available, the banner computes a projected time, but only for accounts whose low-priority-offer experiment arm is set to "treatment". Everyone in the control arm sees the previous behaviour, with no time shown.

Details
  • The projected value is used only when neither an active rate-limit phase nor a known reset timestamp supplies one.
  • The arm value arrives from server-side configuration, so nothing in this build decides who is in it.
Evidence

lowPriorityOffer

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 v2.1.242 →