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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 v2.1.223 Home All releases ←olderv2.1.222 v2.1.224newer→
Claude Code v2.1.223

Stats cache is sanitised before it is trusted

You'll notice
Useful2 Signal0
Usage & Limits

Corrupt usage-stats cache is repaired or rebuilt instead of showing you garbage numbers.

What

The cached usage-stats aggregate is normalised defensively on load, and falls back to a full rescan when it cannot be repaired.

Details
  • Non-finite numbers are coerced to 0.
  • __proto__ model keys are dropped.
  • Dates must survive a strict YYYY-MM-DD round-trip to be accepted.
  • If no usable date can be recovered, aggregates are reset for a full rescan and a debug line is emitted.
Evidence

resetting aggregates for a full rescan

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 v2.1.223 →