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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 v2.1.223

Session-file message cache consolidated

Under the hood
Useful1 Signal0
Elsewhere

Session message loading now uses one cache instead of three, with no change you'll see.

What

The caching behind session message loading was collapsed from three separate memoized caches into one memoized session-messages loader, changing what the reset helper has to clear.

Details
  • The reset helper now clears the single memoized session-messages loader instead of three caches.
  • A separate new helper clears two workload caches plus a nested one.
  • The test-reset path for another module switched from calling clearForTest() to clearing two maps directly.
  • No user-visible surface; failures during load still report through the same message.
Evidence

getSessionMessages: loadSessionFile failed:

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

See this entry in the whole of v2.1.223 →