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.
Fact and rule engine callbacks are scheduled rather than queued as microtasks
Under the hood
Useful1Signal2
Elsewhere
Rule callbacks now run when the host schedules them instead of all at once.
What's wrong with this entry?
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What
Rules now fire through a schedulable hook instead of all landing in the next microtask, so the host decides when they run. Pending accounting, deduplication and error logging are unchanged.
Evidence
world: admission aborted
Strings lifted out of the shipped bundle, so the claim above can be checked against them.