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Sweep 22 Oct 2026 · 21:04Z Build v2.1.309 528 read Stable v2.1.308 Latest v2.1.308 Next v2.1.309 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.246 ·

Internal fact store gains variable binding, threshold triggers and budgets

The internal fact store gained variable binding, count-threshold triggers and budget waiting.

Under the hood In Development
JSON All of v2.1.246
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
WorkflowsArea: what it touches
In DevelopmentKind: in v2.1.246,
In DevelopmentSection of the release
What

The internal world store, a fact and subscription engine not exposed to users, was substantially extended. Patterns can bind variables, subscriptions can fire on a count threshold, and work can be charged against budgets and made to wait for headroom.

Details
  • Patterns bind with v("x"); the parse error now reads that a pattern must be a JSON object, nested objects as subsets, arrays exact.
  • A subscription can use an $atleast form that fires once per binding group when enough matching rows exist.
  • Storing a budget fact requires a finite, non-negative numeric units.
  • Evaluation now has an admission step that waits for budget headroom and rejects with retracted while waiting for budget if cancelled first; spend is charged up the scope chain.
  • Pending work is tracked in an explicit in-flight set so admitted-but-not-started work is not double counted.
Evidence

a {topic:'budget'} fact needs a finite, non-negative numeric units``

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

See this entry in the whole of v2.1.246 →

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