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Sweep 03 Nov 2026 · 22:27Z Build v2.1.318 536 read Stable v2.1.311 Latest v2.1.318 Next v2.1.318 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.318 ·

Stopping a tool can keep a result that is already on its way, behind ae()

Behind an unresolved ae() check, interrupting a running tool waits briefly so an arriving result can be kept instead of replaced by an interruption error

Group of 3 Under the hood Internal Changes
JSON All of v2.1.318
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
REPL ModeArea: what it touches
Internal ChangesKind: in v2.1.318,
Internal ChangesSection of the release

Unclear It is not clear whether the feature check behind this is switched on for anyone.

What

The part of Claude Code that runs tools had empty placeholders for what happens when you stop a tool. Now armStoppedResultWait, takeKeptResult and stoppedResultWaitOf have real code, behind a check, ae(), whose value was not worked out:

  • Stop wait: when you interrupt a running tool whose name matches B8o, a timer holds back the stop. A result that arrives before the timer runs out can be kept and saved, taken, or withdrawn. Otherwise the tool is marked as interrupted and onStopWaitChange is called. Before, the result was replaced by a made-up user_interrupted error.
  • Receipt marker: an asyncReplReceipt marker is added to the information about why a tool stopped.
  • Detached runs: when an async REPL run has a receipt and turnAbortDetachesEval(e.reason) is true, the function that gives the reason for an interruption returns nothing.
  • Quiet tool calls: one new branch can make a tool call collapsible and quietly absorbed when Cy() is true.
  • Waiting on scripts: _V() returns scriptAskHolds or nothing. What calls it was not traced.

Why

When this is active, pressing Esc during a turn may let a running REPL job keep going, or keep its result, instead of being reported as interrupted. This changes what you get back from a tool after pressing stop.

How sure we are
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubtIt is not clear whether the feature check behind this is switched on for anyone.

See this entry in the whole of v2.1.318 →

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