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Sweep 27 Oct 2026 · 19:04Z Build v2.1.312 531 read Stable v2.1.308 Latest v2.1.312 Next v2.1.312 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.311 ·

Queued messages now carry a list of tools used

Messages waiting in the queue, and messages from polling, now carry a record of the tools that were used

Under the hood Internal Changes
JSON All of v2.1.311
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
Message QueueArea: what it touches
Internal ChangesKind: in v2.1.311,
Internal ChangesSection of the release

Unclear When this record is included, and what it changes for a reader, is not stated.

What

Messages waiting in the queue to be sent to Claude, and messages that come from polling (checking periodically for new events), now carry a record of which tools were used. Claude Code either attaches this record separately or adds it to the prompt text.

Why

Messages from other agents or from polling may now give Claude context about which tools were used.

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 doubtWhen this record is included, and what it changes for a reader, is not stated.

See this entry in the whole of v2.1.311 →

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