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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 ·

Claude Code now keeps a record of which tools were used

The tools used during a turn are now recorded and passed along, with reading a file counted as using a read tool

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
Session TranscriptsArea: what it touches
Internal ChangesKind: in v2.1.311,
Internal ChangesSection of the release
What

Claude Code now records which tools were used during a turn and passes that record along when the turn is stopped. Reading a file counts as using a read tool. Prompts carrying such a record are no longer merged together with others.

Why

The record is groundwork for something else; nothing in it changes what you see yet.

See this entry in the whole of v2.1.311 →

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