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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 uses the costliest review level only when asked

Claude is now told to pick the max review level only when you, CLAUDE.md or a skill explicitly asks, never on its own judgment

You'll notice Improvements
JSON All of v2.1.311
You'll noticeTier: how much it should matter to you
2Useful: my rating, 1 to 5
4Signal: worth watching, 1 to 5
Code ReviewArea: what it touches
ImprovementsKind: in v2.1.311,
What probably matters to youSection of the release
What

The instructions Claude follows about code reviews have changed. Claude is now told to use the max review level, or in some versions of the text the max or ultra level, only when one of these explicitly asks for it:

  • you
  • your CLAUDE.md file
  • a skill

The text says never to choose it on its own judgment. It gives the reason: this level costs the most and starts many reviewer subagents. A subagent is a separate helper instance of Claude that works on part of a task.

Why

This stops Claude from spending a large review budget when nobody asked for it. If you want the deepest review, ask for it directly.

See this entry in the whole of v2.1.311 →

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