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DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

← All of v2.1.221 Home All releases ←olderv2.1.220 v2.1.222newer→

Claude Code v2.1.221 3 Aug 2026

Auto mode always sees same-turn sibling tool uses

You'll notice

Useful3 Signal0

Permissions

Permission checks in auto mode now always see other tool calls from the same turn.

What

Sibling tool uses from the same turn are now always folded into the messages passed to permission evaluation.

Details

Previously sameTurnToolUses was included only when a gate function backed by CLAUDE_CODE_AUTO_MODE_SIBLING_CONTEXT returned true.
That gate and its environment variable are both removed from the build.

Evidence

sameTurnToolUses

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

See this entry in the whole of v2.1.221 →