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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 v2.1.218 Home All releases olderv2.1.217 v2.1.219newer
Claude Code v2.1.218

Permission Mode Race Condition Handling

When auto-mode is active and a classifier call completes after the permission mode changes, Claude now falls back gracefully to manual approval with a clear message: "Permission mode changed while the auto-mode classifier call was queued — falling back to manual approval under the current mode".

Previously this edge case could lead to unexpected behavior.

Evidence

New warning string (search for "Permission mode changed while the auto-mode classifier call was queued")

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

See this entry in the whole of v2.1.218 →