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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.

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Claude Code v2.1.223 5 Aug 2026

Resurrected messages bypass hop-chain admission

You'll notice

Useful3 Signal0

Session Recovery

Messages restored when a session comes back are no longer dropped by queue checks.

What

Messages re-enqueued during session resurrection are no longer rejected by the queue's hop-chain verification.

Details

Re-enqueued messages carry admissionExempt: "resurrected".
The admission check skips hop-chain verification, and its rejection report, for those entries only.

Evidence

admissionExempt: "resurrected"

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

See this entry in the whole of v2.1.223 →