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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 v2.1.225 Home All releases ←olderv2.1.224 v2.1.226newer→
Claude Code v2.1.225

Unknown control messages complete their command lifecycle

You'll notice
Useful3 Signal0
SDK Transport

An unrecognized message no longer leaves your command hanging forever waiting for a result.

What

An incoming message with an unrecognized type no longer leaves callers waiting on it forever.

Details
  • The handler extracts a uuid if present and reports that command as "completed" through the lifecycle callback.
  • The existing "Ignoring unknown message type" warning is still emitted alongside.
Evidence

Ignoring unknown message type:

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

Related

Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.

See this entry in the whole of v2.1.225 →