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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 v2.1.227

Device-bound sessions reject --project and agent ownership up front

You'll notice
Useful2 Signal2
Sessions not in their notes

Device-bound sessions now reject a project id or agent id immediately with a clear message.

--project
What

Creating a device-bound session together with a project grouping id, or with an agent id, now fails immediately with a specific message and its own failure code rather than producing a half-formed session.

Evidence

--project cannot be combined with a device-bound session yet \u2014 no session was created.

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 v2.1.227 →