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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 v2.1.229

Device tools moved into a de-duplicating registry

Under the hood
Useful2 Signal3
Device Bridge

Tools from the device bridge now drop duplicate names and track calls still in flight.

What

Tools exposed by the device bridge are held in a registry keyed by group that drops duplicate names and logs which ones it dropped, hashes the served definition list so unserved changes are detected, and tracks in-flight calls behind an idle barrier.

Evidence

[deviceBridge] duplicate device tool names not announced:

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 v2.1.229 →