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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 v2.1.221

Chrome bridge: activity observer runs before each tool call

You'll notice
Useful3 Signal0
Chrome & Browser

The browser bridge now rechecks the connection before each tool call and fails clearly if it dropped.

What

The browser bridge calls an optional observer before dispatching a tool call and re-validates the connection afterwards.

Details
  • onBeforeToolCall is optional; errors from it are swallowed with a debug log
  • after the callback the bridge re-checks the connection and throws if it disconnected or the extension went away in the meantime
Evidence

Chrome extension disconnected mid-call

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 v2.1.221 →