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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 v2.1.219

Screen-reader renderer tracks an anchor state

Under the hood
Useful1 Signal0
Elsewhere

Screen-reader output tracks one more piece of state to decide what to redraw.

What

The screen-reader diffing state carries an extra anchor value alongside its existing bookkeeping.

Details
  • prevScreenReaderAnchor is initialised and reset to "clean" together with the previous-lines and park-position state.
Evidence

prevScreenReaderAnchor

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

See this entry in the whole of v2.1.219 →