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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 v2.1.234 17 Aug 2026

Grader focus files can now be images

You'll notice

Useful2 Signal2

Elsewhere

Grader focus files can now be images or binaries, not just UTF-8 text.

What

A focus file handed to the plugin-eval grader is now detected by content: images are passed through as bytes with their media type, and anything else is read as text with a preview of the leading bytes if it looks binary. Previously every file was decoded as UTF-8. The size cap and its error message are unchanged.

Evidence

grader focus file exceeds the size cap

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

See this entry in the whole of v2.1.234 →