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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 v2.1.246

upload_asset parameter now lists text formats

Under the hood
Useful1 Signal1
Artifacts not in their notes

The artifact asset upload parameter description now mentions text formats too.

upload_asset
What

The description of the file-path parameter for artifact asset uploads now names text formats alongside image, video, PDF and font.

Evidence

For 'upload_asset', the local image, video, PDF, font, or text (CSV, Markdown, JSON, plain text) file to upload.

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 v2.1.246 →