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Reading a new release v2.1.251 Analysing changes · 2/5 Writing the entries · 2/4 steps 470 findings $18.91 so far

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 v2.1.163

Expanded Media Type Support for File Uploads

What

The file upload system now recognizes additional image, video, and audio formats.

Details
  • New image formats: HEIC (.heic), HEIF (.heif), AVIF (.avif), TIFF (.tif, .tiff), ICO (.ico)
  • New video formats: QuickTime/MOV (.mov), AVI (.avi), MKV (.mkv), M4V (.m4v)
  • New audio format: FLAC (.flac)
  • These MIME types are now served correctly when uploading files via the browser integration and Chrome tool
Evidence

MIME type map additions (search for "image/heic", "video/quicktime", "audio/flac")

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 v2.1.163 →