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.
Text and data files can be uploaded as artifact assets
Use it now
Useful4Signal2
ArtifactsNotable
You can now upload .csv, .md, .json and .txt files as artifact assets, not just images and fonts.
What's wrong with this entry?
Anonymous. No account, no email.
What
Artifact assets were limited to images and fonts. The asset type table now also covers .csv, .md, .markdown, .json and .txt, with those four text content types tracked as their own group.
Evidence
text/markdown
Strings lifted out of the shipped bundle, so the claim above can be checked against them.