Claude Code v2.1.246 · 25 Aug 2026
Text and data files can be uploaded as artifact assets
You can now upload .csv, .md, .json and .txt files as artifact assets, not just images and fonts.
Use it now Tier: how much it should matter to you
4 Useful: my rating, 1 to 5
2 Signal: worth watching, 1 to 5
Artifacts Area: what it touches
Improvements Kind: in v2.1.246, 25 Aug 26
What probably matters to you Section of the release
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.
See this entry in the whole of v2.1.246 →
25 Aug 2026 · 429 entries, this one is #75.
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What's wrong with this entry?
Hard to understand Too vague Looks wrong Not relevant to me Too long Missing the detail I wanted Duplicate of another card
Clear Learned something new I can act on this Good catch
Related
Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.
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Plugin enable/disable no longer lose telemetry, and can target built-in plugins
Use it now Plugins
In v2.1.246 What probably matters to you release-page order
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Thinking is hidden in plain non-interactive output
Use it now Output Modes
