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Sweep 22 Oct 2026 · 21:04Z Build v2.1.309 528 read Stable v2.1.308 Latest v2.1.309 Next v2.1.309 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.246 ·

upload_asset parameter now lists text formats

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

Under the hood No documentation found Improvements
JSON All of v2.1.246
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
ArtifactsArea: what it touches
ImprovementsKind: in v2.1.246,
ImprovementsSection of the release
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.

Read from
Names in the bundleupload_asset

See this entry in the whole of v2.1.246 →

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