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

Claude Code v2.1.251 ·

Multiplayer whiteboard artifact

A shared sketch canvas lets everyone see strokes and cursors live, with Claude drawing too.

Use it now In Development
JSON All of v2.1.251
Use it nowTier: how much it should matter to you
4Useful: my rating, 1 to 5
5Signal: worth watching, 1 to 5
ArtifactsArea: what it touches
In DevelopmentKind: in v2.1.251,
What probably matters to youSection of the release
What

A collaborative sketch canvas joins the existing single-player whiteboard: everyone with the board open sees each other's strokes and cursors as they happen, and Claude can draw on it live. It supports boxes, databases, decision diamonds, sticky notes, arrows, freehand, text and pasted images.

Details
  • Availability is decided by three separate internal checks that must all pass; nothing in the build sets them locally, so whether it appears is decided elsewhere.
Evidence

Create a multiplayer whiteboard artifact - a live sketch canvas for wireframe-fidelity diagrams (boxes, databases, decision diamonds, sticky notes, arrows, freehand, text, pasted images) where everyone with it open sees each other's strokes and cursors as they happen

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

See this entry in the whole of v2.1.251 →

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