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Sweep 02 Oct 2026 · 18:55Z Build v2.1.288 509 read Stable v2.1.285 Latest v2.1.287 Next v2.1.288 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.288 ·

Artifact instructions allow device features when your account supports them

Claude's artifact instructions now allow device features such as motion sensors only when you have that capability and the page declares it

You'll notice Improvements
JSON All of v2.1.288
You'll noticeTier: how much it should matter to you
2Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
ArtifactsArea: what it touches
ImprovementsKind: in v2.1.288,
ImprovementsSection of the release
What

Artifacts are web pages that Claude writes for you. Claude's instructions for writing them list device features that the page frame refuses, and motion sensors are now on that list. Before, the instructions simply said not to build features on those devices.

Now Claude may build on one of them only when you have a runtime capability for that device, meaning your setup actually supports it, and the page declares that it uses it. The instructions name a skill to use for this. The sentence about keeping the screen awake is now separate.

Why

This changes the artifacts Claude writes. Pages can now use some device features where they will work, instead of avoiding them entirely.

See this entry in the whole of v2.1.288 →

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