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Sweep 08 Oct 2026 · 18:53Z Build v2.1.295 516 read Stable v2.1.286 Latest v2.1.295 Next v2.1.295 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.290 ·

Artifact comment threads are now marked as activated or not for Claude

Background prompts for artifact comment threads now label each thread as activated for Claude or not, and tell Claude to ignore the rest

You'll notice Improvements
JSON All of v2.1.290
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 v2.1.290,
ImprovementsSection of the release
What

When Claude works on comment threads attached to an artifact, the instructions it gets in the background now mark each thread as either "Claude: activated" or "Claude: NOT activated". Claude is told to ignore threads that are not activated.

Why

This helps stop text in threads that were never meant for Claude from steering what it does.

See this entry in the whole of v2.1.290 →

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