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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 v2.1.287 ·

Cancelling an artifact preview now shuts its browser down cleanly

Artifact previews now stop when cancelled and close their browser on a timer, even when the browser has broken

You'll notice Bug Fixes
JSON All of v2.1.287
You'll noticeTier: how much it should matter to you
2Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
ArtifactsArea: what it touches
Bug FixesKind: in v2.1.287,
Bug FixesSection of the release
What

To show a preview, Claude Code starts a small preview server and a browser. It now checks before and after the server starts whether you have cancelled the preview, and stops if you have.

It also notes whether the browser has broken, and closes the browser on a time limit. If the preview was cancelled, that limit is shorter. Before, it closed the browser the same way every time.

Why

Cancelling a preview should no longer leave a browser hanging or running in the background.

See this entry in the whole of v2.1.287 →

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