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Sweep 29 Sep 2026 · 18:10Z Build v2.1.285 506 read Stable v2.1.280 Latest v2.1.285 Next v2.1.285 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.285 ·

Workflow scripts now run in strict mode

Workflow scripts run in their isolated environment now use JavaScript strict mode

You'll notice Improvements
JSON All of v2.1.285
You'll noticeTier: how much it should matter to you
2Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
WorkflowsArea: what it touches
ImprovementsKind: in v2.1.285,
ImprovementsSection of the release
What

Workflow scripts run in their own isolated environment now start in strict mode. Strict mode is a JavaScript setting that turns some loose or error-prone code into errors.

Why

The rules for scripts in that environment are tighter. A script that relied on loose JavaScript behaviour may now fail with an error.

See this entry in the whole of v2.1.285 →

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