Data and AI releases

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Flagship - Evaluate Flagship flags locally

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Flagship bindings now evaluate flags against a local flag store during local development, instead of calling your remote app. You can develop offline and test flag changes without affecting production. This applies to wrangler dev , the Cloudflare Vite plugin , the Vitest integration , and cf dev .

Developer tools

Also shipped Nov 2, 2026Cloudflare in November 2026 →

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Workers will use the new module registry by default on November 17

Starting November 17, 2026, JavaScript Workers with a compatibility date of 2026-11-17 or later will use the new module registry by default. You will no longer need the new_module_registry flag for these dates. Python Workers keep using the legacy registry. The module registry finds and loads JavaScript modules in your Worker.

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Workers - Request.signal will be enabled by default in Workers on November 17

Starting November 17, 2026, Workers with a compatibility date of 2026-11-17 or later will receive client disconnection events through request.signal by default. Use these events to stop unnecessary work when a client leaves. You will no longer need the enable_request_signal compatibility flag for these dates. We introduced this feature in May 2025 .

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Bots - Granular access controls for the top Personal Agents

The Configure AI bot policies setting is now named AI Crawler and Agent access policies . Personal agents act on a person's behalf, fetching information or browsing in response to a request. The updated policies let you set actions for the top Personal Agents individually.

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