Deno joins Cloudflare with runtime and hosting transition plans

The October 9 announcement sets support periods while focusing development on Workers.

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9 October 2026 · 1 min read

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Report prepared 11 Oct 2026, 8:00 pm IST · Event date shown above

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AI-generated editorial illustration: an imagined private server connected to distant racks symbolises distributed self-hosting; not a photograph, Deno facility, actual Cloudflare hardware or completed integration.

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Editorial summary

The October 9 announcement sets support periods while focusing development on Workers.

Event / development: 9 Oct 2026
Location: Global

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Deno and Cloudflare announced on October 9 that the entire Deno team is joining Cloudflare. The companies plan to combine celld and workerd to improve self-hosted Workers and Durable Objects.

Deno says runtime bug-fix and security releases will continue monthly for one year, after which its own development will end. The runtime remains open source. Deno Deploy is to operate for six months before closing, with migration support for paying customers. JSR will continue on Cloudflare infrastructure.

These are announced transition plans, not completed shutdowns or a finished combined platform. Sources: Deno and Cloudflare announcements, October 9.