Cloudflare said the entire Deno team is joining the company, marking a sharp turn for a project long associated with Node.js creator Ryan Dahl. Deno, a JavaScript and TypeScript runtime launched by Dahl, will keep receiving bug fixes and security patches for the next year, after which official development of the runtime will stop. Deno Deploy, the project’s cloud hosting service, is set to shut down in six months, and the company said it will help paid customers move to Cloudflare Workers.
The move stands out because Dahl had described Cloudflare Workers in 2022 as Deno Deploy’s most direct competitor. Even so, the Deno runtime will remain open source, leaving room for community-led development after official work ends. JSR, the JavaScript package platform, will continue operating, with its infrastructure moving to Cloudflare.
Dahl and Deno co-founder Bert Belder will next work on combining celld and workerd. Celld, built by the Deno team, lets developers run distributed Workers and Durable Objects on their own servers. Workerd is Cloudflare’s open-source engine that powers Cloudflare Workers. The stated plan is to bring celld’s distributed capabilities into workerd so developers can run the stack on their own infrastructure and rely less on Cloudflare’s cloud platform.
Cloudflare said the entire Deno team is formally joining the company.
Deno, a JavaScript and TypeScript runtime created by Node.js author Ryan Dahl, will receive only bug fixes and security updates over the next year. After that, official development of the runtime will stop.
Deno Deploy, the cloud hosting service tied to the project, will also shut down in six months. The company said it will assist paid customers in migrating to Cloudflare Workers.
Deno Deploy exits while the runtime stays open source
The change carries an obvious contrast. In 2022, Ryan Dahl had viewed Cloudflare Workers as Deno Deploy’s most direct competitor. Now Deno Deploy is leaving the market, and paid customers will be moved toward Cloudflare Workers.
The Deno runtime will remain open source, and the community can take over its future development. JSR, the JavaScript package platform, will continue to operate, with its infrastructure moving to Cloudflare.
Dahl and Bert Belder to lead integration of celld and workerd
Ryan Dahl and Deno co-founder Bert Belder will next oversee the integration of two open-source projects.
- One is celld, built by the Deno team, which supports running distributed Workers and Durable Objects on developers’ own servers.
- The other is workerd, Cloudflare’s open-source runtime engine that sits underneath Cloudflare Workers.
According to the announcement, Durable Objects can preserve application state and handle real-time connections, making them suitable for AI agents that need to keep an ongoing record of task progress.
The plan is to integrate celld’s distributed capabilities into workerd, allowing developers to run the technology on their own servers and reduce dependence on Cloudflare’s cloud platform.
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