Overview
Deno Land Inc. built the Deno JavaScript/TypeScript runtime (created by ryan-dahl), Deno Deploy edge hosting, the JSR package registry, and celld — an open-source self-hosted implementation of the Cloudflare Workers / Durable Objects model.
Recent Developments
- 2026-10-09: Entire Deno team joins cloudflare; future work focuses on merging celld into workerd for first-class self-hosted Workers (2026-10-09-cloudflare-acquires-deno, 2026-10-09-cloudflare-deno-joins-official)
- Runtime: One more year of monthly bugfix/security releases, then Deno team ends runtime development (remains open source)
- Deno Deploy: Sunsets in six months; customers must migrate
- JSR: Moves to Cloudflare infrastructure