







The one where I wonder what went wrong with Deno
Deno is joining Cloudflare
The Deno team is joining Cloudflare to radically simplify self-hosting Workers and Durable Objects, so developers can use the same primitives in more places.

Deno is joining Cloudflare | Deno
Putting ourselves in the best place to build the future of the web

What is the Deno team working on?
Deno 1.0 | Deno
Dynamic languages are useful tools. Scripting allows users to rapidly and succinctly tie together complex systems and express ideas without worrying about details like memory management or build systems.

Deno on Twitter / X
We are excited to announce that Deno is joining Cloudflare! https://t.co/hC5HOUb8t4— Deno (@deno_land) October 9, 2026
Disillusioned with Deno
Writing at the end of the world, from Hveragerði, Iceland
The Web Can't Afford a JavaScript Runtime Monoculture
Earlier this month Deno announced its whole team is joining Cloudflare. In the announcement, Ryan Dahl, who created Node.js and started Deno in 2018, also explains that development of the Deno runtime will stop after one year. That leaves the web with two major general-purpose runtimes, the OpenJS Foundation’s Node.js and Anthropic’s Bun, alongside Cloudflare’s



Bartek Iwańczuk's "Vite Got Deno-fied" at ViteConf 2022
GitHub - denoland/fresh: The next-gen web framework.
The next-gen web framework. Contribute to denoland/fresh development by creating an account on GitHub.
Desktop apps
Build self-contained desktop applications from a Deno project, with framework auto-detection, hot reload, native windowing, auto-update, and cross-platform distribution.

Secure Mode: Deno & Node.js compatible permissions for Bun, but better by kynnyhsap · Pull Request #25911 · oven-sh/bun
Summary Implements a Deno-compatible permissions model for Bun, providing granular control over system resource access. This PR introduces a security sandbox that can restrict file system, network,...
What Istio Got Wrong: Learnings from the Last Seven Years of Service Mesh - C. Posta, L. Ryan
I am very proud of the team for the runtime level mitigation we rolled out to @deno_land Deploy for this. It's very precise, very fast, and way less prone to false positives than the WAF based block. All versions of React are safe now when running on Deno Deploy - yay to vertical integration!
React
There is critical vulnerability in React Server Components disclosed as CVE-2025-55182 that impacts React 19 and frameworks that use it. A fix has been published in React versions 19.0.1, 19.1.2, and 19.2.1. We recommend upgrading immediately. react.dev/blog/2025/12/03/critical-secu…