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Product Update Deno Deploy Announcements Fresh How To Engineering Deno in Production Astro Partnerships

September 27, 2023

Product Update Deno Deploy

Announcing Deno Queues

Introducing Deno Queues - zero config, scalable messaging with a guaranteed at-least-once delivery. This new primitive builds on the foundation set by Deno KV, and is available today in the Deno JavaScript runtime and Deno Deploy.

September 22, 2023

Register for Deno Fest Tokyo, October 20th 2023

Join us to learn about the past, present, and future of Deno as we co-host Deno Fest in Tokyo on October 20th!

September 20, 2023

Deno 1.37: Modern JavaScript in Jupyter Notebooks

Deno 1.37 ships with a Jupyter notebook integration and improved VSCode and LSP features.

September 18, 2023

Fresh Deno Deploy How To

The State of Web Frameworks on Deno

With npm compatibility in Deno improving, and npm specifiers now available on Deno Deploy, there are more options than ever to build web apps on Deno. Let's explore some options, including Fresh, SvelteKit, Nuxt/Vue, Astro, and beyond.

September 14, 2023

Engineering Deno Deploy

How We Built Deno KV using FoundationDB

How we built a performant, scalable, JavaScript-native database on top of FoundationDB.

September 6, 2023

Product Update Deno Deploy

Announcing native npm support on Deno Deploy

Deno Deploy becomes the first isolate serverless platform to natively support more than two million modules on npm.

September 5, 2023

Product Update Deno Deploy

Deno KV is in Open Beta

Deno KV, the easiest way to add a strongly consistent database to your app, is now in open beta.

September 1, 2023

Build a Cross-Platform CLI with Deno in 5 minutes

Here's how Deno's built-in tools and APIs make it easy to build a CLI and distribute it to all major platforms.

August 23, 2023

August 22nd, 2023 Deno Deploy Post-mortem

Post-mortem report for the Deploy outage on August 22nd, 2023.

August 16, 2023

Product Update Fresh

Fresh 1.4 – Faster Page Loads, Layouts and More

Discover new improvements in Fresh 1.4 that makes your site quicker to load and comes with several improvements to make authoring complex projects easier.

August 9, 2023

Node.js's Config Hell Problem

Why a Next.js project has over 30 configuration files and what we can do to avoid it.

August 3, 2023

Deno 1.36: More flexible security and expanded testing APIs

Deno 1.36 introduces new runtime security options plus expanded testing and benchmarking APIs.

July 31, 2023

dnt — the easiest way to publish a hybrid npm module for ESM and CommonJS

How to write your module with modern tooling and transform it with `dnt` to support CommonJS, ESM, browsers, Deno, Node.js, TypeScript, and more.

July 25, 2023

Deno in Production

How the creator of Homebrew simplifies distributing software with tea and Deno

Deno is a critical part of distributing our own software and also helping our users manage their dependencies.

July 21, 2023

Build and Ship Astro Sites with Deno and Deno Deploy

Learn how to build and deploy static and server-rendered apps with Astro on Deno and Deno Deploy.

July 18, 2023

Product Update Fresh

Fresh 1.3 – Simplified Route Components and More

Explore the key improvements in Fresh 1.3: streamlined route components, enhanced error handling, updated linting rules, and multi-island exports. This release also supports the stable Deno.serve API, making Deno projects more efficient and manageable.

July 5, 2023

Deno 1.35: A fast and convenient way to build web servers

Deno.serve() is stable, support for key npm packages, and more.

June 30, 2023

June 25th, 2023 Deno Deploy Postmortem

Post-mortem report for the Deploy outage on June 25th, 2023.

June 30, 2023

CommonJS is hurting JavaScript

How CommonJS became Node's module system, ESM solved modules for the browser, and why supporting both slows down the JavaScript ecosystem.

June 22, 2023

Announcing SOC 2 Compliance

What SOC 2 compliance for security, availability, and confidentiality means for Deno.

June 15, 2023

Product Update Fresh

Fresh 1.2 – welcoming a full-time maintainer, sharing state between islands, limited npm support, and more

Learn what new features the 1.2 release brings and about the future of Fresh.

June 12, 2023

Announcements Deno Deploy

Announcing the Deno KV Hackathon

Rules, categories, prizes, and more about the Deno KV Hackathon.

June 6, 2023

The State of Edge Functions 2023: The Year of Globally Distributed Apps

More developers are hosting entire apps at the edge and other major takeaways from the 2023 State of Edge Functions report.

June 1, 2023

How to Build a CRUD API with Oak and Deno KV

Learn how to use secondary indexes, atomic transctions, and more with Deno KV in this introductory tutorial.

May 26, 2023

Product Update Deno Deploy

Node.js built-ins on Deno Deploy

You can now use Node.js built-in modules like `node:http` on Deno Deploy, allowing you to run existing Node.js apps at the edge.

May 25, 2023

Deno 1.34: deno compile supports npm packages

This update augments compatibility with npm and Node.js, incorporates glob support, and enhances TLS certificates with IP addresses. It also brings forth improvements to the configuration, language server, APIs, and updates to V8 and TypeScript.

May 24, 2023

Product Update Deno Deploy

May 23rd, 2023 Deno Deploy Postmortem

Post-mortem report for the Deploy and Subhosting outage on May 23rd, 2023.

May 18, 2023

Deno in Production

How immutable scripts in Deno allow Windmill.dev (YC S22) to build production-grade ops

We chose Deno for its low cold start times, ability to execute untrusted code securely, and ease in creating shareable, immutable scripts.

May 11, 2023

Partnerships How To

Build your own ChatGPT-style doc search with Fresh, OpenAI, and Supabase

Learn how to setup a customized ChatGPT-style doc search and work with the OpenAI Chat-GPT3 API.

May 4, 2023

Engineering How To

Roll your own JavaScript runtime, pt. 3

We'll create and load a snapshot of our custom JavaScript runtime to optimize startup time.

May 1, 2023

Announcing Deno KV

Introducing Deno KV, a global key-value database for effortless stateful app development on Deno Deploy, offering seamless integration, strong consistency, and versatility.

April 28, 2023

Deno 1.33: Deno 2 is coming

Deno 1.33 is a step towards our next major release, with improved LSP support, enhanced Node.js compatibility, and more.

April 26, 2023

How To Fresh Engineering

A Gentle Introduction to Islands

What islands are, what they're not, and how they work.

April 6, 2023

Build a REST API with Express, TypeScript, and Deno, pt. 2

The second half in our series of how to get up and running with Deno and Express quickly.

April 4, 2023

Announcements Fresh

Announcing Deno SaaSKit: an open-source SaaS template built with Fresh

Built on Fresh, SaaSKit combines the best developer experience with a performant user experience to help you start your SaaS fast.

March 23, 2023

Deno 1.32: Enhanced Node.js Compatibility

Deno 1.32 brings major improvements to deno compile, Node.js compatibility, Web APIs, and more.

March 20, 2023

Why We Added package.json Support to Deno

The most recent release brought some significant changes in the form of better Node and NPM compatibility with package.json support. This prompted questions from our users about whether our core priorities have shifted.

March 8, 2023

Build a REST API with Express, TypeScript, and Deno

How to setup a REST API using Express and TypeScript in minutes.

March 6, 2023

Introducing the Annual State of Edge Functions Survey

Together we can identify current and upcoming trends as well as common frustrations to better understand how to best use this nascent technology.

March 1, 2023

Fresh Deno Deploy

You Don't Need a Build Step

The build step helps Node.js/npm run in the browser, optimize end-user performance, etc. But long build times limit productivity. With modern tooling, do we still need a build step?

February 24, 2023

Deno 1.31: package.json support

Deno 1.31 adds support for package.json, stabilizes Node-API, Deno.Command API, adds `node:v8` module, and more.

February 21, 2023

Office Hours Roundup and Update

We’ve got Q&A highlights from our last two live events and updates about Office Hours going forward.

February 15, 2023

Engineering How To

Roll your own JavaScript runtime, pt. 2

We'll implement `fetch`, read command line arguments, and add native support for TypeScript and TSX.

February 8, 2023

How To Deno Deploy

Build a Simple Image Resizing API in less than 100 LOC

A tutorial on building and deploying a simple image resizing API.

February 1, 2023

How To Deno Deploy

The Future (and the Past) of the Web is Server Side Rendering

A brief history about server-side rendering and why it's the right approach for modern web development.

January 26, 2023

Deno 1.30: Built-in Node modules

Deno 1.30 supports built-in Node modules, deno.json is an import map, deno fmt can format without semicolons, and more...

January 25, 2023

Office Hours Transcript for 2023-01-13

Here's a list of questions, answers, and takeaways from our January 13th office hours.

January 23, 2023

Deno in 2022: npm, Edge Functions, Series A, Fresh, and more

2022 was a big year for Deno. Here are the biggest updates from the past year and what's coming up next.

January 11, 2023

How to Build a GraphQL Server with Deno

A short tutorial on building a GraphQL server in Deno.

January 5, 2023

Announcing Office Hours!

We're hosting bi-weekly office hours in our Discord server! Ask questions (or submit them in advance), get technical help, or just come and hang out.

December 14, 2022

Deno 1.29: Custom npm registry support

Deno 1.29 ships with many npm compatibility improvements, lots of quality of life improvements and TypeScript 4.9

December 9, 2022

Build an Edge Function for the Supabase Hackathon

We're sponsoring and judging the Best Edge Functions category. Create an edge function and be eligible to win Deno merch and other prizes.

December 7, 2022

How To Deno Deploy

How to build a static site with Lume

Build a simple static site with Lume.

November 18, 2022

Run npm and Deno anywhere

Did you know you can host and run your Deno code in any virtual private server? Here's how to get started.

November 17, 2022

Build a More Secure Web using npm with Deno

How Deno's secure-by-default and opt-in permissions system gives you more confidence in running untrusted npm modules.

November 16, 2022

Build Apps in Deno with Frameworks such as React, Vue, Express, and more.

Getting started with web frameworks in npm and Deno.

November 15, 2022

Persist Data in Deno with npm using Prisma, Mongoose, Apollo, and more.

Here's how to get started with a few data persistence npm modules and Deno.

November 14, 2022

Deno 1.28: Featuring 1.3 Million New Modules

Deno 1.28 ships with stabilized npm modules, auto-discovered lock file, a new subprocess API, and more

November 10, 2022

Introducing Fresh WordPress Themes

Combine the DX and performance of Fresh with the reliability and dependability of WordPress.

November 4, 2022

How to Setup Auth with Fresh

A tutorial to setting up authentication with Fresh.

October 27, 2022

Deno 1.27: Major IDE Improvements

Deno 1.27 ships with major improvements for IDEs, better support for npm packages, navigator.language Web API and more.

October 25, 2022

How To Fresh Deno Deploy

How to Build a Blog with Fresh

Create a simple blog with Fresh in minutes.

October 20, 2022

Which serverless edge platform has the fastest git deployments?

We test a handful of popular serverless edge computing providers to see which has the fastest git deployment time.

October 6, 2022

Fresh Deno Deploy

The Future of the Web is on the Edge

A brief history of the internet explaining why building for the edge is faster, more secure, and easier than ever.

September 29, 2022

Deno 1.26 Release Notes

Deno 1.26 adds Cache Web API; improves permission system, experimental npm support, Node.js compatibility; ships with TypeScript 4.8, and more.

September 27, 2022

Engineering Deno Deploy

The Anatomy of an Isolate Cloud

Deno Deploy is one of the fastest ways to deploy an app. How does it work?

September 21, 2022

Slack releases platform open beta powered by Deno

Introducing the new Slack Platform that is a faster, flexible, and more secure way to build on top of Slack.

September 13, 2022

A Whole Website in a Single JavaScript File, cont'd

A modern website with dynamic API endpoints and form functionality in a single JavaScript file.

September 8, 2022

Product Update Fresh

Fresh 1.1 - automatic JSX, plugins, DevTools, and more

This release makes Fresh even more powerful with automatic JSX, plugins, DevTools integration and more.

August 30, 2022

How To Engineering

How to Build an E-commerce Site with a Perfect Lighthouse Score

This tutorial will show you how to optimize for performance with SSR and islands, as well as deploying to the edge.

August 25, 2022

Deno 1.25 Release Notes

Deno 1.25 adds the `deno init` subcommand, experimental support for importing npm packages, a new faster web server, and performance improvements to the FFI.

August 15, 2022

Big Changes Ahead for Deno

Learnings from our recent survey and feedback from across our community. We'll discuss how we're addressing this feedback and the features to expect from Deno in the coming months.

July 29, 2022

Engineering How To

Roll your own JavaScript runtime

A walk-through of creating a CLI that executes JavaScript files.

July 21, 2022

Deno 1.24 Release Notes

Deno 1.24 improves performance of transpiling and type-checking, adds unhandledrejection and beforeunload events, adds import.meta.resolve() API, and more

July 18, 2022

Product Update Deno Deploy

2022-07-18 incident update

Post-mortem report for the Deploy and Subhosting outage on July 18th

July 15, 2022

Product Update Deno Deploy

July 13th Utah Outage Update

Post-mortem report for the outage on July 13th and 14th 2022

June 30, 2022

Engineering How To

wasmbuild - Using Rust in Deno and Web Apps

An easier way to build Rust for Deno and the Web.

June 28, 2022

Product Update Fresh

Fresh 1.0

Fresh is a new full stack web framework for Deno. By default, Fresh web pages send zero JavaScript to the client.

June 21, 2022

Deno raises $21M

Series A led by Sequoia Capital

June 16, 2022

Deno 1.23 Release Notes

Deno 1.23 changes default type-checking behavior, ships with TypeScript 4.7, updates "deno task", and more

June 2, 2022

Product Update Deno Deploy

May 30 incident update

Post-mortem report for the 1 hour service outage on March 30th 2022

May 24, 2022

Product Update Deno Deploy

Deno Deploy Beta 4

Introducing a dashboard re-design, more regions, and billing.

May 18, 2022

Deno 1.22 Release Notes

Deno 1.22 changes default type-checking behavior, removes Deno.emit() API, adds Response.json() API, adds Deno namespace to workers by default, and more

May 9, 2022

Announcing the Web-interoperable Runtimes Community Group

Deno partners with Cloudflare and others on runtime interoperability through web standards.

April 27, 2022

How To Deno Deploy

How to setup a blog with Hugo and Deno Deploy

Set up and deploy a blog to the edge in minutes.

April 21, 2022

Deno 1.21 Release Notes

Deno 1.21 has improvements to testing facilities, the REPL, adds deno check, improves the language server, adds a new subprocess API, and more

April 19, 2022

Partnerships How To Deno Deploy

Netlify Edge Functions on Deno Deploy

Introducing Netlify Edge Functions built on Deno Deploy.

April 5, 2022

A Whole Website in a Single JavaScript File

Explanation and making of a website in a single JavaScript file

March 31, 2022

Partnerships How To Deno Deploy

Supabase Functions on Deno Deploy

Supabase developers can now deploy global edge functions on Deno Deploy.

March 17, 2022

Deno 1.20 Release Notes

Deno 1.20 increases performance, auto-compresses http responses, adds 'deno task', adds 'deno bench', allows import maps in deno.json, and more

March 8, 2022

How to use Google Analytics in Deno Deploy

An example of how to use server-side Google Analytics in Deno

February 28, 2022

Engineering How To

How to publish Deno modules to NPM

dnt and oak - making code work across Deno and Node.js

February 17, 2022

Deno 1.19 Release Notes

Deno 1.19 improves our web streams integration, introduces a `deno vendor` subcommand, and adds many other new features.

February 10, 2022

Product Update How To Deno Deploy

Static Files on Deno Deploy

Deno Deploy runs Deno programs at the edge, now with support for static files.

February 8, 2022

A list of every web API in Deno

Have you ever wondered how web compatible Deno is? In this blog post I explain every single web API available in Deno.

January 25, 2022

Deno in 2021

Retrospect of what happened in 2021 and what's coming in 2022

January 20, 2022

Deno 1.18 Release Notes

Deno 1.18 marks the finalization of the Web Cryptography API, and adds, stabilizes, and improves many features.

January 5, 2022

January 4th incident update

Post-mortem report for the 40 minute service outage on on 4th January 2022.

December 16, 2021

Deno 1.17 Release Notes

Deno 1.17 adds JSON imports, import completions in the REPL, and much more.

December 13, 2021

Deno joins TC39

Deno has joined the JavaScript standards committee to improve the language for everyone.

November 30, 2021

Product Update Deno Deploy

Web Streams at the Edge

Deno Deploy provides web standard streaming infrastructure to easily whip up real-time applications.

November 16, 2021

Partnerships Deno Deploy

Slack Introduces New Platform With Help From Deno

Today Slack has announced their next generation development platform. Slack chose Deno for its "secure by default" principles, its web standard APIs, and its first-class TypeScript support.

November 12, 2021

How To Deno Deploy

Connecting to Postgres from the edge

Many serverless at edge products can not connect to Postgres because they don't support TCP. Deno Deploy can.

November 9, 2021

Deno 1.16 Release Notes

Deno 1.16 adds support for new JSX transforms, reading files from disk using fetch, and much more.

October 28, 2021

Product Update Deno Deploy

Deno Deploy Beta 3

Deno Deploy is a multi-tenant distributed JavaScript VM running in 28 data centers across the world.

October 12, 2021

Deno 1.15 Release Notes

Deno 1.15 improves Web Crypto support, adds deno uninstall subcommand, stabilizes URLPattern and more.

September 23, 2021

Product Update Deno Deploy

September 23 incident update

Post-mortem report for the 35 minute service outage on on September 23, 2021.

September 14, 2021

Deno 1.14 Release Notes

Deno 1.14 improves Web Crypto support, adds customization options to deno fmt and deno lint, introduces URLPattern, and more.

September 1, 2021

Product Update Deno Deploy

Deno Deploy Beta 2

Deno Deploy is a multi-tenant distributed JavaScript VM running in 25 data centers across the world.

August 23, 2021

Deno on MDN

Web compatibility data for Deno is now available on MDN.

August 10, 2021

Deno 1.13 Release Notes

Deno 1.13 stabilizes the native HTTP server, and introduces FFI, a streaming WebSocket API, the new self.structuredClone() function and more.

July 27, 2021

Product Update Deno Deploy

July 27 incident update

Post-mortem report for the 6 minute service outage on July 27, 2021.

July 13, 2021

Deno 1.12 Release Notes

The Deno 1.12 release adds server side WebSockets, support for WASM threads, new web crypto APIs and more.

June 23, 2021

Product Update Deno Deploy

Deno Deploy Beta 1

Deno Deploy is a multi-tenant distributed JavaScript VM running in 25 data centers across the world.

June 8, 2021

Deno 1.11 Release Notes

The Deno 1.11 release adds new web APIs, resolves long standing issues, and improves editor experience.

May 11, 2021

Deno 1.10 Release Notes

Deno 1.10 improves the built-in test runner, adds support for Web Storage API, structured clone, and more.

April 13, 2021

Deno 1.9 Release Notes

Deno 1.9 adds a new native HTTP/2 web server, a vastly improved op infrastructure, import completions in the LSP, an interactive permission prompt, blob url support.

March 29, 2021

Announcing the Deno Company

We have raised money to enable the millions of web programmers out there to maximally leverage their craft.

March 4, 2021

March 2 incident update

Post-mortem report for the 98 minute service outage on March 2, 2021.

March 2, 2021

Deno 1.8 Release Notes

Deno 1.8 adds experimental support for the WebGPU API, adds support for importing private modules, stabilizes import maps, revamps coverage tooling, adds ICU to provide internationalization out of the box, and a whole lot more.

January 19, 2021

Deno 1.7 Release Notes

Deno 1.7, one of our largest releases to date, adds cross compilation and 60% smaller binaries for deno compile, a DNS resolver API, support for data URLs in import statements and web workers, and much more.

January 15, 2021

Deno in 2020

Retrospect of what happened in Deno in 2020

December 8, 2020

Deno 1.6 Release Notes

Deno 1.6 adds the ability to build your Deno projects into fully standalone, self-contained executables with `deno compile`. The release also introduces a built-in LSP for editor integrations, and experimental Apple Silicon support.

October 27, 2020

Deno 1.5 Release Notes

Deno 1.5 improves `deno bundle` with support for tree shaking and a 15x speed improvement. This release also adds the `alert`, `confirm`, and `prompt` APIs and enhances the REPL.

September 13, 2020

Deno 1.4 Release Notes

Deno 1.4 adds support for the web standard WebSocket API, deno run --watch, and integrated test coverage. This is the largest feature release yet.

August 3, 2020

Updates to deno.land/x

Design considerations and changes for the new code hosting service.

May 13, 2020

Deno 1.0

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.