漏洞与更新

How Bun supports V8 APIs without using V8 (part 1)

Bun is built on JavaScriptCore, not V8. Here's how we're implementing V8's C++ API on top of it.

Announcing Stable V8 Bindings for Rust

Rusty V8, a library that provides high-quality, zero-overhead Rust bindings to V8, is finally stable. Here's how to use it.

Bun v1.1.29

Fixes 21 bugs (addressing 22 👍). Fixes issue with proxying requests with axios. N-API (napi) support in compiled C. Faster typed arrays in `bun:ffi` with 'buffer' type. Fixes issue with bundling imported .wasm files in `bun build`. Fixes regression with `bun build` from v1.1.28. Fixes snapshot regression in `bun test`. Fixes bug with argument validation in `Bun.build` plugins.

Deno 2.0 Release Candidate

This release candidate, a near-final look at Deno 2, includes the addition of Node's process global, better dependency management, and various API stabilizations, and more.

Compile and run C in JavaScript

Bun now supports compiling and running C from JavaScript to make using systems libraries easier.

Bun v1.1.28

This release fixes 40 bugs (addressing 51 👍). Compile & run C from JavaScript. 30x faster path.resolve. Named pipes on Windows. Several Node.js compatibility improvements and bugfixes.

Node.js 22.9.0 (Current)

Secure, efficient private npm registries with Cloudsmith and Deno

Deno can use private npm registries with Cloudsmith, which offers additional security features, analytics into module usage, and more. Here’s how to do it.

Bun v1.1.27

Fixes 130 bugs (addressing 250 👍). `bun pm pack`, faster `node:zlib`. Static routes in Bun.serve(). ReadableStream support in response.clone() & request.clone(). Per-request timeouts. Cancel method in ReadableStream is called. `bun run` handles CTRL + C better. Faster buffered streams. `bun outdated` package filtering. Watch arbtirary file types in --hot and --watch. Fixes to proxies on Windows. Several Node.js compatibility improvements.

Painting the Plane as We Fly It: Designing JSR

JSR, created for the JavaScript community, needed a logo and a website to look distinct, friendly, and inclusive. Here's how we approached this design problem.

Node.js 22.8.0 (Current)

Announcing Vue 3.5

Today we are excited to announce the release of Vue 3.5 "Tengen Toppa Gurren Lagann"! This minor release contains no breaking changes and includes both internal improvements and useful new features. We will cover some highlights in this blog post - for a full list of changes and new features, please consult the full changelog on GitHub .

Introducing Web Cache API support on Deno Deploy

The Web Cache API offers sub-millisecond read latency, multi-Gbps write throughput, and unbounded storage. Here’s how you can use it.

Bun v1.1.26

Fixes 9 bugs (addressing 652 👍). `bun outdated` shows outdated dependencies. Bun.serve() gets a new `idleTimeout` option and `subscriberCount(topic: string)` for a count of websocket clients subscribed to a topic. `test.only` in bun:test now skips tests before and after instead of only after. expect.assertions(n) in async functionn is fixed. "use strict" in CommonJS modules is now preserved. Plus, more node.js compatibility improvements and bug fixes.

Node.js 22.7.0 (Current)

Deno 1.46: The Last 1.x Release

Our last 1.x release before Deno 2 comes with a ton of features, ranging from a simpler, improved CLI, to multi-threaded web servers, improvements to Node.js/npm compatibility, and more.

Node.js 20.17.0 (LTS)

Bun v1.1.25

Fixes 42 bugs (addressing 470 👍). Support for `node:cluster` and V8's C++ API. Faster WebAssembly on Windows with OMGJIT. 5x faster S3 uploads with @aws-sdk/client-s3, Worker in standalone executables, and more Node.js compatibility improvements and bug fixes.

Bun v1.1.23

Support for `TextEncoderStream` and `TextDecoderStream`, 50% faster `console.log(string)`, support for `Float16Array`, Node.js Bun IPC on Windows, truncate large arrays in `console.log()`, and many more bug fixes and Node.js compatibility improvements.

Protect your cloud spend with new Deno Deploy spend limits

You can now exercise greater control over your Deno Deploy spend with our new spend limits. Here’s how they work.

Bun v1.1.22

Fixes 79 bugs (addressing 93 👍). Express is now 3x faster in Bun, ES modules load faster on Windows, 10% faster Bun.serve() at POST requests, source maps in `bun build --compile`. Memory usage reductions to `--hot`, Bun.serve(), and imports. `Uint8Array.toBase64()`, `Uint8Array.toHex()`, and lots of Node.js compatibiltiy improvements and bugfixes.

Node.js 22.6.0 (Current)

What we got wrong about HTTP imports

Designing a module system around HTTP imports was ambitious. Here are some issues we encountered and how we solved for them.

Bun v1.1.21

Fixes 72 bugs (addressing 63 👍). 30% faster fetch() decompression, New --fetch-preconnect flag, improved Remix support, Bun gets 4 MB smaller on Linux, bundle packages excluding dependencies, many bundler fixes and node compatibility improvements.

Node.js 20.16.0 (LTS)

Node.js 22.5.1 (Current)

Node.js 22.5.0 (Current)

Announcing Supabase on JSR

Supabase's isomorphic JavaScript client library is now available on JSR.

Bun v1.1.19

Fixes 54 bugs (addressing 248 👍). JavaScript gets faster on Windows. Raspberry Pi 4 support returns. `_auth` support in `.npmrc`. `bun install` preserves package.json indentation. `aws-cdk-lib` support. Memory leak fixes in `new Response(request)` and `fs.readdir`. Several reliability improvements. Statically linked UCRT on Windows.

Deno 1.45: Workspace and Monorepo Support

Deno 1.45 introduces workspaces and monorepo support, improved Node.js compatibility, updates to `deno install`, the new `deno init --lib` command, deprecation of `deno vendor`, Standard Library stabilization, upgrades to V8 12.7 and TypeScript 5.5.2, and more.

Introducing KV Backup for Deno Subhosting

This new feature allows Subhosting users to configure their KV databases to back up data to their own S3-compatible object storage via APIs.

Node.js 22.4.1 (Current)

Node.js 20.15.1 (LTS)

Node.js 18.20.4 (LTS)

Monday, July 8, 2024 Security Releases

Bun v1.1.18

Fixes 55 bugs (addressing 493 👍). Support for npmrc. Improved constant folding & enum inlining. Improved console.log output for functions. Fixes patching dependencies in workspaces. Fixes several bugs in `bun install` when linking binaries. Fixes a crash in `dns.lookup`, and normalizes DNS errors to better match Node. Fixes an assertion failure in `Bun.escapeHTML`. Upgrades JavaScriptCore.

Node.js 22.4.0 (Current)

A Gentle Intro to TypeScript

Quick, digestible bites of TypeScript goodness for Deno developers. In this first bite, we introduce TypeScript, how to add type annotations to your code and why you should.

Announcing Hono on JSR

Hono, a lightweight, fast, cross-platform web framework, is now on JSR.

Bun v1.1.17

Fixes 4 bugs. Fixes a crash in bun repl. Makes fs.readdirSync 5% faster on macOS in small directories. Fixes "ws" module not calling the callback in "send" method. Fixes a crash when reading a corrupted lockfile in bun install. Makes macOS event loop a smidge faster.

Bun v1.1.16

Fixes 41 bugs (addressing 221 👍). lcov code coverage reports in bun test, Install dependencies from private git repositories including Gitlab and Bitbucket. `Buffer.from(string, "base64")` gets 6x - 30x faster on large input. Bug fixes to `bun patch`, `bun install`, N-AIi addons, transpiler bugfixes and Node.js compatibility improvements.

How We Made the Deno Language Server Ten Times Faster

When a customer reported performance issues with the Deno language server, we began a performance investigation that resulted in reducing auto-completion times from 6-8 seconds to under one second in large codebases. This is how we did it.

Node.js 20.15.0 (LTS)

Bun v1.1.14

Fixes 63 bugs (addressing 519 👍). Patch node_modules with bun patch. ORM-less object mapping in bun:sqlite. Log fetch() calls as curl commands. Node.js compatibility improvements. bun install bugfixes, bun:sqlite bugfixes, WebSocket fixes, Windows bugfixes

How the Guardian uses Deno to audit accessibility and performance across their 2.7 million articles

The Guardian receives over 350 million unique page views. Learn how Deno helps the Guardian maximize web performance and adhere to accessibility standards to retain and grow their readership.

Introducing More Flexible Domain Association for Deno Subhosting

This new update simplifies programmatically managing custom domains, wildcard domains, subdomains for different deployments, and more.

Node.js 22.3.0 (Current)

The stabilization process of the Standard Library has begun

The Deno Standard Library is going to reach 1.0.0 shortly. We hope you try RC versions of the packages and give us feedback!

Bun v1.1.13

Fixes 97 bugs (addressing 211 👍). Reliability improvements to bun install, WebSocket server, fetch, worker_threads. worker_threads now supports eval. `URL.createObjectURL`, stack trace error location improvements, several `bun install` fixes, and many crashes and bugs fixed.