Hugo Campos
@hugocampos.bsky.social
Principal Software Engineer at the Esri R&D Center in Zurich. Working on the ArcGIS Maps SDK for JavaScript. Typescript, CSS, Web Components, WebGL, GIS. He/Him
I wrote about what I've been up to with my new programming language! Zena targets WebAssembly GC, with a TypeScript-like syntax, sound type system, and lots of cool features like pattern matching, async cancellation, borrow checking, WASI integration, and more! justinfagnani.com/2026/09/09/z...
Zena: A new Wasm-first programming language
justinfagnani.com
Vitest 5 is here! 🎉 - Big performance improvements (vm pools up to 53% faster, ~18% boost across the board including Browser Mode) - New builtin Trace View in Browser Mode - Nested projects support - New benchmarking API - New `vi.when` API - Better defaults - And a lot of bug fixes!
Announcing Vitest 5.0
Vitest 5.0 Release Announcement
vitest.dev
✂️ Knip v6.32.3 is out Some 🔥 fixes by no less than 8 new contributors 🧡 Still in awe how the downloads keep ramping up (2.5M/day!) — hopefully means both hoomans and agents cleaning up after 'emselves... 🧹 Watch this space, moar is coming! Changelogs: github.com/webpro-nl/kn... Knip: knip.dev
For those looking for more details after the release announcement here they are. Solid's approach to Async is one of kind. And more than that it has real implications. www.solidjs.com/blog/async-s...
If you’re not stalking TypeScript PRs, you might be surprised how much you can do with the API in nightlies (and even in 7.0 stable), so here’s a tiny demo that I think hits some of the highlights. 🧵
🚨 Solid 2.0 has reached Release Candidate! 🎉🥳 Async is first-class — computations return promises, the graph suspends and resumes itself. Plus optimistic mutations and a reactive core rebuilt from scratch. The Big Reveal 👇 www.solidjs.com/blog/solid-2... 1/3
Have you been using TypeScript 7? @ahejlsberg.bsky.social shows off what 10x faster build & editing experiences look like with @vscode.dev!
TypeScript 7 Is Here (And It's 10× Faster)
YouTube video by Microsoft Developer
youtube.com
Type-aware Linting via Oxlint is now stable 🎉 oxc.rs/blog/2026-07...
Type-Aware Linting Stable
A collection of high-performance JavaScript tools written in Rust
oxc.rs
I've been waiting for this for so long. The previews have worked wonderfully for us and it's so awesome to see 7.0.0 finally being released! Congrats to the whole team on this huge milestone.
TypeScript@typescriptlang.org · 2mo ago📣 The moment is here. 📣 TypeScript 7 is officially released! 7️⃣ devblogs.microsoft.com/typescript/a...
✂️ Knip v6.25.0 is out → New cycles reporter (circular dependencies) → New plugins: eve, fumadocs → Many plugins significantly improved → Tons of UX + DX feats & fixes Let's go! Thank you 9️⃣ contributors 🫶 Changelogs: github.com/webpro-nl/kn... Knip: knip.dev
🚀 Vite 8.1 is out ⚡ Experimental Full Bundle Mode: ~15x faster dev server startup & ~10x faster full reloads on large apps 🧩 Chunk Import Map to keep chunks stable & improve caching 🦀 WASM ESM integration 💡 Lightning CSS on the road to default 👀 and more! vite.dev/blog/announc...
Vite 8.1 is out!
Vite 8.1 Release Announcement
vite.dev
Astro 7 is here! A new Rust compiler, a new Rust Markdown/MDX processor, Vite 8 and more. Get ready for 60%+ faster builds. astro.build/blog/astro-7/
Astro 7.0 | Astro
Astro 7.0 brings faster builds with Vite 8, a new Rust compiler, Advanced Routing, background dev server support, and structured logging.
astro.build
📣 TypeScript 7's Release Candidate is now out! 📣 The new native rewrite is almost here. Try it out on your codebases, and make sure your team is ready for the upcoming 7.0 release!
Announcing TypeScript 7.0 RC - TypeScript
The Release Candidate for TypeScript 7.0 is now available!
devblogs.microsoft.com
⚡ Every token matters in agentic coding workflows. Learn how the GitHub Copilot team is improving token efficiency in VS Code through smarter caching, tool search, WebSockets, and specialized subagents. 📖 Read the full post: aka.ms/vscode/blog/...
Improving token efficiency in GitHub Copilot
Learn how we're improving token efficiency in GitHub Copilot to reduce costs and latency for users.
aka.ms
New demo: Animated CSS Grid Layout. codepen.io/bramus/pen/o... Here’s the thing: No View Transitions. No JS at all. Instead, it uses Anchor Positioning to anchor the cell contents to the cell. Then, CSS transitions are used to animate the contents to their new location as the grid re-layouts.
What web technology is coming in Safari 27.0? Find out here. webkit.org/blog/17967/n...
News from WWDC26: WebKit in Safari 27 beta
Safari 27 beta is here.
webkit.org
VoidZero is joining Cloudflare. Our mission stays the same: to make JavaScript developers more productive than ever before. Vite, Vitest, Rolldown, Oxc, and Vite+ remain MIT-licensed. Evan and the VoidZero team will continue leading them.
With the HTML-in-Canvas API announced at #GoogleIO, add DOM elements directly to your 3D environment, inheriting native support for screen readers, translation, and even autofill → goo.gle/3RQ8v49
💥 Game changer for Web Development announced at GoogleIO- Modern Web Guidance! It’s expert-vetted skills for web development based on best practices of latest specs and APIs. It ensures your agent/coding harness doesn’t default to older and out of date patterns to build sites.
Speeding up the JS ecosystem OXC edition 🚀 We made both oxfmt and oxlint 50% faster on projects with >50k directories. marvinh.dev/blog/speedin...
Speeding up the JavaScript ecosystem - oxlint and oxfmt
Future versions of oxlint and oxfmt will be ~50% faster on projecs with many (>=20k) directories.
marvinh.dev
🚀Rolldown 1.0 is here!🚀 Rust-based high-performance JavaScript bundler. 🏎️ Runs at native speed that’s up 30x faster than Rollup 🤝 Compatible with existing Rollup & Vite plugins ⚡The underlying bunder for Vite After 2 years, Rolldown is officially stable and has 20+M weekly downloads.
@vitest.dev is going framework agnostic, and we need your feedback!
[Proposal] Framework-Agnostic Vitest · vitest-dev vitest · Discussion #10271
Vitest's tight coupling with Vite has historically been one of its greatest strengths: instant HMR, a unified config, and a shared plugin ecosystem made it the natural choice for projects already i...
github.com
we launched a new @e18e.dev mini-site today! replacements.fyi acts as a super simple frontend to the module replacements data. we noticed the data wasn't very discoverable, so this is a focused tool for when you want to quicky look up if something has alternatives (esp. native ones!)
replacements.fyi - A new module replacements website
A look at the new module replacements website and the collaboration that went into it
e18e.dev
TypeScript 7.0 Beta is here! Built on a new native and parallelized foundation, it's already being used on multi-million line codebases. Read up more here and try it on your projects today! devblogs.microsoft.com/typescript/a...
Announcing TypeScript 7.0 Beta - TypeScript
Today we are absolutely thrilled to announce the release of TypeScript 7.0 Beta! If you haven’t been following TypeScript 7.0’s development, this release is significant in that it is built on a comple...
devblogs.microsoft.com
Storybook 10.3 is out! ✨ Storybook MCP for React ♿ A11y overhaul fixes 100s of issues 🧑💻 CLI overhaul for faster, more reliable install 💅 New Viewports and Zoom UI ✅ New onboarding guide 🏭 Type-safe CSF factories for Vue, Angular, and Web Components Take a look ⤵️
Storybook 10.3: MCP, a11y improvements, & workflow upgrades
Component-driven development for humans and agents
storybook.js.org
Real DOM content in a canvas: fully searchable, translatable, inspectable. You can have forms, add WebGL effects & much more. Imagine if this was a customizable select 🤯 A little WIP exploration (not finished) for a very exciting API. github.com/WICG/html-in...
This article is so nice! It really goes deep into reactivity and how signals work. And those little animations showing state and notification propagation are soooo beautiful 🤩
Willy Brauner@willybrauner.com · 6mo agoI feel like I’ve been on vacation since I published my last article. Writing and organizing my thoughts on a topic is truly enriching. In case you missed it: willybrauner.com/journal/sign...
TypeScript 6.0 is now available! This release brings better type-checking for methods, new standard library features, new module features for Node.js, and more! But most important, this release brings us one step closer to the upcoming native-speed 7.0! devblogs.microsoft.com/typescript/a...
Announcing TypeScript 6.0 - TypeScript
TypeScript 6.0 is now available! TypeScript 6 is a stepping-stone release, aligning with the upcoming native-speed 7.0 release.
devblogs.microsoft.com
Vitest 4.1 is out! 🚀 ✅ Vite 8 support from day 1 🏷️ Test tags to organize, filter & apply shared options 🪝 New hooks for easier tracing, transactions and AsyncLocalStorage 🔍 Async leak detection 🤖 Agent reporter to reduce token usage And much more! Full blog post at vitest.dev/blog/vitest-...
Announcing Vitest 4.1
Vitest 4.1 Release Announcement
vitest.dev
