💡 Vite+ was originally intended to be a commercial project to fund work on Vite and related projects, but was open sourced under the MIT license earlier this year.
Still Writing Tests Manually? Meticulous AI Is Here — Notion, Dropbox, Wiz and LaunchDarkly now use a testing paradigm they can’t work without. Built by former Palantir engineers, Meticulous automatically creates an evolving suite of E2E UI tests, delivering exhaustive coverage with no developer effort.
Meticulous
What's New in ECMAScript 2026 —
The 876 page ECMAScript 2026 spec was approved last week, and this round-up covers several main new features that made the cut, from Array.fromAsync to native Uint8Array Base64/Hex conversion, with examples for each. All are already in browsers and runtimes (except Math.sumPrecise in Node) so you can likely use them today.
Pawel Grzybek
IN BRIEF:
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🕹️ js1024, the annual 1KB code-golf competition, is open for entries. The theme is 'dreaming', and you've got 1,024 bytes to make something neat. Here's last year's winner to get a feel for the caliber.
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There's a TC39 proposal to standardize a
codeproperty onError(long a de-facto Node convention). Its champion, James Snell, hopes to advance it at this month's plenary.
RELEASES:
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vinext 1.0 Beta – Cloudflare's Vite plugin reimplementing Next.js's API surface.
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webpack-dev-server 6.0 – The official webpack dev server with live reloading upgrades to Express 5 and native ESM.
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Dependency Cruiser 18.0 – Tool to validate and graph project dependencies.
Working with AI: A Concrete Example — The creator of htmx reflects on the role of AI in his work with a practical example of using Claude to investigate a bug report. He also touches on how AI fits in with being an ‘older developer’, a topic I rarely see brought up.
Carson Gross
📄 A Guide to Hydration and Rendering Strategies – SSR, streaming, islands, resumability, and RSC, compared. Neciu Dan
📄 WebGL Without a GPU – Useful tips for testing or taking screenshots of WebGL-rendered experiences. Kiko Beats
📄 Understanding TypeScript's Distributive Conditional Types Tejas Bubane
📄 Things You No Longer Need JavaScript For – A catalog of patterns modern HTML and CSS can now handle alone. Aaron T. Grogg
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ESLint Plugin Perfectionist 5.10 – For when you're really particular about how things like objects, imports, and types are ordered, whether alphabetically, by length, etc.
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TinyBase 9.0 – Bug fix and stability release for the reactive data store and sync engine backend.
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wavesurfer.js 7.12.10 – Interactive waveform rendering for playing audio.
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React Google Maps 1.9 – Use a Google map as a reactive component.
📢 Elsewhere in the ecosystem
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🤖 Safari has introduced an MCP server in its latest preview release, providing agents with a way to connect to a Safari window and emulate the user experience while debugging.
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shadcn/uihas switched to Base UI as its default component library (from Radix). Radix isn't going away, but Base UI is recommended for new projects. -
PocketJS is a project that brings a JavaScript VM, Vue Vapor, and Solid UI into an 8MB memory budget, and can, curiously, run on the Sony PSP, as well as in WASM and natively on macOS.
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📈 Commit History is an online tool that creates charts of a user's GitHub commits over time. A nice addition for your profile README, or check out Sindre Sorhus's chart to see the legendary maintainer's consistency over the years.
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🎉 PGlite, a WebAssembly build of Postgres for use in JavaScript environments, celebrates reaching 10 million weekly downloads while explaining the use cases and how to get started with it yourself.