#477 — June 5, 2026 |
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The Conductor Rewrite: What They Changed to Make It Fast — A founder interview turned React performance teardown on how Conductor, a Mac app for coordinating coding agents, got 2x faster. It walks through a re-render trap, routing choices, and virtualization work on its chat view that added up to the win. I loved seeing the entire stack listed out too. Dennis Brotzky |
💡 The author previously did a similar breakdown of Linear. |
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The Rust Port of React Compiler is Nearly Ready to Go — Rick, of the React core team, notes Meta has been testing it, seen ‘great results’, and it’s likely to be merged in the next week or two. You can test it now. Hanlon, Savona, et al. |
Next.js + Supabase: Catch N+1 Queries Before Users Do — Learn how you can use one trace from your Next.js page load through the API route, into the Edge Function, down to the Postgres query. Auto-detect N+1 queries, drain Supabase logs into Sentry, and let Seer suggest fixes for new issues. Sentry sponsor |
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IN BRIEF:
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▶ All 17 TanStack Projects in One App — TanStack now offers a huge suite of projects and libraries (Start, Form, Router, etc.) and this is a surprisingly good way to see what they all do in just 14 minutes. Jack Herrington |
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Everything You Need to Know About Source Maps — Source maps map between original source code and its minified/transformed version and are handy when debugging. Be careful to not let them expose your codebase, though… Neciu Dan |
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React Query Can't Fix a Slow Analytics Query — Blame the database, not the component. TimescaleDB extends Postgres so analytics stay fast at scale. $1000 credit Tiger Data (creators of TimescaleDB) sponsor |
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📄 Component Architecture for React Server Components – An exploration of how RSCs let you improve your page architecture. Aurora Scharff 📄 Things I Learned While Building Expo – Evan’s been at Expo since the early days and created Expo Router, but he’s now leaving. Evan Bacon 📄 How We Cut Build Times by Two-Thirds by Deleting Our CMS – A Gatsby to Astro migration. Eli Lennox (Sentry) |
🛠 Code, Tools & Libraries |
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React Spectrum 1.4: Adobe's Complete React Design System — The homepage does a great job of selling it, but Spectrum is a spectacular toolkit for building a high quality experience. v1.4 adds drag-and-drop support for collection components, highlight selection and Adobe |
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react-call 2.0: Turn a Component Into Something You Can Ismael Ramon |
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You Might Not Need An Effect 1.0: Catch Effect Anti-Patterns — An ESLint/Oxlint plugin to catch when you might not need an Effect in React. If you’d rather do it by hand, though, the React docs explain all. Nick van Dyke |
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🍪 c15t 2.0: Fast Consent Banners for React Apps — For when you need to add consent banners to your app that render as quickly as possible, keeping both the regulators happy and your users reassured. Inth |
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📡 And one for the future.. |
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Liquid DOM: Liquid Glass for the Web — A striking implementation of Apple-style ‘liquid glass’, with React bindings. You need WebGPU and the experimental HTML-in-Canvas API enabled to get the most from it, but it’s a neat look into the (near) future of browser capabilities. Andrew Prifer |