Announcing Interop 2026 — The Interop project forms the basis for Google, Apple, Igalia, Microsoft, and Mozilla to collaborate each year on implementing the web technology that developers most want and need. This year sees fifteen brand new topics, including improvements to attr(), container style queries, contrast-color(), scroll-driven animations, and tightening up the CSS Scroll Snap spec.

Wu and Simmons (WebKit)

Free Workshop: Debug React Apps With AI From Dev to Prod — Seer is Sentry's AI debugging agent. It root causes errors, suggests fixes, and catches bugs before they ship. This free 4-part workshop goes hands-on with each feature. No fluff, just walkthroughs you can follow along with.

Sentry sponsor

Modern CSS Code Snippets — It has a few rough edges, but the core idea of showing a variety of CSS snippets with a before/after showing the “old” way to do something versus the “new” way is neat. I picked up a few quick techniques I wasn’t aware of.

Naeem Noor

Implementing Virtual Scrolling at Billion-Row Scale — A technical walkthrough of handling DOM limits, scrollbar precision problems, and accessibility constraints in building a table component (HighTable) that handles billions of rows efficiently.

Sylvain Lesage

What Happens When a Web Team Goes All-In on Claude Code — Expo's developers share honest lessons from a month of AI-assisted coding: wins, limits, and real productivity gains.

Expo sponsor

Approximating contrast-color() with Other CSS Features — With contrast-color() not yet widely supported, this article derives a one-line CSS formula using oklch() relative color syntax to automatically choose black or white text against any background.

Kevin Hamer (CSS Tricks)

Gwtar: A Static, Efficient, Single-File HTML Format — A technical explanation of a new polyglot HTML archival format that provides a single, self-contained, HTML file but which can be efficiently lazy-loaded by a web browser through the use of some cute techniques.

Gwern

Justifying text-wrap: pretty — “Although Safari is the first browser to ship a non-joke implementation of text-wrap, the combination with text-align looks ugly..”

Alex Kladov

Oat: Ultra-Light, No-Dependency HTML UI Component Library — This one got a lot of love on social media this week! Oat is built on the idea of just throwing a CSS and JS file into your project (totalling about 8KB gzipped) and getting a complete UI component library at your disposal with a shadcn-inspired aesthetic and without any arduous build steps.

Kailash Nadh

Clerk's New Pricing: 50,000 MRUs Free on Every Plan — First major update since 2023. MFA included in Pro at $20/mo, unlimited apps, and automatic volume discounts as you scale.

Clerk sponsor

🕒  Slowmo: Slow Down, Pause, or Speed Up Browser Time — Not quite a DeLorean, but a tool (usable in your own code or as an extension) that slows down time in the browser for debugging animations, studying demos, and so on. It slows down a variety of things like CSS animations, transitions, and requestAnimationFrame.

Francois Laberge

✉️  Maizzle: Build HTML Emails with Tailwind CSS — A framework that helps you quickly build HTML emails with Tailwind CSS and a toolchain to apply advanced email optimizations and customizations (like inlining CSS, rendering Markdown, and creating plain text versions).

Maizzle

TanStack Hotkeys: A Type-Safe, Cross-Platform Hotkey Library — An alpha release of a universal keyboard interaction toolkit that tackles all the rough edges and gotchas of different environments. Focused on React for now, but agnostic at its core.

TanStack LLC

fetch-network-simulator: Intercept fetch to Simulate Poor Network Conditions — At its heart is a library that intercepts fetch and applies rules to do things like drop random requests, delay them, or slow them down, so you can see how resilient your app is.

Karn Pratap Singh

Vercel Introduces 'Geist Pixel' — Vercel commissioned a variety of fonts for its Geist design system, with the latest addition being an aliased/bitmap variant.

Vercel