How to replay user input that happened before React hydration: preserving filter state, firing onChange, and keeping URL query params in sync.

Blink: Intent to Ship: Deferred imports evaluation ("import defer")

ALT: Tkt Smart Meme: Think Smart

Many projects are littered with files that just re-export other files. These so called "barrel files" are one of the key reasons why JavaScript tooling is slow in bigger projects.

@kurtextrem tsgo is even slower somehow https://t.co/bymHJCfEMz

Why you don't want SVGs in your JavaScript bundle and better performante-oriented techniques for using SVGs in JSX.

Pair useSyncExternalStore with useDeferredValue and memoization to keep hydration concurrent and INP friendly.

Future versions of oxlint and oxfmt will be ~50% faster on projecs with many (>=20k) directories.

Blink: Intent to Prototype: Lazy loading for video and audio elements

All-in-one guide for improving Interaction-to-Next-Paint (INP) React applications. Introduces the useAfterPaintEffect hook.

Streaming is inevitable. Out of order streaming is an underrated tech breakthrough.