Next.js 16.4, and a new way to visualize React apps

#​493 — October 9, 2026 Read on the Web ℹ️ We're back from a week off, but we're taking next week off too, so will be back on Friday, October 23. __ Your editor, Peter Cooper React Status A Visual Notation for React's Parent and Owner Trees — A proposed diagram notation for React apps that shows both where each element ends up (the parent tree) and which component created it (the owner tree), with marks for context, Suspense, memo, error boundaries and RSC. There's also a playground that draws trees from code you paste in. Jules Blom React Form Builder with Full Control Over UI and Data — Buil

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