Repo Pulse05/21/2026, 08:58:01 PM
Day 142 of Repo Pulse: the big App Router internal state refactor lands via React Cache (+1200/-800), a Turbopack HMR memory leak gets fixed after 3+ hours of dev sessions, and sebmarkbage ships an experimental useFormStateAction hook. Plus two hot community issues — i18n hydration mismatches and 3x-slower dynamic OG images on App Router.
May 21 · vercel/next.js · The App Router Refactor Saga
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