This Month in React – October 2023 Mark: React Forget and memoization: Sathya, React India: Statically analysing React components for fun and profit Joe and Mofei, React Advanced: Understanding Idiomatic React TkDodo: The Uphill Battle of Memoization Response: React memo is good actually Carl: Server Actions in canary Version policy Client Actions Mark: TanStack Query v5 RTK 2.0: we’re deferring all RTKQ changes until after 2.0! Carl: Barrel Files Vercel - How we optimized package imports in Next.js Speeding up the JavaScript ecosystem - The barrel file debacle Mark: React useTransition: performance game changer or...? Lightning round ⚡️ Carl: Photoshop is now on the web! Mark: Yarn 4.0 HN Carl: HTTP QUERY verb Mark: TC39-TG4 - New Task Group created to standardize Source Maps Actual working group: https://github.com/tc39/source-map-rfc Example: a proposal for tracking scopes data from my Replay coworker Holger Benl: https://github.com/tc39/source-map-rfc/pull/53/files My own React Sourcemaps package: https://github.com/markerikson/react-prod-sourcemaps Carl: Astro 3.2 - View Transitions improvements 7x perf improvement to Parcel bundling Neat SIMD/Rust function Mark: My React Advanced talk: Building Better React DeTools with Replay Time Travel