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