This Month in React

Transcript and article links

• [00:00:00] Intro
• [00:00:46] New releases
• [00:00:49] Immer 10.2
• [00:01:55] ArkType ArkRegex (typed regex)
• [00:02:41] Main Content
• [00:02:45] React Conf
• [00:02:50] Official ReactConf 2025 Recap
• [00:02:57] Introducing the React Foundation (also from Linux Foundation, Meta engineering, and Seth Webster)
• [00:17:03] 19.2 (Activity, useEffectEvent)
• [00:17:27] React Native news
• [00:17:32] New architecture only from v0.82
• [00:18:52] Vega OS announcement
• [00:19:04] Vega introduction at React Conf
• [00:22:36] Joe Savona’s “Exploring React Performance” talk
• [00:23:26] Ricky’s “Async React Part I” and “Part II” (repo)
• [00:27:12] Async React Working Group
• [00:27:35] First discussion of more docs ideas
• [00:28:27] Remix v3 announcement
• [00:29:03] Announcement demo timestamped breakdown
• [00:31:28] Updates syntax can be customized?
• [00:34:44] I built the same app 10 times (code)
• [00:37:57] Same author as React Won by Default and It’s Killing Innovation
• [00:43:33] Solito 5
• [00:46:49] Next 16 and Directives debate
• [00:46:56] Next 16 released
• [00:49:41] Directives and the Platform Boundary
• [00:50:34] Technical critique of Next App Router: Everyone Hates Next.js
• [00:54:56] ⚡ Lightning round ⚡
• [00:54:58] ViteConf roundup
• [00:55:49] AWS Outage Postmortem
• [00:57:10] Voltra
• [00:58:10] Building fully native apps with EAS
• [00:58:52] React Native \<\> Imgui
• [00:59:53] Lodash maintenance foundation
• [01:00:45] Build Your Own Key-Value Database
• [01:02:24] Jared Palmer asking for GH PR suggestions and giving some technical details
• [01:03:54] Node 25 with JSON.stringify improvements
• [01:04:15]

• [00:52] New releases
  • [00:54] TanStack Start 1.0 RC!
  • [01:13] react-window 2.0 rewrite
  • [01:44] Apollo Client 4.0
  • [01:59] Redux Toolkit 2.9.0
• [02:47] Main Content
  • [02:52] React 19.2 coming soon?
    • [03:24] in canary, with docs
      • [07:18] last React Labs post mention
    • [11:43] useEffectEvent in canary and has docs
    • [15:47] Compiler inferring function names
    • [16:08] Docs for eslint-plugin-react-hooks, including rules and compiler issues
  • [17:15] React Native 1.0 on the horizon
  • [22:02] “React Won by Default – And It's Killing Frontend Innovation”
    • [22:18] Inevitable HN argument
  • [27:54] Ricky on Ryan Carniato’s stream talking about scheduling and demoing using modern React features
  • [33:41] Server Components
    • [33:44] React Router RSC framework mode preview
    • [34:36] also middleware is now stable
    • [34:44] Krasimir Tsonev’s “Can I Use RSC Today?” support matrix and experimental Forket “RSC without a framework” build tool
    • [35:43] RSBuild support for RSCs
    • [35:55] Useful post on parallel and recursive route rendering
  • [36:35] All the NPM compromises and malware this month
    • [39:47] npm package maintainer Qix
    • [39:48] CrowdStrike npm Packages
    • [40:16] GitHub Actions npm Token Theft
    • [41:01] GitHub response
• [42:00] ⚡ Lightning round ⚡
  • [42:03] Porting Modern TypeScript to Run on DOS
  • [42:35] Cloudflare DDOSed themselves with a bad useEffect fetch
  • [43:11] A very lovely writeup of the evolution of css zoom
  • [43:56] What You Need to Know about Modern CSS
  • [45:21] Fetch streams are great, but not for measuring upload/download progress
  • [45:40] Why do browsers throttle JS timers?
  • [46:01] “How Modern Browsers Work” deep dive, Addy Osmani
  • [46:32] Biome: Stress-testing WIP noFloatingPromises lint rule
  • [48:37] Bun: How bun install is so fast
  • [49:23] Styled-Components fork for perf and React 19 compat
  • [50:02] Vite SSR: Custom getStaticProps
  • [50:11] Dominic Gannaway’s new framework Ripple
  • [50:35] Remix v3: MJ hints “iframe-like async primitives”
  • [51:57] React Native RFC to remove Old Architecture
  • [52:28] Cloudflare’s new “Cap’n Web” RPC; GraphQL alternative?
  • [55:26] Expo UI: Building SwiftUI apps
  • [55:57] TanStack DB: An interactive guide
  • [56:21] TS 6.0: may switch to strict options by default
  • [57:28] Shopify’s RN New Architecture migration
  • [57:42] The Bloat of Edge-Case First Libraries
• [58:51] Conferences (React, Javascript)
  • [58:53] React Alicante Oct 2-4
  • [59:13] React Conf is back, Oct 7-8 Las Vegas, NV, USA
  • [59:29] Remix Jam, Oct 10, Toronto ON, CA
  • [59:43] ViteConf Oct 9-10 Amsterdam, Netherlands
  • [59:52] JSConf North America Oct 14-16 Chesapeake Bay, MD, USA
  • [01:00:03] JSConf Chile Oct 24-25 Santiago, Chile
  • [01:00:10] React Native London Oct 30-31
  • [01:00:22] React India Oct 31 Nov 1 Goa, India
  • [01:00:26] Wey Wey Web Nov 17-18 Malaga, Spain
  • [01:00:39] React Summit Nov 18-21 New York, NY, USA
  • [01:00:48] React Advanced Nov 28th, London UK

• (00:00) - This Month In React - September 2025 (SM)

• New releases
  • TS 5.9
    • TS 6.0 may make `strict` and change other defaults
  • React Native 0.81
  • Next 15.5
  • Preact 11 beta
    • Hydration 2.0
  • Bun 1.2.21
    • Native YAML support. Definitely not going to cause any problems
  • Tanstack DB beta
  • Ghost v6
• Main Content
  • React API changes / updates
    • React deprecating the “throw a promise” Suspense trigger method
      • Discussion between Dan, Dominik, and Ricky about how to support multiple React versions (if at all)
    • Joe Savona: “no useContext in useMemo, the compiler addresses this”
    • Github discussion with Joe about why no context selectors API or signals, research into data modeling, and why “concurrent stores” are the current focus area
      • PR for “concurrent stores” skeleton
      • Third-party `react-concurrent-store` ponyfill package
    • Devtools Suspense Timeline
  • Lee Robinsons’s “Reflections on the React Community” wrap-up post
  • Remix doing its own component model??
    • Remix 3 and the End of React-Centric Architectures
  • Popular nx packages compromised on npm
    • Last month eslint-plugin-prettier maintainers were targeted, this is a much broader attack
• ⚡ Lightning round ⚡
  • React Strict DOM vs React Native for Web in 2025
  • Faster JSON.stringify()
  • Node 22.18 unflags TS type-stripping support
  • Waku switches to Vite’s WIP RSC support
  • Rari, a fast React framework with RSC support built with Rust
  • Selecting values from query results, as well as The Useless useCallback
  • TS+ postmortem (Effect-TS experimental TS fork)
  • React useTransition update ordering details
  • “A Clock that Doesn’t Snap”, Techniques for fixing hydration of values like dates
  • React Cache: It’s about consistency
  • Self-hosting Next at scale
  • Server and Client Component Composition in Practice
• Conferences (React, Javascript)
  • React Universe Conf Sept 2-4, 2025. Wrocław, Poland
  • WaysConf Sept 16-17
  • CascadiaJS Sept 18-19 Seattle, WA, USA
  • https://squiggleconf.com/ Sep 18
  • React Alicante Oct 2-4
  • React Conf is back, Oct 7-8 Las Vegas, NV, USA
  • Remix Jam, Oct 10, Toronto ON, CA

• (00:00) - This Month in React - August 2025

• New Releases
  • RN Reanimated v4
  • RN Ignite toolkit v11
• Main Content
  • Compiler docs are merged! (live docs, and config API)
    • Expo docs say it’s “on hold”, but Evan Bacon says Expo 54 may enable the Compiler by default
    • Oh no — more function directives , “use memo” and “use no memo”
    • DIRECTIVES
    • Good thread on some history
    • Some tech discussion on the complexities of making React Compiler work with Oxlint
    • Directive prologues and JavaScript dark matter
  • Node API Support for React Native
  • Vercel shaking things up
    • Leerob is at Cursor now — Five Things [he] Learned at Vercel
    • SWC creator leaves, focusing on SWC for a while
    • Sam Selikoff just joined to do content and stuff
    • Nuxt acquired
    • Netlify Staff Eng Philippe Serhal replies to the Vercel Deployment Adapters RFC from April
  • Ryan Carniato’s “react and signals”
  • React Native Unistyles 3.0 Released
  • React Router and RSCs: The Path Forward
  • Parcel writeup for Server Components
  • WIP Vite RSC plugin support
• ⚡ Lightning round ⚡
  • Corbin’s “History of React Through Code” deep dive
  • TkDodo’s thoughts on when useCallback is useless
  • eslint-config-prettier compromised as part of an NPM supply chain attack
  • Expo Router demo by Evan Bacon AI + RSCs + Expo Router
  • Some tech details on how Meta serves React pages
  • Nitro Image library for React Native
  • A very hacky way to test RSC components
  • A good technical dive into improving INP in a Next app
  • Extra CSS Properties in React Native
  • Chrome 137 adds if support in CSS
  • React Devtools for Firefox may not get updated due to review restrictions
  • Both oxlint and biome are investigating typed lint rule support (Biome v2, tsgolint)
  • Remix v3 dev branch containing support packages
  • React Native Wallet
  • Deno v Oracle update
  • “Content independence day” from Cloudflare (they’re blocking AI crawlers)
  • Some updated Static Hermes perf numbers release available “soon”, being tested internally at Meta
  • State of HTML Survey is open
• Conferences (React, Javascript)
  • Big Sky Dev Con Aug 2 Bozeman, MT, USA
  • Kansas City Developer Conference Aug 13-14 Kansas City, KS, USA
  • React Universe Conf Sept 2-4, 2025. Wrocław, Poland
  • WaysConf Sept 16-17
  • CascadiaJS Sept 18-19 Seattle, WA, USA
  • Squiggle Conf Sept 17-18 Boston, MA, USA
  • React Conf is back, Oct 7-8
  • Remix Jam Oct 10 Toronto, Canada

• (00:00) - This Month in React July Episode - SM

• Job market FRED data, Layoffs.fyi, Trueup.io
• New releases
  • Shadcn
    • updated Calendar component
    • Moving from @radix-ui/… to radix-ui
  • Recharts v3.0
  • Vite 7.0 is out!
  • Biome v2
  • Announcing Oxlint 1.0 | VoidZero
  • Prettier 3.6: Experimental fast CLI and new OXC and Hermes plugins!
    • Experimental “fast CLI” support, first discussed Nov 2023 👀
  • Jest 30
  • React Native 0.80
  • Safari v26 beta
  • Apollo Client 4 RC1
    • May actually ship pre-compiled with the React Compiler (discussion with Lenz and Joe) 
• Sponsored by Infinite Red
• Main Content
  • Mark’s “The State of React and the Community in 2025” (slides)
  • Remix direction?
    • “Disillusioned with React Hooks”
    • “I can break signals quickly, don’t use them for real apps”
    • React Router “Open Governance” (and governance doc)
  • Debate over Radix UI status
    • Shadcn has thoughts on switching component libraries
• ⚡ Lightning round ⚡
  • Towards React Server Components in Clojure, Part 3
  • Dan’s latest posts:
    • Progressive JSON
    • How Imports Work in RSC
  • ES2025 spec released. What’s New in ES2025?
  • The Future of React Native Graphics: WebGPU, Skia, and Beyond 
  • Open sourced identity
• Conferences (React, Javascript)
  • React Nexus July 3-5 Bangalore, India
  • Big Sky Dev Con Aug 2 Bozeman, MT, USA
  • Kansas City Developer Conference Aug 13-14 Kansas City, KS, USA
  • React Universe Conf Sept 2-4, 2025. Wrocław, Poland
  • WaysConf Sept 16-17
  • CascadiaJS Sept 18-19 Seattle, WA, USA
  • SquiggleConf Sept 17-18 Bostom, MA, USA
  • React Conf is back Oct 7-8, Las Vegas, NV, USA

• Quick hits
  • Job market: FRED data, Layoffs.fyi, Trueup.io
  • Conferences (React, Javascript)
    • React Summit June 13-17 Amsterdam, NL
    • Render ATL June 11-13 Atlanta, GA, USA
• Sponsored by Infinite Red
• New releases
  • TanStack/db
  • Legend List 1.0 released
  • Redux Toolkit v2.8.0 (and bugfixes after)
  • MUI v7.1
  • Jest has a v30 beta.3 + 4 out. First alpha of it was published October 2023
  • Zustand 5.0.5, Jotai 2.12.4 and .5
    • devstore deprecated
  • Radix has new primitives: OneTimePasswordField and PasswordToggleField
  • Ant Design 5.25
  • React Aria May 19, 2025 release
  • Relay 19 with React 19 support
  • Storybook 9
• Main Content
  • Expo SDK 53 release
    • Package.json imports support
  • React Router RSC preview and other RSC topics:
    • Vite community PR to add RSC support
    • Leerob’s list of other RSC explorations
  • More Dan posts, like Static as a Server and One Roundtrip Per Navigation
  • RedwoodSDK’s “Your React Framework Feels Broken”
  • Remix v3 announcement
    • Discussion between Evan You and Michael Jackson about bundling / HMR approach and tradeoffs
  • React Core WIP
    • React MCP server
    • “Concurrent store” skeleton PR a concurrent-compatible integration for external libraries
    •  being worked on again
    • Compiler integrations with SWC and OXC
  • Apple App Store Epic Games Saga 30% Apple cut ruled unlawful in the US
  • Next reducing Vercel mentions in docs
• Lightning round ⚡
• Shared Element Transitions in Reanimated
• V8 explicit compiler hints
• TS Native Previews (usable build of the Go-based compiler)
• Vite + Rolldown preview build
• Seeded pseudo-random number proposal advances to Stage 2
• 3-layer data data fetching for complex React apps (RSCs, React Query, optimistic UI)
• Johannes Schickling announces LiveStore (reactive SQLite + sync layer)

• Quick hits
  • Job market: FRED data, Layoffs.fyi, Trueup.io
  • Conferences (React, Javascript)
    • App.js Conf May 28-30 Kraków, Poland
    • CityJS Athens May 27-31 Athens, Greece
    • React Summit June 13-17 Amsterdam, NL
    • React Conf is back Oct 7-8
    • SquiggleConf 2025 CFP closes May 23
  • Sponsored by Infinite Red
  • New releases
  • Anime.js v4
  • RN v79
  • Next.js 15.3
    • Rspack joins the Next.js ecosystem
  • React Aria April 11th
  • Redux Toolkit 2.7
  • Vitest 3.1
• Main Content
  • React Labs: View Transitions, Activity, and more
  • React 19.1
    • “Owner Stack” is a very underrated React concept
      • “One React mistake that's slowing you down”
      • Advanced React Component Patterns
      • Parents & Owners in React: Rendering Performance
  • Improvements in Expo using owner stack
  • Dan Abramov is writing again (don’t 👏ruin 👏 his 👏 process)
    • React for Two Computers (Complement to his React Conf talk)
    • JSX Over The Wire
    • Impossible Components
• ⚡ Lightning round ⚡
  • Next.js RFC: Deployment Adapters API
    • flightcontrol.dev from last year: Secret knowledge to self-host Next.js
  • Styled-Components in maintenance mode
    • RIP Styled-Components. Now What?
  • Redwood announces new Cloudflare-based RSC SDK, existing framework in community maintenance mode
  • TC39 kills Records and Tuples proposal. Possible alternative is “Composites”
  • React Compiler RC
  • "Just use Vite”… with the Workers runtime (Vite on Cloudflare)
  • React Router / Remix CVE
  • Silk Library - native-like swipeables for the web
  • {transitions} = f(state)
  • Tailwind 4, Bun, and old Macs: A Supermarket Bag And a Truckload Of FOMO
  • Introducing Firebase Studio
  • Gumroad is open source!
  • Automattic laid off 16% of staff

• Job market: FRED data, Layoffs.fyi
• Conferences (React, Javascript)
  • React Native Connection April 3 + 4, 2025 Paris, France
  • React Miami, Apr 17-18
  • CityJS London April 23-25 London, UK
  • App.js Conf May 28-30 Kraków, Poland
  • CityJS Athens May 27-31 Athens, Greece
  • SquiggleConf 2025 CFP closes May 23
• Sponsored by Infinite Red
• New releases
  • TypeScript 5.8
  • Typescript Release with Go
  • React Native 0.78 - React 19 and more
  • Next 15.2
  • Tanstack Form 1.0
  • Zeego v3
  • Material UI v7
  • "Slot pattern" for overriding internals
  • Parcel v2.14
  • XState Store v3
  • Better Auth v1.2
• Main Content
  • Lynx being released
    • Release blog
  • Security vulneratibility in Next.js: CVE-2025-29927
    • Original researcher report
    • CVEs and the NVD Process
    • Postmortem on Next.js Middleware bypass
    • Next.js and Coordinated Disclosure
    • You should know this before choosing Next.js
  • React Native 0.78 - React 19 and more
  • React Native Core Contributor Summit 2024 Recap
  • TypeScript compiler Golang rewrite??
    • Github discussion and on reddit too
• ⚡ Lightning round ⚡
  • JSC being extracted from RN Core
  • node-modules.dev v0.4.0
  • Fernando Rojo joining Vercel as Head of Mobile
  • Next vs TanStack (Router + Vite)
  • Expo’s AI Strategy
  • Laravel launched “starter kits” including React
  • React Native Enterprise Framework
  • State of React Native 2024

• (00:00) - TSIR_March 2025

• Join Reactiflux!
• Job market: FRED data, Layoffs.fyi (it's not good)
• Conferences (React, Javascript)
   
  • React Paris March 20-21 Paris, France
•  
  • React Native Connection April 3–4 Paris, France
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  • React Miami, Apr 17-18 Miami, FL, USA
•  
  • CityJS London April 23-25 London, UK
• Sponsor Read
• New releases
   
  • React Router 7.2
•  
  • TS 5.8
•  
  • Prettier 3.5
•  
  • RTK Query v2.6.0
•  
  • Standard Schema
•  
  • Astro 5.2 (also Astro 5.3)
•  
  • Turborepo 2.4
• Main Content
   
  • Sunsetting Create React App
     
    • Original “Sunsetting CRA” post vs Build a React app from Scratch
  •  
    • Backlash and confusion over initial version
  •  
    • Mark filed a PR to rewrite the docs, the React team closed that but based a new one off it
  •  
    • Between the Wires: An interview with MooTools contributors
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  • Official CRA post and setup docs updates (updated versions):
     
    • Sunsetting Create React App
  •  
    • Docs: Creating a React App
  •  
    • Docs: Build a React App from Scratch
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  • How to start a React Project [2025]
•  
  • Jack Herrington published create-tsrouter-app under the Tanstack umbrella
• ⚡ Lightning round ⚡
   
  • Vercel acquires Tremor
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  • Things people get wrong about Electron
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  • Initial Observables support in Chrome 135, Observable API
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  • Why I rebuilt ProseMirror’s renderer in React
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  • JavaScript Temporal is coming
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  • Do JavaScript frameworks still need portals?
•  
  • What Do We Do with You, Old React?
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  • “Records and Tuples” proposal is now “Composites”
     
    • Overlap with “structs” proposal?

Follow us on Bluesky!

• Job market
  • FRED data, Layoffs.fyi
• Sponsored by Infinite Red
• New releases
  • React query 5.63
  • Docusaurus 3.7
  • React Native Audio API
• Main Content
  • CRA deprecation, React team against recommending Vite
    • Dan’s “why CRA exists, don’t use it, possible future options” comment from 2023
    • Dan: “turn CRA into a launcher” still on the table, but stuck
    • “CRA is broken and not deprecated” umbrella issue
      • Ricky merged the PRs, working on legacy docs SEO redirects
  • Revealed: React's experimental animations API - Motion Blog
    • Main PR
  • Static hermes update
  • React Native Hosting with EAS
  • Everything You Need to Know About Node.js Type Stripping
  • Composable Caching with Next.js
  • Thoughts on What RSC Means for SPAs
  • Chrome's 2024 recap for devs
    • Shoutout webstatus.dev
• ⚡ Lightning round ⚡
  • Redwood.js 😱
  • A checklist for your tsconfig.json
  • Recoil repo archived
  • Bun: first-class support for s3
  • Interpolate auto height for animations
  • Free javascript; Oracle not voluntarily releasing
  • Understanding React Server Components | Tony Alicea

• (00:00) - This Month In React - January 2025