iiinova — where your digital self keeps evolving

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 01/10/2026

This Week In React 299 ⚛️ - Panda - Vinext - Next.js - Preact - Design Systems - RTK 📱 - Variable Font - Activity Result - Lynx - Lucent - macOS - Plain Text - RNav - Angular Native 🍿 Read: thisweekinreact.com/newsletter/299 ✍️ @jwr.ski & I

041

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 29/09/2026

👀 Great new JS feature Can be used for sliding window algorithms, such as a moving average Should also work on infinite streams, computing the moving average lazily

1181

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 29/09/2026

👀 A11y update Element.ariaNotify() -> now Baseline Widely Available Triggers a screen reader announcement programmatically Now in all modern browsers (latest versions) -> for now, it can only be a progressive enhancement

0133

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 29/09/2026

👀 AbortController update - AbortSignal.any() -> now Baseline Widely Available - AbortSignal.timeout() -> will be very soon (2.5 years in all browsers) (also in all server runtimes)

0151

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 17/09/2026

This Week In React 297 ⚛️ - DevTools - Motion - Apollo - React Router - React Hook Form - shadcn lint 📱 - Shopify - Expo 58 beta - ExecuTorch - Screenmap - Lynx - Stim - Voltra 🍿 Read: thisweekinreact.com/newsletter/297 ✍️ @jwr.ski & I

083

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 16/09/2026

💡 JSPI = JavaScript Promise Integration for WebAssembly "Await for Wasm code" Now in all browsers 🎉 Recently added to Safari and Firefox Looks like an important primitive for native languages C/C++/Rust, etc compiling to Wasm

0193

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 15/09/2026

💡 OpaqueRange is nice This inspired me this universal syntax highlighter that works with a gpu model to highlight a <textarea> The fun part is that you can mix multiple languages within the same <textarea> 🤪 github.com/slorber/gpu-...

2122

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 14/09/2026

👀 React Native 0.88 + React 19.3 🎉 The React version upgrade was recently merged into main The 0.88 branch is already cut, RC.0 already released The commit was cherry-picked so it should still be included 👍

040

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 14/09/2026

👀 React DevTools v8.0 Now available on Chrome Web Store chromewebstore.google.com/detail/react...

0110

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 11/09/2026

I don't know, Michael Jackson seem to agree this is the right time for this move, at the same time previously pushed for moving more things to servers (easier in RN to do OTA + server-driven UI Also:

130

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 11/09/2026

IMHO this choice is questionable, we'll see soon 🤪 Worth reading why RN remains relevant here: x.com/aleqsio/stat...

2121

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 09/09/2026

This Week In React 296 ⚛️ - React 19.3 - DevTools - Next.js chunking - cn - 3D Maps - Effective-RSC - Vidact - Unified Flow 📱 - 0.88 RC - Expo Modules v2 preview - RN QuickJS - Goldie - ContinuedTask 🍿 Read/subscribe: thisweekinreact.com/newsletter/296 ✍️ @jwr.ski & I

1124

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 09/09/2026

Oups, forgot to post the demo video 😇

010

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 09/09/2026

It's using <Model3D> with a wrapper component providing the animation Fun 3D result visgl.github.io/react-google...

010

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 09/09/2026

👀 React Google Maps 1.10 Completed its existing Google Maps 3D support with declarative components GLB models, HTML markers, polylines, polygons, terrain flattening, and circular paths The balloon is a 3D marker - animated GLB model

141

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 09/09/2026

👀 React DevTools v8 is coming The changelog is already merged and gives a sneak peek. ⚠️ Not published yet on npm or extension stores. I don't know you, but I feel like React 19.3 is coming 😇 github.com/react/react/...

2100

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 09/09/2026

👀 react-devtools-cdt-mcp The React team is experimenting with a new tool for agents to understand your app at runtime This is not an MCP This lets Chrome DevTools MCP discover/register/expose React-related tools Looks like pkg is getting ready for its 1st npm publish github.com/react/react/...

150

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 03/09/2026

👀 React Native 1.0 - finally coming? In our latest RN headline, we caught an important RFC and dozens of WIP PRs to clarify the public C++ API This follows the "Stable API" work already done on JS/TS/Java/Kotlin To me, this looks like one of the last remaining important pieces needed for 1.0

1100

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 03/09/2026

You might have missed this, but on X everyone is talking about StyleX lately 👀 Here's our latest headline to catch up

142

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 02/09/2026

This Week In React 295 ⚛️ - StyleX - browser() - Next.js - Compiler in Vite/Bun - Astryx - Formisch - React Aria - TanStack 📱 - C++ API - Margelo+Callstack - Observe - Reanimated - Teleport - Nitro - Screen Transition 🍿 Read thisweekinreact.com/newsletter/295 ✍️ @jwr.ski & I

2125

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 02/09/2026

👀 Out-of-order streaming Now in the HTML spec 🎉 github.com/whatwg/html/... The "list" placeholder gets replaced by the template that appears later in the document. Already in Chrome/Edge Positive positions from other browsers Maybe this can power React Suspense for SSR in the future? 👀

25011

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 02/09/2026

<ViewTransition> + Fragment refs are first coming to React-DOM But there's work in progress toward bringing these to React Native as well (many PRs), and that intent is already documented.

030

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 02/09/2026

We already had a hint from the Next.js team on Reddit / X 2 weeks ago, and the typedefs PR (still a draft today) confirms what's likely to come

230

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 02/09/2026

👀 React 19.3 - You can already sense what’s brewing Just follow the types to get a sneak peek 🤪 Top 3 changes: ✅ <ViewTransiton> / addTransitionType stable ✅ Fragment ref stable ✅ React-DOM browser() API 🆕 ViewTransition + Fragment refs ➡️ designed to be cross-renderer

1202

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 01/09/2026

One of the most exciting JS proposals now has a draft spec tc39.es/proposal-com... Aiming for stage 2 at the next TC39 meeting github.com/tc39/agendas...

2667

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 19/08/2026

This Week In React 294: ⚛️ - React Compiler rollout - TanStack Start/Router/Query/Form - Next.js - GTKX - Effect - Unhead - shadcn - Preact 📱 - RN 0.87 - Screens - RNGH - Enriched Markdown - Tuft - Skia - Worklets - Pager View 🍿 Read thisweekinreact.com/newsletter/294 ✍️ @jwr.ski & I

4213

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 14/08/2026

Explicit Resource Management - soon available everywhere Just landed in Safari Technology Preview 250 webkit.org/blog/18191/r...

0124

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 05/08/2026

This Week In React 293 ⚛️ - Next.js - TanStack Table / Charts - browser() - React Aria - MobX - SWR - WebMCP - R3F 📱 - PlainText - VisionCamera - Gesture Handler - Expo Simulators - Firebase - Voltra 🍿 Read: thisweekinreact.com/newsletter/293 ✍️ Jakub Kowalski, Katarzyna Podmokła, @swmansion.com

1102

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 29/07/2026

This Week In React 292: ⚛️ - Octane - TanStack - StableRef - Next.js - Canvas UI - Reassure - CSS-in-JS 📱 - Workers - SafeAreaView - backgroundImage - WebGPU - VisionCamera - React Navigation - Canvas Kit - Nitro 🍿 Read thisweekinreact.com/newsletter/292 ✍️ @jwr.ski & I

0133

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 29/07/2026

👀 Core Web Vitals + Soft nav / history.pushState() SPA framework users should care! Measuring client-side page transitions, officially coming: - Chrome 151 - August 11th - npm "web-vitals" v6.0 - Lighthouse v13.4 - PageSpeed Insights - Real User Monitoring providers

1141

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 27/07/2026

👀 JS Composites proposal update "After benchmarking and general reflection, the proposal is now pursuing an interning based approach." - @acutmore We didn't get Records & Tuples but we may still get interned data structures in JS! Really exciting update if this lands in JS

4579

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 27/07/2026

⚠️ Promise.all() makes your code sensitive to destructuring order 🆕 Promise.allKeyed() is IMHO a better alternative in many cases I've been using my "combine-promise" lib for that, and can finally deprecate it soon

1475

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 22/07/2026

This Week In React 291 ⚛️ - ReactBench - Security - TSRX - React Aria - dx-styles - TanStack - Forms - GTKX 📱 - SPM - Binary Props - Bundle Mode - Worklets - Metro - Whisper - Metrognome 🍿 Read thisweekinreact.com/newsletter/291 ✍️ @jwr.ski & I

0122

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 15/07/2026

This Week In React 290: ⚛️ - Suspense - Working Group - Next.js - React Router - Storybook - Astryx 📱 - Mediaqueries - ViewTransition - Platform.Variant - Screens - Nitro - KeyboardController - Skia 🍿 Read: thisweekinreact.com/newsletter/290 ✍️: @swmansion.com Konrad & Szymon

0144

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 08/07/2026

This Week In React 289 ⚛️ - Base UI + shadcn - Next.js WebSocket - Vinext - Takumi - ChatGPT stack - Shaders - Unlayer Elements 📱 - v0.87 cleanup - Navigation v8 progress - Agent tooling - Sniffler - Metro - Voltra - Tapflow 🍿 Read: thisweekinreact.com/newsletter/289 ✍️ @jwr.ski & I

0194

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 08/07/2026

TypeScript 7.0 is officially out, and it's much faster! Up to 16x faster with increased type-checking parallelization

0343

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 08/07/2026

👀 React Native 0.87 looks like a big cleanup release Lots of deprecated APIs are being removed, JS + native This includes significant ones: InteractionManager, SafeAreaView... Also, more APIs are getting deprecated, scheduled to be removed later Clearly moving toward 1.0 👀

030

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 08/07/2026

Don't underestimate the number of CVEs related to ReDos Many of them are actually annoying and make "npm audit" and security tooling quite useless Many times, a dependency is technically vulnerable to ReDoS, but since you provide safe inputs, you get annoying false positive flags

130

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 08/07/2026

👀 RegExp linear matching proposal Stage 0 Presented at TC39 soon for Stage 1 in 2 weeks It's exciting because it may help reduce the number of ReDoS CVE vulnerabilities Gives an easy way to deal with unsafe inputs used in RegExp and backtracking issues github.com/michaelficar...

1120

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 07/07/2026

12 years ago, I opened a PR Tim Berners-Lee, the inventor of the Web, approved it 😎 Today I stumbled upon my proudest achievement again... PR closed after triage 2 days ago 😭 github.com/linkeddata/r...

0530

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 07/07/2026

👀 ES2026 officially approved by Ecma - Array.fromAsync - Error.isError - Math.sumPrecise - Uint8Array to/from Base64 - Iterator Sequencing - JSON.parse source text access - Upsert - Map.getOrInsert

180

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 07/07/2026

"proposed standard" kind of means it's already standardized, only a few move to the next stage in IETF process FYI HTTP2, SSH, QUIC, TLS 1.3, OAuth 2.0 are also at this stage, and yet widely adopted everywhere So no, it's not overhyped, it's officially here

000

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 07/07/2026

👀 New HTTP QUERY method Similar to GET, with a body allowed Safe, idempotent, cacheable There are also headers to: - give the query its own URI (Location) to query again without body - give the response its own URI (Content-Location) to get the same response again www.reddit.com/r/webdev/com...

510610

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 01/07/2026

This Week In React 288 ⚛️ - Next.js - React Compiler - use() - Astryx - TanStack Start - Takumi - nuqs - Storybook - ESLint 📱 - Expo - RN Windows - VisionCamera - Rollipop - Legend List - Nitro - Sentry - AI 🍿 Read/subscribe: thisweekinreact.com/newsletter/288 ✍️ @jwr.ski & I

1143

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 01/07/2026

Wonder who will be the first to do this in their codebase 🤪 use(use(use(Ctx)))

0180

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 24/06/2026

This Week In React 287 ⚛️ - Fragment ref - React Compiler - StyleX - React Router - cnfast - Base UI - Remotion - React Aria 📱 - Reanimated - Widgets - VisionCamera - Test Renderer - Worklets - Legent List - Metro 🍿 Read/subscribe: thisweekinreact.com/newsletter/287 ✍️ @jwr.ski & I

0172

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 24/06/2026

👀 <React.Fragment ref> This API is really exciting, unlocking many new composition patterns - Already available in Canary - OSS flag enabled, so likely coming in v19.3? - Coming in RN too! Recently, it has been more exhaustively documented: react.dev/reference/re...

3314