TMiR 2024-12: React 19 is here 🎉 2024 is over
New releasesRelay v18.2
React-admin v5.4
Preact v10.25
Playwright 1.49
Astro 5.0
Radon IDE
React 19 compat for react-redux and Redux Toolkit
Main ContentReact 19 is actually out (blog post)Upgrade guide from April 2024
TKDodo: Ref Callbacks, React 19, and the Compiler
Introducing React Native Screens 4.0.0
React 19 support in React Native TBD (0.77/78?)Expo has experimental support
Next 15.1experimental: css inlining
React Native Fast IO now in prerelease
Create Target Widgets in Expo
⚡ Lightning round ⚡React Native demo for Android XR
If Not React, Then What?
Vitest vs. Jest
Aiden Bai “render-shaming” sites while working on React Scan
React Scan adds React Native support
Lenz’s Weber’s testing-library/react-render-stream-testing-library
- New releases
- Relay v18.2
- React-admin v5.4
- Preact v10.25
- Playwright 1.49
- Astro 5.0
- Radon IDE
- React 19 compat for react-redux and Redux Toolkit
- Main Content
- ⚡ Lightning round ⚡
- (00:00) - This Month In React - December
- (01:45) - Sponsored by [Infinite Red](https://infinite.red)
- (02:46) - New Releases
- (02:48) - [Relay v18.2](https://github.com/facebook/relay/releases/tag/v18.2.0)
- (03:07) - [React Admin v5.4](https://github.com/marmelab/react-admin/releases/tag/v5.4.0)
- (03:16) - [Preact v10.25](https://github.com/preactjs/preact/releases/tag/10.25.0)
- (05:25) - [Playwright v1.49](https://playwright.dev/docs/release-notes)
- (05:33) - [Astro v5.0](https://astro.build/blog/astro-5/)
- (06:00) - [Radon IDE](https://ide.swmansion.com/)
- (07:57) - React 19 compatibility in [react-redux](https://github.com/reduxjs/react-redux/releases/tag/v9.2.0) and [Redux Toolkit](https://github.com/reduxjs/redux-toolkit/releases/tag/v2.5.0)
- (10:37) - Main Content
- (10:39) - [React 19](https://github.com/facebook/react/releases/tag/v19.0.0) is finally out ([blog post](https://react.dev/blog/2024/12/05/react-19))
- (11:16) - [Upgrade guide from April](https://19.react.dev/blog/2024/04/25/react-19-upgrade-guide)
- (11:31) - Removed things
- (17:07) - New things
- (28:42) - [Ref Callbacks, React 19, and the Compiler](https://tkdodo.eu/blog/ref-callbacks-react-19-and-the-compiler)
- (37:00) - [React 19 and React Native](https://react.dev/blog/2024/12/05/react-19) [PR](https://github.com/react-native-community/discussions-and-proposals/issues/842#issuecomment-2527591610)
- (38:58) - [Expo experimental support](Expo has experimental support)
- (39:52) - Next.js experimental CSS inlining
- (40:37) - [Next 15.1](https://nextjs.org/blog/next-15-1)
- (41:33) - [React Native Fast IO](https://github.com/callstackincubator/react-native-fast-io)
- (43:27) - [NPX Create Target](https://x.com/Baconbrix/status/1868672438898455023)
- (44:55) - Lightning round
- (45:02) - [React Native demo for Android XR](https://x.com/o_kwasniewski/status/1868645896239690009)
- (45:43) - [If Not React, Then What?](https://infrequently.org/2024/11/if-not-react-then-what/)
- (52:29) - [Aiden Bai “render-shaming” sites](https://x.com/aidenybai/status/1862529226727121366) while [working on React Scan](https://react-scan.com/)
- (55:14) - Lenz’s Weber’s [testing-library/react-render-stream-testing-library](https://github.com/testing-library/react-render-stream-testing-library)
- (58:13) - Outro
Creators and Guests
Host
Mark Erikson
An engineer maintaining Redux and Redux Toolkit, working at Replay.io to make smarter AI chat bots and debuggers using time travel.
Producer
Carl Vitullo
Solopreneur just vibing, posts are probably bullshit. Community lead at Reactiflux, the largest chat community of React professionals.
