React Native Weekly #39 React Native 0.87 Released, Yoga CSS Grid Lanes, OpenAI Agents SDK Support and more

React Native 0.87 Officially Released#

React Native 0.87 has been released, introducing stricter TypeScript types and experimental support for Swift Package Manager (SPM). The bundled Metro 0.87 generates source maps twice as fast while cutting memory usage in half. https://twitter.com/reactnative/status/2087531691283988521 https://twitter.com/reactnative/status/2087531708585562171 https://twitter.com/reactnative/status/2087531720958746929 https://twitter.com/suguru_takaha4/status/2087541608384467196 https://twitter.com/ospfranco/status/2087666609213026725

Claude Desktop App Adds Expo Integration#

An Expo integration for the Claude Desktop App has been announced, along with a waitlist sign-up for an upcoming project. More details are expected to be shared soon. https://twitter.com/expo/status/2088000471411945789 https://twitter.com/expo/status/2088000473576149090

React Native Enriched Markdown 1.0.0 Released#

Version 1.0.0 of React Native Enriched Markdown, a markdown rendering library, has been released and is now stable on both Android and iOS. It supports GitHub Flavored Markdown code blocks and tree-sitter-powered syntax highlighting. https://twitter.com/swmansiondevs/status/2087850525458837919 https://twitter.com/swmansion/status/2087909501122785319

Haptic Feedback Design Tool Pulsar Studio Announced#

Software Mansion announced Pulsar Studio, a tool for designing, editing, and implementing haptic feedback. It supports generating haptics from audio or Lottie animations and includes real-time previews on physical devices. https://twitter.com/swmansion/status/2087898941350158604

Native CSS Grid Lanes Announced for Yoga#

Native CSS Grid Lanes for the Yoga layout engine has been announced. This approach brings CSS Grid lane layouts to native environments. https://twitter.com/JI/status/2088682765487378489

OpenAI Agents SDK for TypeScript Now Supports React Native#

The TypeScript version of the OpenAI Agents SDK has been updated with React Native support. Developers can now build multi-agent applications powered by the Realtime API on mobile. https://twitter.com/seratch_ja/status/2087341785316270301

screen-transitions Starter and SDK 55 Compatibility Details Released#

A starter for the screen transition library screen-transitions has been released, featuring setup examples for bottom sheets and zoom transitions in Expo Router and React Navigation. It also covers key considerations regarding internal behavior changes in Expo SDK 55. https://twitter.com/trpfsu/status/2087564078982013410 https://twitter.com/trpfsu/status/2087564074871644543

Upcoming Uniwind Version to Support iOS Filters#

The upcoming version of the styling library Uniwind is set to support iOS filters with zero additional dependencies. Targeting React Native 0.87, it will be available under a canary flag. https://twitter.com/jpudysz/status/2087942227137904853

Component Previews Added to Expo UI Documentation#

Component preview functionality has been added to the official Expo UI documentation. Additionally, an example implementation of a Bottom Sheet rendering SwiftUI on iOS and Jetpack Compose on Android from a single component was shared. https://twitter.com/kadikraman/status/2086824032939237678 https://twitter.com/nater02/status/2087879434384683200

One More Thing#

The numbers for Metro 0.87—doubling source map generation speed and cutting memory usage in half—really stood out to me. Bundler performance improvements directly boost day-to-day developer productivity, so this is a huge win!