React Native v0.89.0-rc.1 Release Notes & Developer Guide

React Native 0.89.0-rc.1 enhances React Native DevTools with WebSocket event inspection in the Network panel and updates core dependencies, bumping Hermes to 260318099.0.7 and Metro to 0.88.0. The release also includes fixes for Metro's transform cache portability and an Android crash related to view transitions during reparenting.

Highlights

• React Native DevTools Network panel now supports inspecting WebSocket events
• Hermes engine bumped to version 260318099.0.7
• Metro bundler updated to version 0.88.0
• Metro transform cache now shareable across checkouts via relative asyncRequireModulePath
• Fixed WebSocket connection initiator display for framework code like Fast Refresh
• Android fix for addViewAt crash during view transitions with reparented views