Live Dev Session: Reanimated 4 deep-dive, Worklets and Screens @CallstackEngineers
Live Dev Session: Reanimated 4 deep-dive, Worklets and Screens  @CallstackEngineers
Uploaded July 2025 | Updated September 2026, 1 hour ago
This episode of Live Dev Session covers major updates you won’t want to miss.

We explore:
- How Reanimated 4 simplifies animations using a CSS-like syntax and reduces the need for boilerplate useAnimatedStyle code.
- Why the newly separated Worklets library enables off-thread execution, freeing up the main JS thread for smoother gestures and transitions.
- Enhancements in React Native Screens, including native bottom tabs and split view on iPadOS.
- What’s new in Keyboard Controller 1.8.0, and how it makes customizing views around the keyboard more robust.
- A new way to distribute signed iOS builds; Fastlane-style, no Ruby required.

Watch the full replay for code-level insights and practical implementation tips.

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Live Dev Session: Reanimated 4 deep-dive, Worklets and Screens

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