What’s New in Re.Pack 5.1: Live Overview @CallstackEngineers
What’s New in Re.Pack 5.1: Live Overview  @CallstackEngineers
Uploaded May 2025 | Updated September 2026, 3 hours ago
Re.Pack just got a major update—and we’re breaking it down live with the engineer behind it, Jakub Romańczyk.

Version 5.1 introduces runtime hooks for script loading customization, support for prefetching remote modules with Module Federation 2, and experimental persistent cache that speeds up hot startups by over 85%. It also ensures full compatibility with React Native 0.79 and improves module resolution with support for Package Exports.

In this livestream, Callstack’s CTO Mike Grabowski https://x.com/grabbou and Re.Pack maintainer Jakub Romańczyk https://x.com/_jbroma walk you through these upgrades with real examples and use cases—from customizing OTA workflows to debugging faster with persistent caching and tighter module control.

You’ll also get a look at the evolving Re.Pack and mobile Module Federation ecosystem, including new community tools and upcoming improvements.

Watch now to learn how to make the most of Re.Pack 5.1—whether you’re tuning in live or catching the recording, you’ll walk away with practical insights to improve the product you’re working on.

Planning a super app with React Native? Let’s chat! ✉️ bit.ly/3S493R7
Follow us on X for more dev content 🐦 https://x.com/callstackio

Read about Re.Pack 5.1 on our blog 📖 bit.ly/4mcmWu9
Learn more about Re.Pack ⚛️ bit.ly/4jYtJ9q

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What’s New in Re.Pack 5.1: Live Overview

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