Delivering instant update patches for React Native to 50+ million people
summary
Describes a custom OTA update system Flipkart built for React Native to serve 50+ million users, addressing issues with CodePush-like tools: non-instant cached-bundle loading, large (~700kB) full-bundle downloads, and redundant downloads across multiple team-maintained bundles. Explains techniques to make updates truly instant, reduce bundle size and redundant payloads (e.g., component sharing or differential delivery) and how to implement an optimized update pipeline for multiple apps within an organization.
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chapters (8)
- 0:00Start
- 1:08Issues with existing OTA solutions
- 4:19React Native Packager
- 5:49Making bundle generation predictable
- 6:31Generating the update patch
- 7:21Structure of the update patch
- 7:50Applying the update patch
- 9:15Sharing code across bundles
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