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Shopify's FlashList v2 Rebuilds React Native List Performance for New Architecture

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Shopify has released FlashList v2, a ground-up rebuild of its popular React Native list component designed exclusively for the new React Native architecture. The update addresses longstanding performance issues with the default FlatList component, which can cause blank cells, memory spikes, and frame drops on real-world devices with large datasets. FlashList v2 introduces automatic item sizing, eliminating the need for manual size estimates, and maintains visible content position by default — a key fix for chat and feed interfaces. It also supports multiple recycling pools via getItemType, improving performance for lists that mix different content types such as cards, ads, and headers. The component retains the FlatList API shape for easier migration, but requires apps to be running the new React Native architecture, meaning legacy bridge users must upgrade before adopting v2.

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