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DEADLINE — Four days remain until Google Play requires Android 16 (API level 36). From August 31 it applies to new apps and to updates of existing ones alikeRULES — The submission rule and the visibility rule are separate. An app you have stopped updating still disappears for new users on newer devices if it targets below API 35EXTENSION — An extension keeps you shipping to all users until November 1, but the form lives in Play Console and has to be filed before the deadline passesEXPO — Expo SDK 57 moves React Native from 0.85 to 0.86 while React stays at 19.2, and 0.86 is intended to land without breaking changesHERMES — 57.0.9 updates React Native to 0.86.2 and clears the Hermes V1 memory regression from SDK 56, which shows up in apps importing reanimated or workletsPREBUILD — expo prebuild now clears and regenerates the native android and ios directories by default, so hand-edited native changes vanish unless you audit for them firstDEADLINE — Four days remain until Google Play requires Android 16 (API level 36). From August 31 it applies to new apps and to updates of existing ones alikeRULES — The submission rule and the visibility rule are separate. An app you have stopped updating still disappears for new users on newer devices if it targets below API 35EXTENSION — An extension keeps you shipping to all users until November 1, but the form lives in Play Console and has to be filed before the deadline passesEXPO — Expo SDK 57 moves React Native from 0.85 to 0.86 while React stays at 19.2, and 0.86 is intended to land without breaking changesHERMES — 57.0.9 updates React Native to 0.86.2 and clears the Hermes V1 memory regression from SDK 56, which shows up in apps importing reanimated or workletsPREBUILD — expo prebuild now clears and regenerates the native android and ios directories by default, so hand-edited native changes vanish unless you audit for them first
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react-native-worklets

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Hermes1React Native Reanimated1Expo SDK 571Memory1
Rork Dev/2026-08-27Intermediate

Count your worklets before you start deleting your own code

Hermes V1 attaches 512KB of debug metadata to every worklet, so simply importing Reanimated can add tens of megabytes. Here are the three numbers to count before blaming your own code, and how to choose between the four available fixes.