### Target Branch 0.81 ### Link to commit or PR to be picked https://github.com/facebook/react-native/pull/53567 ### Description This should alleviate some of the perf issue users are seeing on Android + Reanimated on NewArch 0.81 (and Expo SDK 54). Those feature flags have been experimented on `main` and are rolled out in 0.82. I'm adding them as experimetnal for 0.81