Seeing a huge [degradation in performance](https://github.com/facebook/react-native/commit/7db7f78dc7d2b85843707f75565bcfcb538e8e51#commitcomment-17575647) compared to `AnimatedView`. The performance hit seems to be greater in nested `NavigationTransitioner`. See [facebook/react-native@7db7f78#commitcomment-17602162](https://github.com/facebook/react-native/commit/7db7f78dc7d2b85843707f75565bcfcb538e8e51#commitcomment-17602162), [facebook/react-native@7db7f78#commitcomment-17590033](https://github.com/facebook/react-native/commit/7db7f78dc7d2b85843707f75565bcfcb538e8e51#commitcomment-17590033), [facebook/react-native@7db7f78#commitcomment-17575647](https://github.com/facebook/react-native/commit/7db7f78dc7d2b85843707f75565bcfcb538e8e51#commitcomment-17575647) **Update** --- Also see facebook/react-native#6466, facebook/react-native@65ccdff, [facebook/react-native#8189#issuecomment-226902500](https://github.com/facebook/react-native/issues/8189#issuecomment-226902500) :beer: