Checkout the upgrade guide
https://react-native-elements.github.io/react-native-elements/blog/2020/08/10/2.3-upgrade-guide
Features
Refactor Avatar, ListItem, and Card to deprecate a number of props and reduce down the components themselves. #2518 and #2494
BottomSheet refactor #2507 and #2518 @saxenanihal95
onPress added to Image #2506 @sudeepto-dutta
Dark Mode added to ThemeProvider #2512
closeOnlyOnBackdropPress to ToolTip #2413 @anandhakumarpalanisamy
Bug Fixes
withTheme fix for circular props #2517
Image fix for `styled-coomponents #2520