Including iOS 11.2.5 for iPhone, iPad, iPod Touch, Apple also releases an update of watchOS 4.2.2 for Apple Watch.
Though there is no significant change in feature, this update aims to fix previous bug and boost performance. Some testers has also claimed of getting faster performance while playing through built in Workout app on watchOS 4.
Users can install the new watchOS 4.2.2 by launching Watch app on iOS device – General – Software Update. Remember that your Apple Watch needs to be connected to charge in order to update the new watchOS 4.2.2 on Apple Watch.