Android Wear 2.9 update for the phone app to roll out within days
In addition, a dot will be found by default at the bottom of a watch face to indicate an unread notification. Before the Android Wear 2.9 update, this was a feature that you had to enable to turn on. The dot will be white by default, although developers can change the color if white doesn't mesh well with a particular watch face. We told you all about some of these new notification features for Android Wear last month, when Google added them to Android Wear SDK. Version 2.2.0.
Besides the notification dot, Android Wear powered watches can show you how many unread notifications you have on your smartwatch. This number can be seen on the system tray, or placed at a unique location on the watch face.