The change log includes improved notifications and Quick settings, multi-window feature, and improvements related to AOD. The update also brings along features like Dual Messenger and Samsung Pass.
As usual it’s an over-the-air update will roll out gradually so be patient. Meanwhile you can head over to the Settings of menu of your device and can manually check for the update.
The update weighs in at around 1.4GB in size, so before downloading it make sure your device is charged up to 80 percent and is connected to a decent internet connection.