The first developer preview for Android O has been announced and one of the notable changes with this upcoming OS version is that it offers battery saving capabilities. Android O's "background limits" will try to reduce the impact of apps on your battery usage.
Another new feature is picture-in-picture, which allows someone to continue watching a video while carrying out another task.
Android O's notifications will also be improved. Users can snooze notifications until later as well as alter the background color for each notification type.
If you're interested in using this early version of the software, which is truly meant for developers, you can find it here.