In an upcoming software update, OnePlus is going to include the ability to take longer screenshots. (pocket-lint.com)
You can now quickly make a note simply by taking the S - Pen out of its slot, even when the display is off, crop areas of screenshots and take notes on it, and also capture long screenshots by capturing long passages and stitching them together. (androidauthority.com)
Then there is added functionality like Long Screenshots, Notification Control, Lite Mode, Child Mode, Guest Mode, One - Handed Mode, App Lock, Scheduled Power ON / OFF, Scheduled Battery Profiles, Scheduled Notification Profiles, App Firewall, Data Usage Monitor with individual graphs for both SIMs as well as WiFi, Autostart Manager, and still much more. (xda-developers.com)