In the mean time, we went on a screenshot frenzy to document everything that has been changed from the old, Lollipop-based interface, to the new one. There are a couple of major updates within stock Samsung apps, and a lot of small cosmetic touch-ups, but nothing too insane.
Always On Display” feature of the Galaxy S7, and did not get the Game Launcher app for enhanced gaming experience. Its briefing panel is still the Flipboard one, while on the S7 it's a new”upday” panel. All else is pretty much the same across both smartphones.
Galaxy S6 owners may notice that Samsung's Messages app has received a pretty convenient new feature. When sharing photos, video, or any other media, you will no longer be switched out of the app. Instead, a small window will open in place of your virtual keyboard and it will act as a gallery or viewfinder – much like Facebook's Messenger. Additionally, shared video clips will now be playable directly inside the Messages app.
The Pro Mode of the camera has also finally been updated to feature Shutter Speed controls as well as a White Balance slider. These two were absent in the Galaxy S6 prior to the Android 6 Marshmallow update, which made the Pro Mode feel much less... pro.
Other updates feature a plethora of under-the-hood improvements for the stock Internet browser, as well as a slight update to visuals, mostly flattening the look of the interface further. Check out the comparison gallery below for more details.