The new update brings with it a whole load of new features including the PiP mode, notification channels, notification snoozing, and background app optimization to name few. Samsung will soon roll out the Oreo update for S7 starting April, while it may take a few more months for the update to reach all the regional and carrier variants. This update which came out a few months ago has been approved for official release in Samsung devices such as the S7 Edge, for both the Snapdragon and Exynos variants.
The Android 8 Oreo update is out and running with its feature-rich enhancements.