Samsung Galaxy S8 and S8 Plus now getting Android Oreo Beta 4 update

Now Samsung has started rolling out Oreo Beta 4 update to eligible Samsung Galaxy S8 and Samsung Galaxy S8 Plus devices. The update is sized at at around 850MB and has a  software version named ZQL8 for both Samsung devices. Below is the screenshot of update and its description of the changelog. The update includes bug fixes and Bluetooth stability.It also includes the security patch.