Find much more in the Official Website: https://bit.ly/2AoZx6M
Important info about version 2.1 : ⚠ In version 2.1 the ALIASING (random waves while moving) of the surface is completely removed, and the Multisampling parameters and number of interactors per cell have also been removed. The look is much better, check it out in this DevLog video: https://www.youtube.com/watch?v=MSm3bNOtnh4
Also, the creation menu added folders : Velocity Based (Simple) and Occupancy Based (Advanced). The Occupancy Based folder is the one that should be used for this tutorial and some settings are set automatically.