The new update for User Reviews Addon for GD Rating System Pro, version 2.2 brings support for Multi Slider Rating and Multi Slider Review methods and includes few more updates and fixes.
There is not much to say here if you have Multi Ratings Addon, updated to version 2.0, you will see the Multi Slider Rating/Review methods available to select. If you find any issues with the slider support, please, report them through the support forums.
User Reviews Addon 2.2 requires GD Rating System Pro 3.1 or newer, and if you need multi ratings, Multi Ratings Addon 2.0 or newer, it will not work with older versions. If you find any issues, please let me know.