These two updates are the best thing to happen to filters since you could make yourself a cat on virtual meetings!  

Now you can filter or sort by metric value on grouping dimensions!  Just set your grouping dimension to the most granular level of your table or metric and you can filter or sort by metric value. 

You can also filter by dimension properties! Simply select the dimension you wish to filter, and choose Property to be able to choose from any property defined in that list.