Web AppBuilder for ArcGIS has some great possibilities to filter data with nested sets of filters. However, when a user would like to facilitate the selection of multiple items from the same field filled with categorical data, one could end up nesting many filters connected with an OR operator.
It would be nice to have a multi select filter type that allow a single filter configuration and that allows the selection of multiple items from the same field. For instance a field that has a domain defined for it.
Something like for instance in this jQuery example: