Saving and configuring the "advanced settings" for the "range_slider" and the "range_input_slider" display types was not possible in php 8.x.
Filters set as "range_slider" and "range_input_slider" did not return results in php 8.x.
Filters loaded asynchronously (i.e. "Asynchronous Loading" was enabled) were ignoring the "CONTROL FILTER DISPLAY" settings.
Notices and warnings under php 8.x.