I have seen this problem in earlier versions of ArcGIS Pro and it continues now in 2.8.2.
See https://community.esri.com/t5/addressing-questions/arcgis-pro-address-rematch-problem/m-p/790102#M141 for one of my posts. There have been others, but cannot get the forum search functionality to cooperate.
What happens when rematching is when I edit the single line input, it will return me to the first unmatched entry. This seems to happen now only when a selected set is being rematched. Here is a gif of rematching when there is no selected set:
This to me is expected behavior; make an edit, get a match, move on the the next unmatched records. In the above gif, you'll notice I <Null> values as Single Line Input. In fact, of the
