Learning Assignment query working differently in 23A Admin UI?

Summary:

Have you noticed in 23A that the learning assignment search seems to be working differently for Administrators? If I use the first name last name for a learner, I get one learner and all is good. If I use last name comma first name it seems to work differently. In 23A it now seems that the comma is treated as an OR,so I get everyone with that last name and also everyone with the same first name. I thought in 22D I could use the comma and still just get the one person. Oracle told me this is working as