Steps to reproduce:

1) Open Unity Hub and create a new 3d Template project
2) Go to Player Settings and uncheck the Auto Graphics API for Mac
3) Try to select one of the Graphics API in the list
Note1: Items are not marked as selected (check attached images "expected.png" and "actul.png")
Note2: You can still remove or add any item in the list, but they just not marked as selected.

Reproduced with:
2091.3.0a10

Not reproduced wiht:
2019.3.0a7, 2019.3.0a9

Regression since:
2019.3.0a10