In a recent update, it appears that the height of certain text boxes in dialogues has become fixed.
See, for example, the alphabetic characters box in project Language Settings:
2020-03-06 08_46_11-Language Settings_ xed548×619 8.76 KB
The width adjusts with the dialogue box, but not the height, making it a bit difficult to work with.
The same seems to be true of the key term Edit Renderings box (look at all that padding!):
2020-03-06 08_55_09-Edit Renderings_ xed855×671 10.3 KB
I’m using 9.0.100.16.