The font size for MENU & ROUND was changed between 3.3.3 & 3.3.4 only for the basic 5e theme (that I've seen). Not sure if it is related to the CT targeting bug noted earlier, but thought I'd share.

Basic 5e theme on 3.3.3:

3.3.3.png

Basic 5e theme on 3.3.4:

3.3.4.png