it is possible (and should not be possible) to scale the top toolbar group to less then a minimum size.
pop-ups / dialogues
regarding pop-up / dialog windows - it looks like some of them can be scaled, some have a fixed size.
for _blendCrv it would be great if the (Flip 1 - Flip 2) buttons would be in the same Column as the check-boxes for Continuity - not left aligned.
Apparently, that’s the container that is being resized, not the toolbar that it contains. This is on the list as RH-74842 min height for toolbar tabs
-wim