The current approach that renders a button background and the checkmarks.svg element on top of the button.svg background makes it challenging to implement the Breeze checkbox design in the plasma theme (the checkbox background is different from the button background). One possible backward compatible solution might be to define new elements in checkmarks.svg that allow the theme to specify the full visuals for the checkbox in one place. Reproducible: Always
still valid? even tough the button graphics is still used, it looks pretty near in the latest version
marking as "close enough"