musescore 3 single page view need play on top fuction

single page view need playing bar on top fuction
keeping measure of the playing bar on the top will help player playing music without a helper
keeping it on the top will be a good solution due to sometimes the lyric is out of screen but the measure is in the screen. this way will prevent the situation user can not read the lyric.

also the preferences and settings windows is not fit the window
if the dpi set large, the window will out of screen
many option can't set and the "ok" button is out of screen

by the way
the musescore 3 plugin develop document is out?