Latest stable update causes VLC icons to go huge, on 3.84K * 2.16k monitor.
Dodgy update bro, dodgy update! A quick googoyle brings up this: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=884956 which leads to this: QT_AUTO_SCREEN_SCALE_FACTOR=0 vlc as the interim solution... Good luck,