I’m using LibreOffice v.6.4.0.3 in Windows 10 Pro (64 bit).
I’ve noticed that in Data Validity drop-down lists navigation is not possible from one item to the next using the keyboard up or down arrows.
I tried the same thing with LibreOffice v.6.3.3.2 (portable) and the navigation using the arrow keys works fine. If this is a bug where could I report it?