- Probably it's NOT bug, but confusing to see the full date in format TIME/DATE instead of DATE/TIME in the Article List/View window (and elsewhere)
For actual day it is enough to display only the TIME, but in all other cases I suggest the universal YYYY:MM:DD HH:MM format (or option to customization) - Grouping is a nice feature, but group expanding/collapsing in the Article List window often causes unwanted article starring (because arrows for exp/coll. are placed in the starring column).