MS keep pushing up the new bugs:
On Build 14393.3, if I disabled the notification banner for one app i.e. skype, when the new notification arrives for this app, the status bar becomes blank except the time.
View attachment 128777
Reboot your phone
Does not have to reboot, wiping down from top will make status bar back to normal until next notification arrives. It is just very annoying.
OMG, reboot your phone for getting back normal notifies