talking about bg, i have to do /show_window ArenaChampions.BGScore everytime i entere a match to see the countdown before a match starts. i was told that it is automatically displayed in the default ui
It's a general game bug. The only thing that seems to "resolve" the issue is not moving that BGScore window from it's initial location. But that's not resolution at all.
Have yet to hear from a game dev about it being fixed or not. For me it shows sometimes, and most of the time it's hidden pre-match.