White Border around DR in Fullscreen -

Win 10
RTX 3080 12gb
newest version of studio driver (576.02)
Beta 2
Ultrawide screen
When I go into Fullscreen (the button in the top right corner) i get a white border that goes around Davinci.
Attached a screenshot what it looks like
RTX 3080 12gb
newest version of studio driver (576.02)
Beta 2
Ultrawide screen
When I go into Fullscreen (the button in the top right corner) i get a white border that goes around Davinci.
Attached a screenshot what it looks like