There’s been a bug in action centre for a while where sometimes when you opened it, it would start to pop in from the left side of the screen, before suddenly appearing on the right, where it’s supposed to be.
Today’s patch fixed that. Yay!
Except today’s patch also broke the transparency effect when opening action centre: –
Why do they keep putting out sloppy code like this? How can they look at this and think “yeah, that’ll do”, or do they somehow not notice these things?