Sebastian, are you using an external monitor connected to HDMI when this problem occurs?
I've just seen Andrea's comment above in number 3 and noticed that I have the same setup. Laptop with an external HDMI display plugged in.
I can now replicate the problem consistently. When I plug in the external HDMI monitor, the dock on my laptop overlaps the window. When I unplug the HDMI monitor the dock on my laptop goes back to normal.
So I believe this problem is related to using a HDMI external monitor. The external monitor doesn't have a dock and so it goes full screen which is correct. However, it also puts the laptop monitor full screen sometimes, and therefore the dock overlaps the window.
Sebastian, are you using an external monitor connected to HDMI when this problem occurs?
I've just seen Andrea's comment above in number 3 and noticed that I have the same setup. Laptop with an external HDMI display plugged in.
I can now replicate the problem consistently. When I plug in the external HDMI monitor, the dock on my laptop overlaps the window. When I unplug the HDMI monitor the dock on my laptop goes back to normal.
So I believe this problem is related to using a HDMI external monitor. The external monitor doesn't have a dock and so it goes full screen which is correct. However, it also puts the laptop monitor full screen sometimes, and therefore the dock overlaps the window.