I've had a few problems with the latest version.
The screen size is the main thing.
When I start it from the shortcut rather than from a video, it has a huge black screen rather than just opening shrunk and to the top left corner where i kept the old version. that way it didn't take up the whole screen when there wasn't even anything playing as that would be pointless.
Its also quite difficult to get it back after i open a 720p video because the corner of the player is off the screen so it's hard to drag it.
would there be a way for you to make it so that it will only play to fit the screen. Don't let the window automatically get so big that it goes off the edges?