In a game (that I started in 5.2 - not sure if this would make any diff.) when I click to open the diplomacy screen, shortly afterwards the game crashes out on me. I can provide the savegame and any necessary crash logs if required.
I know this post is old -but I just want to throw in my feedback that I am encountering similar issues with the UI in 3d surround @ 5760x1080 and 5840x1080 resolution as of beta 4. The planetary window appears blacked out and out of scale. I understand this is probably low on the list of priorities as not many folk use odd resolutions like that... Following up with that issue, I notice when I have the game run in a window @ 1920x1080 (with my 3d surround desktop enabled),