package: x2goserver version: 4.1.0.0 Good evening. I have a server with Ubuntu 16.4 where installed your x2go server. Few day aga i update x2go server, this update led to the problem with fullscreen window. When window resixed in fullscreen mode it become twitch. I recorded video with this problem. I install clean ubuntu and install x2go server, this problem on this server too. i apologize for my english please help me.