Game Develop 3.2.69 is available:
Fixed various bugs (Window that should not be displayed, glitches in events editor, not detected keyboard input) for Ubuntu.
Fixed recompilation not triggered for some external events
Will the compiled assembly 3.2.69 under Ubuntu 13.10 x64? Download link there is an older version 2.3.68
Sorry, forgot to update the link, version 3.2.69 for Ubuntu can now be downloaded from the website 
Thank you very much! Good luck in future versions