gdevelop by itself is not updated, …Try to do it by ppa but it does not work
Which version do you have installed?, from Launchpad the latest version available in Ubuntu 16.04 is 4.0.92: https://launchpad.net/~florian-rival/+archive/ubuntu/gdevelop
Where can I see which version I have? … what I know is, that the version of gdevelop in windows has an anchor extension and mine does not
tanks !!