Ubivis: if you go to your Game List, there is a small red sign stating "updated" :)
btw: it is Space Rangers, which got the Reboot Expansion :)
DeadlyRamon: Thanks, I noticed it now (for Space Rangers), though the sign is very small!
The sign is very small and not there if you are using the list view. (like I use as a default) Why cant a click on the updated message sign take you to the game that has the update? I pride myself on having quite a bunch of games of gog and this feature is not helpful when you own more than one screen of games.
Suggestions for GOG: Make a red glow aroud the game box or use a red ribbon (like the green free ribbon on the free games).