Does this game suffer from memory leaking?

When i begin play everything work as expected, fluid and responsive. But after a while the game slow down tremendously, to the point it become unplayable, more then 8 seconds to return controlling the ship after closing the starmap, nearly half minute complete freeze after changing sectors, etc.

Is this problem common? How long till a possible fix?

I have had a similar thing, I would go to the developers forums and report the issue there, as they have to make the fix and then give it to GOG.

Go here:
http://www.starpointgemini.com/forum/forumdisplay.php?fid=10

and then describe it, its been reported on a few other forums but the more the merrier.

Hey, can you please send game's log.txt (it's in the game's root folder) to oliver@starpointgemini.com (write something like memory leak in that mail). The game's log can help us track problems :D
We're working on an update to fix memory leaks, it is in testing phase now.

And please, do that immediately after crash, because if you start a new game it clears the log to save your hard disk space, if I'm not mistaken.