Comment 9 for bug 1651591

I can reproduce the ever rising memory with the attached savegame easily and I have 64bit Mac OS X too, so that should be fine.

Instruments (which comes with XCode) is really nice for this sort of thing: You can start widelands, loading the game, then use Instruments to 'attach' to the running process and inspeat its memory allocation/freeing behavior. I remember starting with this documentation when I first tried this:

https://developer.apple.com/library/content/documentation/Performance/Conceptual/ManagingMemory/Articles/FindingLeaks.html