If we're talking about fixes, I'm experiencing problems with game movement in some areas with heavy water overlays. The worst is the second Cloakwood area with the spiders. Game just completely stops or freezes when more than one NPC is moving. With one NPC - no problems. It happens only in few areas. Another area which is not that bad but still causes these freezes (or frame rate retardation) is the one next to Candlekeep. It happens in different installations of BGT over original BG2 or GOG BGT. It may have something with wide screen and high resolution which I always play with. I won't go deep into this matter as I detest area graphics and everything connected to that, but you may look into this problem.
Edited by Vlad, 08 August 2015 - 10:56 PM.