Check the Central and Rich Quarter spell schools for some of them. Monster hit locations. No longer will you hit the anaconda or a slime in the leg. Slight modifications to the DP costs for some schools of magic for some non-magical types. Giant Rats have become a bit stronger.
Imps have slightly more hit points.
Suits of armor that had errors in their protection values of one of the four pieces have been fixed. Most spears are now slightly slower on recovery. The runes on the back of Big Rocs has been fixed. Some mapping routines have changed slightly. Quest rewards can no longer be gained multiple times by exiting the game during encounters.