Priest and paladin spells have been reorganized. Leon Marrick's rod and wand stacking has been included. Eric Bock's scroll patch has been included. Stores have been tweaked a bit. Chests have been tweaked a bit.
Paladins get a melee bonus vs. undead and demons.
The random number generator has been replaced with a different one. Mana calculations have been tweaked a bit. Rogues are slightly better at magic. Teleport effects have been tweaked a bit. Meteor Swarm has been fixed.