Here is the complete change list for the v1.39 beta:
+ Training Times for soldiers reduced based on population
+ Reduced reliance on critical sections to improve performance, decrease chances for a race condition
+ Weapon and defense rolls are now bell curved (rather than a single strike attempt, many strike attempts are simulated for more normalized damage)
+ AI bonuses reduced. At normal difficulty the AI gets the same stuff as player.
+ ZOC reduced
+ Quests no longer spawn at start of the game
+ Level Up points increased from 3 to 5
+ Capital prestige bonus increased to 1.0
+ Sovereign now provides 1.0 research per turn
+ Spell research cost reduced from 100 to 50 as its base
+ Prestige penalty eliminated
+ Low level improvement build time reduced from 5 to 1 turns
+ The Constitution stat provides more HP than previously
+ Constitution on base units increased from 4 to 5
+ New debugging calls inserted (see debug.err)
+ AI much more prone to cast spells in tactical battle
+ Notable locations give more interesting stuff
+ AI city management code optimized for performance
+ City management placed in main thread for better multicore stability
+ Path finding depth increased to allow for more reliable path finding
+ Monsters less likely to attack cities, especially early game
+ AI sovereign bug fixed, won't just wander to his death (thanks Cari!)
+ Ranged weapon damage nerfed (crude bows from 4 to 3, cedar from 12 to 8 and long bows from 15 to 12)
