Changes:

-Legendary Tree of Fortune has been removed from all maps
-Mystic Lock sold at Groceror NPC has been reduced to 200 gold which can be used to bind inventory to increase account security
-Party search feature has been added to allow new players to form a party easily
-Temporary bag feature(Alt+D) has been added to store special items gained from pet, quest or ingame item mall
-Imposing a fee of 1000 gold (accumulative) for usage of World and Trade channel. However, the flood control has been removed.

More Afterlife expansion info can be found here.