in my opinion, the changes in the server jRO aren't interesting, need not see them every week, perhaps for new hats, but then would have to put the patch on all official servers.
The renewal of jRO serves for other official servers (nor rAthena emulator) Both drops/stats /level/HP/ mobs either, even some official quest have modifications (Enchant Temporal Boots, Instance Horror Toy Factory, etc)