The PS4 (EU) servers will be coming down at 1am (GMT) on 12/15 for a brief update. The estimated downtime is approximately 1.5 hours. The changes include: We've added a second boost slot which can be used to equip any type of boost. If you have boosts of the same type equipped in both slots, their effects will stack. For example, if you have a 7-Day Experience Boost (+50% XP gain) equipped in each slot, you will receive a total XP gain bonus of 100% until they time out. Several changes have been made to improve game loading times. Misc bug fixes.