Aug 8, 2020
3rd Anniversary/Upcoming Updates Schedule:
August/September Updates (3rd Anniversary): - Some limited-time voice clips added to the voice log - Login Bonus Stamp card level 5 (’Grand’ level) *Details on the 17th of August
October/November Updates (Fall Update): - New “Tour” function - A storage box for cards
December Updates (Winter Update): - New Years Countdown Live special event - And more (currently unannounced) features
According to the in-game notice, these are occuring as well as a 3rd anniversary campaign.