You can find the patch notes here.
Expected maintenance duration: 1:00:00 – 14:00:00, March 2, 2023 (UTC +9). The actual duration of maintenance may vary.
The game server will be offline for maintenance and updates on February 22, 2023. During this time, you will not be able to log in to the game. We apologize for any inconvenience caused.
Makima: Coat Off added.
Requirement: SSR Character Makima owned
How to obtain: Complete the challenge in collaboration event BULLET X CHAINSAW
Note: Once the collaboration event ends at 4:59:59 (UTC+9) on March 15, 2023, Makima’s Costume [Coat Off] cannot be acquired.
Special Beginner Support added in Cash Shop.
New Commander SSR Selection Pack
Contents：Free Gems*1200，New Commander Nikke Selection Box*1，T7 Equipment Selection Box*1 Using the selection box, select a Nikke of your choice from Volume, Yuni, Admi, and Brid.
New Commander Call-Up Pack
Contents： Recruit Voucher*10
Adjusted the difficulty of certain stages in Main Chapter 1 and 2.