You could play Survival Mode! … Or maybe not.
Another day of server maintenance ahead, as has become a regular feature of Street Fighter V. Online functions will not be available tomorrow between 11:00 AM and 3:00 PM PDT.
We will perform server maintenance from 11am to 3pm on 6/13 PDT. Thank you for your patience and support.
— SFV Server (@SFVServer) June 12, 2017
No specific reason for this shutdown is known yet — if Capcom is adding anything, it’s a surprise for now. New incoming content may yet be revealed at E3, much like the Marvel vs. Capcom: Infinite Story Mode demo.
Source: SFV Server (Twitter)