Once the PHP vulnerability got exposed in Octorber, many companies across the world had to scramble to patch things and update their security measures, but it seems that in Japan, where adoption of PHP is particularly high, the things aren't going so smooth.
It has been non-stop sequence of things tumbling down one after another, and there's no real estimate for anyone to work with. You might have heard of Street Fighter V being takes off the stores until Capcom fixes things, but something similar is happening to Cygames' Granblue Fantasy Versus.
The original version had its online features taken down on October 27th and it's still not fixed. It's gotten to a point where the problem is affecting the competitive scene.

