I found something interesting.
I have a game that I follow: 親睦戦
I locate it through observe games page, it’s usually somewhere close to the top. But not anymore, it’s gone.
And the total number of correspondence games - 25k is a bit low, I think. I don’t know for sure though.
So I thought maybe if I apply “friends games only” filter and see if maybe some of the friends games are missing. But the filter works weird, I think it’s broken. Maybe someone else can make an experiment.
I think it’s clear that the problem is related to this:
This is the cost of innovation.