Hello!
I have 2 games in which I display ads via Appodeal (version 3.3.1). In these games, most of the traffic comes from the same countries, and the implementation of advertising is identical. Since November 25, Unity Ads have stopped showing in one of the games - I have thousands of requests and 0 impressions, although everything works fine in the other game. Because of this, I get even less, although I used to have a small income. I didn’t change any settings in Appodeal, of course I have app-ads, and everything worked fine until November 25th.
I have checked everything myself, and have already written several times to Appodeal support on this issue, but they have been silent for several days, and as if they do not want to answer.
That’s why I’m writing here, in case someone has the same situation or someone has encountered something similar and can suggest something.