If I change the "App Font", this also works for me. However, it seems that you misunderstand me. I talking about the DPI setting that does not change Gwibber messages font size (the messages that are received) but only the Gwibber menu font size.
If I change the "App Font", this also works for me. However, it seems that you misunderstand me. I talking about the DPI setting that does not change Gwibber messages font size (the messages that are received) but only the Gwibber menu font size.