https://imgur.com/a/ofQypZj

As shown in the image, all the 1 page chapters are marked as read and 2 page chapters are not. Notice also that the "current page" column is blank because all these are unopened comics, I've never read any of them. Even if I manually select chapters and mark them as unread, the Read column still says yes.

Windows version 9.12.0.2304234 but I've noticed this for a long time.