This isn't a major issue, I came here to report the issue with the post list refreshing and adding posts to the top/middle of the feed but saw someone had already reported it. Another issue I've found though that I don't think is intended behaviour is that if you navigate to a new community from the main feed, and open an image and then swipe to dismiss it, you return to the main feed rather than to the community you were just browsing. This also happens when opening images on user pages or embedded images in comment threads. This doesn't occur when hitting the back button, that simply returns you to wherever you were when you opened the image, it only occurs with swipe.

Love this app and all the work you do, thank you for that!