I'm having the same issue, some fields loading with dark grey background, making them very difficult to read. And some, like a list of recipes in a folder, only loading a single icon instead of recipe names and other usual details. If I select one of those icons, I see the details, but once I move to another recipe, they disappear. Finally, sometimes (not all) BS appears to open in dark mode on its own, though I don't even see an option for that in the "Look and Feel" preference window.