Instagram's experimental profile grid has rectangular images instead of squares

Instagram is testing a new profile grid layout that features rectangular images instead of the squares you're used to. In an Instagram story, Adam Mosseri has revealed that the app is testing a vertical grid for users' profiles. He explained that the original square grid was designed back in the day when the app only allowed users to upload square photos. Those days are long gone, and the vast majority of Instagram uploads are apparently vertical, specifically 4 x 3 images and 9 x 16 videos. He ...