Instagram is now testing a “new way to move through posts” in the mobile app, This will allow all the users to tap and see the next post conflicting to scroll vertically.
Now after this change you won’t have to scroll up or down through the feed, you can tap on any side right or left of the screen to backward or forward posts.
Instagram is also testing a new navigation style in the explore tab of the app. Though till now there is no confirmation of this new feature coming to the Instagram app.
We are always trusting ways to improve the experience on Instagram and bring you closer to people and things you love. – Instagram Spokesperson
Features included in the testing part is a pop-up launching and tap through the Instagram posts just like you go through stories.