Now with a vertical scroll, you can go from one user’s Story to another’s, while a horizontal swipe will toggle between different Stories from the same user.
Here’s a look at how Stories will work.
🚨 Instagram is testing a vertical swipe stories feed in Turkey
— Matt Navarra (@MattNavarra) January 12, 2022
It’s not clear when the new method of Stories’ scrolling will arrive for you, and even if it’s certainly coming. At this point Instragram might just be doing A/B testing and decide against rolling the feature altogether.