Instagram confirms that a bug this morning mistakenly rolled out a massive change to its feed that replaced the traditional scrolling with horizontal tap-to-advance, like with Stories. In October, TechCrunch reported Instagram was testing tap-to-advance for browsing through Explore posts. But many users woke up to a shock this morning when their familiar vertical swipe stopped advancing the main feed. Many users immediately complained that the gesture felt awkward and annoying.
