Indeed, Liquid Glass does bring somewhat of a major change to iOS 26, or what we would have called iOS 18 (Apple is switching iOS numbers to years, and iOS 26 will release in the fall). I've been using the developer beta of iOS 26 for some weeks now,

For users who prioritize a smooth and dependable experience, iOS 18.6 RC stands out as a strong option. This update is designed to enhance performance across a wide range of devices, including older models like the iPhone XR.

At WWDC 2025, Apple revealed a major visual shake-up for iOS (not to mention the rest of the company’s operating systems). This is the biggest change, aesthetically, since the shift away from the stitching,