It's finally time for WWDC 2025, Apple's biggest developer conference of the year. It's also a chance for Apple to notch a win. There's considerable pressure on the company to build on its promises and to make amends to developers as it lags behind in AI and faces continued legal challenges over its App Store.

At the heart of iOS 26 is Liquid Glass, a new visual design concept that gives the user interface a sleek, glossy, and semi-transparent look. Apple describes it as a material that both reflects and refracts its surroundings, producing a dynamic effect that adapts as users move through the operating system.