WWDC26 brought a substantial round of updates to SwiftUI — not a ground-up redesign, but a lot of small limitations removed, new APIs that were clearly driven by real-world pain points, and meaningful performance improvements. This post walks through every major announcement so you know exactly what's available and when to reach for it.
Look and Feel: Liquid Glass and the 2027 Releases
The most immediately visible change costs you zero code. Apps built with SwiftUI automatically pick up the updated Liquid Glass appearance on the 2027 OS releases. The glass tint responds to the new system-level Liquid Glass slider without any changes on your part.
On iPad, windows now dim when inactive, reinforcing which window has focus — again, automatic. On Mac, custom interactive Liquid Glass elements respond more fluidly to the mouse pointer.
There are a few opt-in refinements available when you want tighter control:
