WebKit for SwiftUI: Observations

Hi, thanks for trying out the new API! The Observations API from the Observable framework is not currently available in Beta 1.

Thank you for confirming. Am I correct in understanding this API is needed for the BackForwardList also? Or how is that used?

This is what I've done so far:

Button {
    page.load(page.backForwardList.backList.last!)
} label: {
     Image(systemName: "chevron.backward")
}
.disabled(page.backForwardList.backList.isEmpty)

The release notes for Xcode 26 Beta 3 says that Observations not being available is fixed but I still get the same compiler error.

In Beta 4 I get different errors. How are we supposed to use this thing?