If you haven't been able to ship your iOS/macOS 26 update yet and have been feeling bad about it, just remember:
Apple still hasn't shipped iWork with Liquid Glass, and Apple also opted all its pro apps out of Liquid Glass.
Final Cut Pro on iPad still doesn't support the background video exporting feature that was added to iPadOS 26 specifically to enable it.
Swift Playground doesn't even support the iOS 26 SDK, so you can't build Liquid Glass apps with it even if you wanted to