The Vergecast · Monday, July 13, 2026
Apple has released the public betas for its latest operating system updates, OS 27, for various Apple devices. Key improvements include a significant upgrade to Siri's AI capabilities and user interface changes described as "Liquid Glass." Notably, Apple has also addressed the long-standing issue of corner radiuses on Mac devices.
“Apple's public betas just dropped, which means you can now go test all of the various OS 27s for your many Apple devices.”
“Siri AI is a huge improvement and I like a bunch of the changes to Liquid Glass and all of the other UI stuff, too.”
“And maybe most importantly, they fixed the corner radiuses on the Mac. Our long national nightmare is finally over.”