With the release of Safari 15 for macOS Monterey, iPadOS 15, iOS 15, and watchOS, as well as macOS Big Sur and macOS Catalina, WebKit brings significant advancements in privacy and security, improved interoperability, and a host of new features for web developers. Take a look.
We discussed a few of these in-depth on JS Party #195, but at the time I was referencing the beta features announcement and it was
404ing during the show. This is a much better resource.