https://wccftech.com/webkit-code-references-apples-unreleased-ios-15-and-macos-12-updates/

Apple is yet to announce iOS 15 and macOS 12 later this year and we have begun hearing details on the updates, The latest comes in with WebKit referencing Apple's upcoming updates for iPhone and Mac. Moreover, Apple's WWDC event is a few months away where Apple will officially reveal further details on the operating systems. Let's dive in to see some more details on the iOS 15 and macOS 12 references found in the open-source WebKit repository.

As mentioned earlier, Apple's WebKit repository references the forthcoming iOS 15 and macOS 12 updates. If you are unfamiliar, WebKit is maintained and updated by Apple itself that renders webpages and websites on iOS, iPadOS, as well as macOS. Last month, Apple also added a commit with a message that reads. “Update WKWebView getUserMedia delegate to the latest proposal." WebKit code mostly refers to future versions as TBA in order to hide the actual version number. However, 9to5mac confirms that the message denotes Apple's upcoming iOS 15 and macOS 12 updates.