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WebKit Features in Safari 18.0
Safari 18.0 is here.
Along with iOS 18, iPadOS 18, macOS Sequoia and visionOS 2, today is the day another 53 web platform features, as well as 25 deprecations and 209 resolved issues land in WebKit, the rendering engine driving Safari. WebKit for Safari 18.0 adds support for secure HTTPS for all images, video, and audio by upgrading passive subresource requests in mixed content settings. This change to WebKit will only affect the rare web content loaded in older third-party apps that have JavaScript code which relies on the existence of AppCache related interfaces.
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