WebKit Features in Safari 18.4
Briefly

Safari 18.4 has launched with 84 new features, including a revamped mechanism for Web Push notifications, advanced CSS capabilities, enhanced support for media formats, new JavaScript features, and substantial updates to the Web Extension API. The release also emphasizes improving existing web platform features, resolving 184 issues, and deprecating 13 older technologies to enhance compatibility. Users previously encountering issues in WebKit are encouraged to retest with this version and provide feedback to improve ongoing development and user experience.
Safari 18.4 introduces 84 new features like a new Web Push notifications mechanism, modern CSS functions, improved media formats, and new JavaScript capabilities.
Improving the quality of existing web features was a major focus this winter, culminating in 184 resolved issues and 13 deprecated technologies for enhanced compatibility.
If you've faced support issues with WebKit or Safari, retest with the updated Safari 18.4, and help us improve through feedback on bugs.webkit.org.
Declarative Web Push is crucial for user engagement and modern web interaction, evolving from Safari's original push notification implementation in 2013.
Read at WebKit
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