Safari 17 Beta: A Game Changer for PWAs on MacOS

Safari 17 Beta, released June 5, 2023, brings notable improvements for Progressive Web Apps (PWAs) on macOS. Key new WebKit features include Web Share API Level 2 for file sharing, expanded Web App Manifest property support (categories, description, screenshots), improved Web App Banner behavior, better Service Worker performance with CacheStorage and Background Sync support, and silent push notifications via the Web Push API. The post also outlines general PWA advantages for developers such as lower development costs, cross-device compatibility, and seamless user experiences.