Apple today released a new update for Safari Technology Preview , the experimental browser Apple first introduced in March 2016. Apple designed the Safari Technology Preview to test features that may be introduced into future release versions of Safari. Safari Technology Preview 192 includes fixes and updates for Authentication, CSS, Editing, JavaScript, Media, Rendering, Web API, and Web Extensions. The current Safari Technology Preview release is compatible with machines running macOS Ventura and macOS Sonoma , the latest version of macOS that Apple released in September 2023. The Safari Technology Preview update is available through the Software Update mechanism in System Preferences or System Settings to anyone who has downloaded the browser . Full release notes for the update are available on the Safari Technology Preview website . Apple's aim with Safari Technology Preview is to gather feedback from developers and users on its browser development process.