# Safari 12.1 Release Notes Released March 25, 2019 — Version 12.1 (14607.1.40) ## Overview Safari 12.1 ships with iOS 12.2 and macOS 10.14.4. It’s also available for macOS 10.13.6 and 10.12.6. New features of Safari 12.1 include: - **Dark Mode for the Web.** The ability to enable color scheme customizations for websites while in Dark Mode. - **Intelligent Tracking Prevention.** New permission requirements for third-party cookies and new limits for long-term tracking. ### General #### New Features - Updated the push notification prompt for Safari on macOS to require a user gesture. #### Resolved Issues - Updated the behavior of websites saved to the home screen on iOS to pause in the background instead of relaunching each time. ### Authentication and Passwords #### New Features - Updated Password AutoFill to sign in automatically to websites after filling in the credentials. ### Security and Privacy #### New Features - Added warnings displayed to the user when loading insecure pages in both Safari and in . - Added Motion & Orientation settings on iOS to enable the and events. - Removed support for the expired Do Not Track standard to prevent potential use as a fingerprinting variable. - Updated the link behavior for `"target=_blank"` to include `rel="noopener" implicitly`. ### Intelligent Tracking Prevention #### New Features - Removed support for partitioned cookies for domains with cross-site tracking capabilities. The Storage Access API now provides third-party access to cookies. - Improved Intelligent Tracking Prevention to limit long-term tracking based on client-side first-party cookies and to verify partitioned cache entries. ### Web API #### New Features - Added a `supported-color-schemes` meta tag to indicate a website supports `light` and `dark` color schemes. - Added support for the Intersection Observer API, which detects the intersection of visible elements relative to other elements. Elements include the viewport of the top-level document. - Added support for the Web Share API to invoke the native share dialog provided by the system. - Added support for ``. - Added support for the `