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Safari 13.1 Release Notes

Released March 24, 2020 — Version 13.1 (15609.1.20)

Overview

Safari 13.1 ships with iOS 13.4 and macOS 10.15.4. It’s also available for macOS 10.14.6 and 10.13.6.

General

New Features

  • Made significant improvements to the Web Platform Tests pass rate in several components, including CSS, Service Workers, SVG, and Fetch.

  • Added Close Tabs to the Right.

  • Added Duplicate Tab.

  • Added support for bundled content blockers in Mac apps built with Mac Catalyst.

  • Added support for importing passwords from Google Chrome.

Performance

New Features

  • Improved the performance speed of IndexedDB operations.

  • Improved back-forward responsiveness.

  • Improved the speed of WebAssembly and JavaScript.

  • Improved the speed of JavaScript Promises.

  • Made media query updates more efficient.

  • Reduced the startup time of Service Workers.

Privacy

New Features

  • Prevented several potential approaches to circumventing Intelligent Tracking Prevention.

  • Added cookie blocking for all cross-site resources by default.

Security

New Features

  • Added the “Not Secure” warning for sites using TLS 1.1 and 1.0.

  • Fixed many bugs identified by fuzz testing.

JavaScript

New Features

  • Added support for the nullish coalescing operator ??.

  • Added support for the String.prototype.replaceAll method.

Web API

New Features

  • Added support for Web Animations.

  • Added support for the Async Clipboard API.

  • Added support for GenericCue.

  • Added support for Resize Observer.

  • Added support for HDR video using the Media Capabilities API.

  • Added support for the Remote Playback API.

  • Added support for the Picture-in-Picture API.

WebRTC

New Features

  • Added support for DTMF codec and proxies.

HTML

New Features

  • Added support for the enterkeyhint attribute.

Web Components

New Features

  • Added support for CSS Shadow Parts.

CSS

New Features

  • Added support for font keywords: ui-serif, ui-sans-serif, ui-monospace, ui-rounded.

  • Added support for the line-break: anywhere; property value.

  • Added support for the dynamic-range media query.

Web Inspector

New Features

  • Added a new Sources tab that combines Resources and Debugger.

  • Added a new Layers tab.

  • Added support for bootstrap scripts and local resource overrides in the Sources tab.

  • Added script black boxing in the Settings tab.

  • Redesigned color choosing in the Styles sidebar with support for wide gamut colors.

  • Added a new CSS Animation/Transition timeline in the Timelines tab.

See Also

Version 13