Fixed blurry screen sharing for some sites.

Safari 18.1 Release Notes
Released October 28, 2024 — 18.1 (20619.2.8)

Overview
Safari 18.1 is available for iOS 18.1, iPadOS 18.1, visionOS 2.1, macOS 15.1, macOS Sonoma, and macOS Ventura.

Accessibility
Resolved Issues

• Fixed display: contents on tbody elements preventing table rows from being properly exposed in the accessibility tree. (129131780)
• Fixed the handling of ElementInternals’s ariaValueNow null values so the right value is exposed to assistive technologies. (129218234)
• Fixed tables with hidden rows reporting wrong counts and blocking access to some rows in VoiceOver. (129612387)
• Fixed role="menu" elements to allow child groups with menuitem children. (131838275)
• Fixed updating the accessibility tree when text underneath an aria-describedby element changes. (131877635)
• Fixed text exposed to assistive technologies when display: contents directly wraps a display: block text container. (132265522)
• Fixed VoiceOver not finding any content in a table when display: table is applied to tbody elements. (132820485)

Authentication
Resolved Issues

• Fixed an issue using large credential lists with security keys. (133711978)

CSS
Resolved Issues

• Fixed style container queries querying the root element. (124875999)

Editing
Resolved Issues

• Fixed deleting content immediately before a <picture> element unexpectedly removing <source> elements. (128100106)
• Fixed inserting text before a <picture> element inserting the text after the element instead. (134378236)

JavaScript
Resolved Issues

• Fixed incorrect optimization and random non-updated values. (135851156)

Media
Resolved Issues

• Fixed a bug in WebCodecs where audio and video codecs with pending work could be prematurely garbage collected. (134297589)

Networking
Resolved Issues

• Fixed a bug where Cross-Origin-Opener-Policy header fields in the response of iframe elements were not ignored, resulting in window.opener being null after multiple cross-origin navigations of the embedder document. (132840366)

Rendering
Resolved Issues

• Fixed content-visibility to not apply to elements with display: contents or display: none. (134436437)
• Fixed float clearing in the WordPress Classic Editor sidebar layout. (136988841)

Security
Resolved Issues

• Fixed the ping attribute for elements to be controlled by the connect-src CSP directive. (131054895)

Web Extensions
Resolved Issues

• Fixed blob URL downloads failing to trigger from an extension. (78929424)

WebRTC
Resolved Issues

• Fixed blurry screen sharing for some sites. (133611004)

WKWebView
New Features

• Added support for the Writing Tools API to enable and customize the behavior in apps. (128340967)

Resolved Issues

• Fixed AVIF in WKWebView on macOS. (133272264) (FB14678252)