Apple Releases Safari Technology Preview 103 [Download]

Apple Releases Safari Technology Preview 103 [Download]

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Apple has released Safari Technology Preview 103, an update to its experimental browser for macOS.

Get a sneak peek at upcoming web technologies in macOS and iOS with Safari Technology Preview and experiment with these technologies in your websites and extensions.

Here's a list of all the changes...

Web Inspector
● Merged the toolbar and tab bar to save vertical space
● Redesigned resource and action identifier icons
● Allowed the use of dark mode theme independently from the system-wide theme
● Annotated tabs so that they are properly recognized as such
● Changed to not re-cycle through items in the Styles or Computed details sidebar panel when pressing tab
● Fixed clicking a button navigation item to focus it, allowing for subsequent keyboard navigation
● Supported expanding and collapsing details sections with the spacebar or “enter” key
● Supported cycling through scope bar items by pressing tab

● Aligned garbage collection for XMLHttpRequest objects with the specification
● Aligned Fetch ‘request Origin header’ behavior with the specification
● Changed the case of an activating service worker getting terminated to go to an activated state
● Changed to load async scripts with a low priority
● Changed to accept a Document as an explicit root
● Implemented wildcard behavior for Cross-Origin-Expose-Headers

● Made the style invalidation accurate for user-action pseudo classes
● Changed to avoid full style resolution on Element::focus()

Page loading
● Changed fixed sized SVG content to be taken into account when computing visually not empty status
● Changed layers going from visually empty to non-empty to immediately trigger layer unfreezing

Back-Forward Cache
● Added quirk to disable to back-forward cache on

● Updated custom element caching to be aware of different worlds

Bug Fixes
● Fixed leaking DocumentTimeline and CSSTransition objects on
● Fixed notes text in titles and headings is distorted
● Fixed not loading properly with screen flickering when zooming

You can download Safari Technology Preview from the link below.


Apple Releases Safari Technology Preview 103 [Download]