Release Notes for Safari Technology Preview 152
Safari Technology Preview Release 152 is now available for download for macOS Monterey 12.3 or later and macOS Ventura beta. If you already have Safari Technology Preview installed, you can update in the Software Update pane of System Preferences on macOS Monterey, or System Settings under General → Software Update on macOS Ventura.
This release includes WebKit changes between: 252999@main…253168@main
Note: Shared Tab Groups and syncing for Tab Groups, Website Settings, and Web Extensions are not enabled in this release.
Web Inspector
- Fixed stack traces to not include injected script host hooks (253022@main)
- Changed to sort headers alphabetically in the Network tab (253138@main)
CSS
- Fixed logical viewport units in
font-size
(253087@main) - Fixed
MediaQueryList.matches
to reflect iframe’s resize for viewport-dependent media queries (253123@main) - Fixed the
color
CSS property value being ignored on<select>
elements (253074@main) - Fixed using the correct
box-sizing
when calculating block size (253064@main) - Made system colors respect inherited
color-scheme
values (253041@main) - Updated Container Queries to allow logical operators on the top-level without parenthesis (253035@main)
Accessibility
- Fixed
display: contents
elements being inserted in the wrong AX tree position when they have inline renderer siblings (253038@main)
Rendering
- Fixed empty generated content to not prevent margin collapsing (253079@main)
- Fixed clearing inline elements with a block
::before
following a floated element (253076@main) - Prevented background propagation on
<html>
with any containment (253031@main)
JavaScript
- Added NoIndexing miss optimization (253120@main)
- Aligned
Date.UTC
to the specification (253044@main) - Changed to no longer ensure
length
validity for TypedArray iteration (253153@main) - Enabled Atomics object unconditionally (253137@main)
- Enabled and renamed
Array#groupBy
toArray#group
andArray#groupByToMap
toArray#groupToMap
(253101@main) - Implemented Symbols as WeakMap keys (253135@main)
Web API
- Implemented Compression Streams API (253093@main)
- Adopted
Upgrade-Insecure-Request
in SharedWorker handling (253167@main) - Changed to use EXIF orientation when creating an ImageBitmap from Blob (253004@main)
- Deprecated
window.styleMedia
and removed itsmatchMedium()
method (253168@main) - Fixed
innerHTML
andouterHTML
setters to use the correct default namespace (253039@main) - Fixed
<html>
element to not have amanifest
IDL attribute (253053@main) - Fixed decoding empty
formdata
with fetch (253047@main) - Fixed cloning a
textarea
to not set the initial selection at the end of the text content (253070@main) - Fixed XML parser to invoke custom element reactions at correct timing (253122@main)
- Fixed loads from a dedicated worker not getting intercepted by the service worker when the calling worker script was cached (253037@main)
- Stopped killing service workers if they don’t respond to subresource loads in a timely fashion (253037@main)