Apple has released Safari Technology Preview 168, the latest version of their developer preview web browser. The preview version of Apple’s popular browser offers developers and other interested users the ability to try out features that may or may not, debut in future public release versions of Safari.
Safari Technology Preview release 168 includes bug fixes and performance improvements for Web Inspector, CSS, Rendering, Web Animations, JavaScript, Lockdown Mode, Media, Popover, Web API, and Accessibility.
Safari Technology Preview Release 168 is now available for download for macOS Monterey 12.3 or later and macOS Ventura. If you already have Safari Technology Preview installed, you can update it in the Software Update pane of System Preferences on macOS Monterey, or System Settings under General → Software Update on macOS Ventura.
Web Inspector
- Network tab
- Fixed cleared items reappearing with Preserve Log enabled (262603@main)
- Sources tab
- Fixed unresponsiveness after inspecting photos (262409@main)
- Graphics tab
- Added support for OffscreenCanvas in Canvas related operations (262388@main)
CSS
- Added CSS Nesting serialization support for CSSOM (262177@main)
- Added support for
@supports font-format()
(262305@main)- Implemented two-value syntax of
font-size-adjust
(262309@main, 262374@main)- Implemented CSSOM
insert
on StyleRule (262394@main)Rule() - Fixed
color()
function parsing to reject missing components (262098@main)- Fixed to not show
cursor: pointer
on unclickable<area>
(262559@main)- Fixed UA styles incorrectly applying to elements with other namespaces such as SVG (262053@main)
- Fixed hit testing for an
::
withafter transform-style: preserve-3d
and a negativez-index
(262728@main)- Fixed
content: counter()
not updating visually ifposition: absolute
is set (262269@main)- Fixed unknown function parsing in
@supports
rule (262308@main)- Fixed
@counter-style
to stop allowing redefining certain predefined styles (262038@main)- Fixed
@counter-style
extends
system to always extend first symbol for fixed system (262264@main)- Fixed triggering layout on
margin-trim
style change (262423@main)- Fixed trimmed
block-start
,block-end
,inline-start
, andinline-end
margins for flex items in horizontal writing mode to reflect in computed style (262700@main, 262081@main, 262663@main, 262708@main)Rendering
- Fixed statically positioned out-of-flow box location when display type changes from
block
toinline-block
(262042@main)- Fixed incorrectly positioned out-of-flow box when a layout boundary is present (262470@main)
- Fixed siblings layout if an adjacent float no longer affects them (262481@main)
- Fixed
vertical-align
correctness (262506@main)- Fixed MathML element in
display: flex
not getting repainted on a content change (262674@main)- Fixed statically positioned out-of-flow box with anonymous sibling flex item inside
display: flex
(262341@main)Web Animations
- Fixed first frame of transform animation visible when
!important
style overrides the animated value (262327@main)JavaScript
- Added ImplementationVisibility to
Wasm::
(262191@main)Callee - Aligned RegExp V Flags Syntax errors with V8 (262017@main)
- Applied the new display computation for digital in
Intl
(262682@main).Duration Format - Fixed Paren Context allocation and use with Duplicate Named Capture groups (262239@main)
Lockdown Mode
- Disabled the Web Codecs API (262653@main)
Media
- Fixed videos not playing if opened in full screen on first play (262654@main)
Popover
- Fixed
event
to not cancel popover light dismiss (262283@main).prevent Default() - Fixed changing
popover
attribute duringbeforetoggle
when showing a popover to throw an exception (262026@main)- Implemented “check and possibly close popover stack” algorithm (262440@main)
Web API
- Implemented
URL
(262072@main).can Parse() - Fixed HTML Comments after
</body>
placed at the bottom of the<body>
contents (262222@main)- Fixed innerHTML escaping
<
,>
,&
, andnbsp
insidenoembed
,noframes
,iframe
andplaintext
(262285@main)- Fixed innerHTML serialization to not have a special handling for
javascript:
URLs (262267@main)- Fixed sliced blobs ending up with the wrong
Content-Type
in Fetch (262583@main)- Fixed Offscreen Canvas not respecting size set via CSS (262039@main)
- Fixed smooth keyboard scrolling with Page Up and Page Down (262466@main)
Accessibility
- Changed to not include the password input value in
aria-labelledby
description (262433@main)- Fixed
aria-owns
attribute for the radio role (262566@main)- Fixed VoiceOver not reading entered text in text fields (262126@main)
While the preview is intended for use by developers and advanced users, in order to provide Apple with feedback on the development of the Safari browser, it can be run side-by-side with the release version of Safari. The app doesn’t require a developer account to download and install. For more information, visit the Safari Technology Preview website.