Release Notes for Safari Technology Preview 167

Safari Technology Preview Release 167 is now available for download for macOS Monterey 12.3 or later and macOS Ventura.


This content originally appeared on WebKit and was authored by WebKit

Safari Technology Preview Release 167 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.

This release includes WebKit changes between: 261248@main…261842@main.

Web Inspector

  • Elements tab
    • Fixed editing CSS properties inside rules with nested rules causing the inner nested rules to be deleted (261329@main)
    • Fixed filtering styles to also match CSS at-rule identifiers (261804@main)
  • Sources tab
    • Added pretty-printing support for various modern JavaScript syntax, including optional chaining, private class members, and optional assignment operators (261748@main)

CSS

  • Implemented CSS text-transform with multiple values (261419@main)
  • Added offsets into shape-outside Shapes (261331@main)
  • Added support for top-level & selector for CSS Nesting (261739@main)
  • Changed to apply basic font properties as font variation settings (261566@main)
  • Fixed CSS @imports in HTML missing quote marks getting mistakenly hidden from the Preload Scanner (261254@main)
  • Fixed calculating the CSSFilter geometry and clipping (261827@main)

JavaScript

  • Added ClassSetCharacter syntax tests for RegExp v flag and fix issues found (261746@main)
  • Added more tests for RegExp v flag and fix issues found (261714@main)
  • Added ProxyObjectHas IC to optimize “has” trap (261628@main)
  • Aligned error message for non-callable ProxyObject’s “get” trap with its counterparts (261627@main)
  • Optimized Function.prototype.bind (261825@main)

WebAssembly

  • Added support for anyref behind flag (261711@main)
  • Implemented cast operations behind flag (261445@main)
  • Implemented eqref and ref.eq behind flag (261663@main)
  • Implemented initial minimal JS API for Wasm GC behind flag (261544@main)

Media

  • Fixed video in picture-to-picture snaps to incorrect size (261383@main)
  • Fixed a page with one document doing capture and another playing correctly handle remote commands (261414@main)
  • Skipped initial MSE buffering rate computation (261328@main)

Popover

  • Avoided conflicting interactions in the top layer (261317@main)
  • Made element.togglePopover() more interoperable (261386@main, 261436@main)
  • Implemented popover focusing steps (261400@main)
  • Implemented popovertarget & popovertargetaction attributes (261346@main)
  • Added an exception when calling dialog.show() on an open popover (261351@main)

Rendering

  • Fixed mixed characters in right-to-left SVG text (261495@main)

Web API

  • Implemented Priority Hints (261689@main)
  • Changed to allow quota to be set based on disk space (261840@main)
  • Changed range.extractContents() to abort early if there’s a doctype in the range (261342@main)
  • Changed to include FetchMetadata on preflight requests (261587@main)
  • Fixed some Scroll To Text Fragment URLs not finding existing text on the page (261302@main)
  • Fixed the <summary> element not focusable with tabindex (261497@main)
  • Fixed problems changing multiple state <select> element to single state (261380@main)
  • Optimized the HTML parser entity names table by omitting semicolons (261734@main)
  • Updated margin box for trimmed block-end boxes in block container and adjust the position of self-collapsing children (261750@main)

Accessibility

  • Added support for code ARIA role (261640@main)
  • Fixed standalone spin buttons to be directly incrementable and decrementable (261396@main)

MathML

  • Fixed not ignoring out-of-flow boxes while processing invalid MathML content (261841@main)

SVG

  • Fixed text transformation not starting on initial render (261408@main)


This content originally appeared on WebKit and was authored by WebKit


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WebKit | Sciencx (2023-04-05T20:50:10+00:00) Release Notes for Safari Technology Preview 167. Retrieved from https://www.scien.cx/2023/04/05/release-notes-for-safari-technology-preview-167/

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