Wednesday, 18 October, 2023 UTC

Release Notes for Safari Technology Preview 181

Release Notes for Safari Technology Preview 181

Summary

Release Notes for Safari Technology Preview 181
Safari Technology Preview Release 181 is now available for download for macOS Sonoma and macOS Ventura. If you already have Safari Technology Preview installed, you can update it in System Settings under General → Software Update.
This release includes WebKit changes between: 268060@main…268366@main.

CSS

New Features

  • Added support for content-visibility. (268313@main) (114734606)

Resolved Issues

  • Fixed <position> to never serialize to a single value. (268291@main) (111750372)
  • Fixed <family-name> to forbid generic families. (268203@main) (113746537)
  • Fixed offset path inset shapes with a border-radius. (268192@main) (115316728)
  • Fixed blend modes with Interoperability improvements. (268173@main) (115688282)
  • Fixed not serializing at <position> in circle() or ellipse() if unspecified. (268344@main) (115866108)
  • Fixed serialization of shape-outside. (268365@main) (115938310)

HTML

New Features

  • Added support for one-time-code as an allowed autocomplete field name. (268097@main) (115684196)

Resolved Issues

  • Fixed respecting the first parseable <meta name="color-scheme"> value. (268064@main) (64705222)
  • Fixed [dir=auto] invalidation with password fields. (268322@main) (115887776)

JavaScript

Resolved Issues

  • Fixed generator functions to not be Annex B hoisting candidates. (268352@main) (114213642)
  • Fixed the algorithm determining Annex B hoisted functions to perform lexical scope chain walk. (268302@main) (115504046)

Media

New Features

  • Added MediaStream support for whiteBalanceMode. (268102@main) (115552800)

Rendering

Resolved Issues

  • Fixed resizing behavior with writing-mode: vertical-rl or direction: rtl. (268157@main) (102620110)
  • Fixed handling iframes with display: none. (268148@main) (112494003)
  • Fixed opacity and rendering the root element background image. (268156@main) (115396444)
  • Fixed the color of the drop shadow to preserve its alpha channel. (268233@main) (115812347)
  • Fixed filters with outsets to repaint the entire filterRegion if GraphicsStyles are used. (268282@main) (115817290)
  • Fixed compositing the filter style transparency layers to not clip the destination context. (268341@main) (115901634)

Deprecations

  • Removed margin-trim behavior for floats to match specification changes. (268227@main) (115794102)

SVG

Resolved Issues

  • Fixed the SVG mask to work as a mask-resource for the CSS mask-image. (268272@main) (114465545)

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