Safari Technology Preview Release 3 czeka w App Store

28/04/2016, 10:18 · · · 0

Zgodnie z obietnicą, co dwa tygodnie pojawia się kolejna wersja Safari Technology Preview. Wczoraj wieczorem światło dnia ujrzała trzecie wydanie.

Safari Technology Preview – przedsmak tego co trafi do Safari

Pełną listę zmian i nowości znajdziecie tutaj, a jeśli macie go zainstalowanego, to uaktualnienie pojawi Wam poprzez Mac App Store. A jeśli chcecie go zainstalować, to szczegóły znajdziecie w powyższym wpisie.



  • Added support for Symbol.isConcatSpreadable per the ES6 spec (r199397)
  • Made RegExp constructor get the Symbol.match property to decide if an object should be constructed like a RegExp object per the ES6 spec (r199106)
  • Changed String.match and to use RegExp constructor per the ES6 spec (r199144)
  • Corrected how function declarations are hoisted per the ES6 spec (r199179)
  • Improved parsing of ES6 arrow functions (r199352)
  • Added RegExp.prototype[@@split] and made String.prototype.split use it per the ES6 spec (r199731)
  • Added RegExp.prototype[@@search] (r199748)
  • Updated the treatment of invoking methods on RegExp.prototype per the ES6 spec (r199545)
  • Made more test cases pass with ES6 RegExp unicode flag (r199523)
  • Added support for caching accesses to arguments.length for a performance speed-up (r199240)
  • Corrected the behavior of throw() for generators yielding to an inner generator per draft ECMAScript spec (r199652)


  • Implemented the functional :host() pseudo class (r199291)
  • Improved support for SVG cursor images (r199625)
  • Started using OpenType math fonts by default for MathML (r199773)
  • Fixed measurement of hanging punctuation (r199777)
  • Improved hyphenation when the last line in a paragraph only contains one syllable of a word (r199818)
  • Fixed a layout problem affecting CSS Grid items without a static inline position in RTL languages (r199098)
  • Fixed positioned items with gaps for CSS Grid (r199223)
  • Added support for CSS Grid grid-template-columns repeat(auto-fill, …) and repeat(auto-fit, …) (r199343)
  • Fixed positioned items with content alignment in CSS Grids (r199657)
  • Started using grid-template-areas to determine the explicit grid (r199661)
  • Corrected CSS Grid layout by using the margin box for non-auto minimum sizes (r199728)

Web APIs

  • Added support setting and retrieving Blob values in IndexedDB (r199120r199230r199499r199524r199708r199730)
  • Corrected MessageEvent.source result once window has been fully created (r199087)
  • Improved stability when the first child of a shadow root is a comment node (r199097)
  • Made CSS be a proper constructor on the window object with static functions (r199112)
  • Exposed the Crypto constructor on the window object (r199159)
  • Added support for display: contents on <slot> elements (r199151)
  • Fixed FontFace so it will be properly reject the returned promise if Content Security Policy blocks all the URLs (r199611)
  • Made FontFaceSet handle null correctly (r199216)
  • Corrected DOMTokenList.contains() so it does not throw an exception (r199296)
  • Made Selection.deleteFromDocument not delete a character when the selection is a caret per the spec (r199585)
  • Improved the IndexedDB bindings to better match the spec (r199750r199774)
  • Made AudioBufferSourceNode.buffer nullable (r199751)
  • Improved stability handling a wheel event that closes a frame (r199181)

Web Inspector

  • Made it possible to expand objects in the Instances heap snapshot view to see what it retains (r199379)
  • Improved performance dramatically in the Timelines tab when recording pages with a lot of rapid activity and for long recordings (r199747)
  • Improved JavaScript pretty printing performance by using Esprima and by no longer blocking the main thread (r199168r199169)
  • Improved the profiler’s sampling rate to get closer to a 1ms sample frequency (r199092)
  • Improved filtering in Open Quickly dialog (r199143r199226)
  • Made the Open Quickly dialog keep its resource list up to date (r199207)
  • Stopped trying to match color patterns in JavaScript source code to improve performance of large resources (r199095)
  • Changed take snapshot navigation button to a camera glyph (r199177)
  • Corrected source code location links in the JavaScript profile Call Trees view (r199201)
  • Made XHRs and Web Workers full-text searchable (r199263)
  • Improved the appearance of DOM nodes in object previews (r199322)
  • Improved the tab bar rendering when the tabs are small (r199325)
  • Corrected dock controls disappearing from the toolbar after leaving fullscreen (r199395)
  • Started remembering the zoom factor as a persistent setting across sessions (r199396)
  • Corrected sourceMappingURL not being used when sourceURL was also set (r199688)
  • Started localizing sizes and times by using Number.prototype.toLocaleString(r199635)
  • Made sourceMappingURL work more reliably across reloads (r199852)


  • Improved the time to display for some pages — allowing a short page header to render immediately before other content populates later (r199155)
  • Fixed page tile layers disappearing when graphics acceleration is unavailable (r199130)
  • Made font-size: 0 render as 0 width when text-rendering: optimizeLegibilityis used (r199150)
  • Corrected focus ring drawing at incorrect location on image map with a CSS transform (r199247)
  • Made negative letter-spacing affect the right edge of the content’s visual overflow (r199516)
  • Corrected compositing for WebGL based canvases after they changed size (r199536)
  • Started clearing the rendered icon on <input type=file> when an empty files list is set (r199540)
  • Improved performance of border-collapse: collapse on tables (r199552)
  • Improved rendering of select[multiple] to better match other browsers (r199553)
  • Fixed backdrop filter so it honors visibility: hidden (r199862)


  • Made nested browsing context created for <object> or <embed> respect Content Security Policy’s object-src directive (r199527)
  • Started ignoring Content Security Policy meta tags if it is not a descendent of <head>per the spec (r199163)
  • Started ignoring report-only Content Security Policy directives delivered via meta tag per the spec (r199538)
  • Started ignoring paths in Content Security Policy URL matching after redirects per spec (r199612)
  • Removed support for X-Frame-Options in <meta> per the spec (r199696)


  • Stopped speculatively revalidating cached redirects (r199521)
  • Stopped cacheing responses with Content-Range headers to avoid serving incorrect results (r199090)
  • Fixed clearing the application cache when removing website data in Privacy preferences (r199204)


  • Changed the application role description to “web application” to avoid confusion with the top-level system application description (r199260)
  • Made presentation role be preferred over child <title> and <desc> elements in SVG content (r199588)


Wojtek Pietrusiewicz

Wydawca, fotograf, podróżnik, podcaster – niekoniecznie w tej kolejności. Lubię espresso, mechaniczne zegarki, mechaniczne klawiatury i zwinne samochody.