Safari Technology Preview 33 est disponible

Apple vient de relâcher la 33e preview de Safari Technology. Cette nouvelle version livre un peu plus de changements que la version précédente.

Si vous n’avez pas encore testé cette version de Safari, vous pouvez la découvrir à cette adresse. Notez que Safari Technology se veut plus rapide, mais reste encore et toujours en anglais. Dans cette nouvelle mouture, il est question de WebRTC et la capture média, Web Inspector, l’API Web, le Java Script, entre autres améliorations listées plus bas.

 

Voici la Release 33

Performance

  • Fixed an issue that could lead to large memory use in the Safari Technology Preview and web content processes when certain Safari Extensions are installed

JavaScript

  • Fixed for-in optimization static analysis in the bytecode generator
  • Improved performance of String.prototype.concat
  • Improved the bytecode and type information provided for toLength
  • Optimized Map and Set constructors

WebRTC

  • Added WebRTC stats logging

Media Streams and Capture

  • Fixed getUserMedia prompting too often
  • Prevented getUserMedia requests from background tabs unless the tab is already capturing
  • Prevented getUserMedia from prompting again if the user denied access

Media

  • Enabled clients to specify a list of codecs that should require hardware decode support
  • Exempted exclusively wall-powered devices from client-required hardware codec support
  • Aligned Web Audio implementation to specifications when clients pass a value of 0 for bufferSize to the createScriptProcessor() method

CSS Grid

  • Added support for orthogonally positioned grid items
  • Fixed the behavior of positioned items without specific dimensions
  • Fixed the logical margin applied in the tracks sizing algorithm of auto tracks
  • Fixed margin applied when stretching an orthogonal item in a fixed size track

Web API

  • Aligned <col span> and <colgroup span> limits with the latest HTML specification
  • Fixed null content-type and content-length when fetching Blob URLs with XHR
  • Fixed getComputedStyle() to return pixel values for left, right, top, and bottom, matching the specifications
  • Implemented fromFloat32Array, fromFloat64Array, toFloat32Array, and toFloat64Array for DOMMatrix
  • Implemented DOMPointReadOnly.matrixTransform()
  • Enabled script modules to be imported via data URLs
  • Updated to slightly stricter rules for custom element names from the recent draft standards
  • Used the parent box style to adjust RenderStyle for alignment
  • Added conditional support for media preloading and aligned media as values
  • Aligned preload implementation to specifications with mandatory as value and other alignments

Rendering

  • Changed behavior to remove backing store for layers that are outside the viewport
  • Fixed an issue where a frame’s composited content is visible when the frame has visibility:hidden
  • Changed behavior to destroy the associated renderer subtree when display:contents node is deleted

Web Inspector

  • Added contextual menu item to log a WebSocket object to the console
  • Added Debug view to the Settings tab for debug settings and experimental features
  • Added the ability for the user to choose stylesheet when creating new rules
  • Changed the Node Details Sidebar to allow editable key and values in the Attributes table
  • Prevented unnecessary layout triggered when a Sidebar is resized while collapsed
  • Fixed performing search on reload for an existing query in the Search tab
  • Fixed images dragged from Web Inspector to Desktop being named “Unknown.png”
  • Fixed an issue where reloading the page after switching from the Resource tab switches back
  • Fixed the CodeMirror instance in the ConsolePrompt getting refreshed each time it is shown
  • Fixed showing active Web Sockets when opening Web Inspector
  • Fixed an issue preventing the go-to arrow to inspect Web Sockets that receive >50 messages per second
  • Improved the reliability of automatically pausing in auto-attach when inspecting a JSContext

Bug Fixes

  • Enabled AirPods to work with Netflix
  • Fixed stuttering audio in YouTube when the page changes visibility
 
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