Apple Seeds Second Release of 'Safari Technology Preview' Browser

Apple Seeds Second Release of 'Safari Technology Preview' Browser

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Apple has seeded a second release of its new Safari Technology Preview browser. The browser offers an early look at upcoming web technologies in OS X and iOS.

Get the latest layout technologies, visual effects, developer tools, and more, so you can provide input on how they are implemented and deliver a best-in-class user experience on all Apple devices.

Here is what's changed in Release 2...

Browser Differences
● Changed the CFBundleSignature to allow Apple Events, like those sent from AppleScript, to correctly distinguish between Safari and Safari Technology Preview

JavaScript
● Added ES6 support for Symbol.isConcatSpreadable
● Disallowed var assignments in for-in loops according to ES6 specs
● Improved stability for ES6 classes when invoking a method of the parent class before calling super() in a constructor
● Allowed undefined or null for Symbol.search and Symbol.match
● Enabled Array.prototype native functions' species constructors to work with proxies
● Implemented the proposal for String.prototype.padStart() and String.prototype.padEnd()
● Implemented ES6 spec for String.prototype.match and RegExp.prototype[@@match]
● Included a workaround for web compatibility on ES6 TypeErrors when accessing RegExp.prototype flag properties
● Corrected quantified unicode regular expressions
● Ensured greedy unicode regular expressions properly backtrack past non-BMP characters

CSS
● Implemented the allow-end value of the hanging-punctuation CSS property
● Improved web compatibility by resetting CSS spacing rules on elements
● Added the new color-gamut CSS media query
● Updated screen queries to check the capabilities of the current screen instead of the deepest available screen

Web APIs
● Restricted WebSockets header parsing according to RFC6455 and RFC7230
● Improved performance of certain draw calls in WebGL with a non-power-of-two texture optimization
● Disabled the Fetch API until the implementation is ready to be enabled by default
● Enhanced Shadow DOM support to compute styles for the style attribute of elements
● Softened pushState and replaceState frequency restrictions

Web Inspector
● Timelines tab performance and bug fixes
● Disabled debugger statements while profiling a page to ensure maximum performance accuracy
● Added the ability to configure timeline instruments to use for recordings
● Added a paint count indicator in the top left corner of non-opaque layers
● Added font-variant-numeric to CSS autocompletions
● Added the console.takeHeapSnapshot method for capturing heap snapshots
● Changed details sidebar shortcuts to Command-Option-0 and Command-Shift-0
● Double-quotes and backslashes in strings are now displayed correctly in the console
● Improved the consistency of CSP directive violation messages reported in the console

Accessibility
● Corrected new lines in content editable elements to notify accessibility
● Updated the handling of SVG elements with a presentational role to be the same as other host language elements
● Limited the numbered list announcement for a list item number to the first line of text in the list item
● Changed the accessibility role descriptions for JavaScript alerts to "web dialog" and "web alert dialog" to make them more understandable to screen reader users

Rendering
● Updated backdrop filter to repaint when changed in JavaScript
● Corrected drawing SVG stroke patterns for objects with empty bounding box elements

Media
● Improved stability when an audio source is changed while being processed
● Fixed audio track listings

Networking
● Improved the reliability of speculative disk cache validation requests with the HTTP Referer header

Bug Fixes
● Fixed autoscrolling in a drag selection when a window is against the screen edge, including while in full screen mode

You can download Safari Technology Preview from the link below...

Download


Apple Seeds Second Release of 'Safari Technology Preview' Browser
Coll - April 15, 2016 at 4:48am
Add function for treeview website structor! Add function to syncronize with all device icloud account! Add function to full history of download managment! Add function to native ftp manager
onerfusion - April 14, 2016 at 6:01am
no support to Live Photos yet
. - April 13, 2016 at 10:56pm
I'm hoping even more extensions like Java support or (even if this ain't an extension, would be a nice feature) 2 safari tabs running at the same time.
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