Windows 10 build 10547

Release date: 09/18/2015

New web platform features

New EdgeHTML features:

  • <template> element
  • <picture> element
  • Extended srcset (sizes)
  • a[download] attribute
  • Canvas ellipse
  • CSS Mutability Pseudo-classes (:read-write, :read-only)
  • CSS Range Pseudo-classes (:in-range, :out-of-range)
  • input type=datetime-local
  • SVG external content
  • WebRTC - Object RTC API (desktop)

New Chakra features:

  • ES2016 Async Functions (behind “Enable experimental JavaScript features” flag)
  • ES2016 Exponentiation operator (behind “Enable experimental JavaScript features” flag)


  • This preview updates the Edge platform version in the User-Agent string to “13.” The full User-Agent string is:
    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2486.0 Safari/537.36 Edge/13.10547

Learn more about this release on the Windows blog

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