Windows 10 Threshold 1

6.4.9879 · Version 1507

6.4.9879.0 12 November 2014

Start and Action Center

  • You can now disable the search and Task View button
  • The Action Center has been placed in the notification area
  • New battery indicator

File Explorer

  • Favorite folders can now be pinned to Home in File Explorer
  • OneDrive now uses selective sync, no more Smart Files

User Interface

  • Animations have been refined
  • More icons have been replaced with new versions
  • The 3 dots-icon has been replaced with a hamburger menu icon, works the same
  • Dialogs in WinRT are now windowed

Internet Explorer

  • A feedback icon has been added next to options prominent in the interface
  • Extended standard and API support
    • Support for Content Security Policy
    • GamePad API support has returned (as seen in Internet Explorer Developer Channel)
    • CSS Transforms - preserve-3d support
    • JS Arrow function
    • JS iterators
    • JS Symbols
    • Media Queries Level 4: Interaction Media Features
    • Selection API Support
    • WAV Audio Support
    • ES6 Built-ins (Math, Number, String and Object)
    • ES6 Object Literal Enhancements
    • ES6 Promises
    • ES6 Classes
    • ES6 Spread
    • ES6 Template Strings
    • ES6 Proxies
    • ES6 WeakSet
  • Experimental Features Dashboard has been added under about:flags
  • The User Agent String has been altered
  • EdgeHTML has been added

Settings

  • New panels, settings and options
    • Storage Sense has been added to the main menu
    • You can now back-up settings to OneDrive (not the same as sync)
    • You can now change your background through this app
    • Under "Privacy", Cortana options have been added

System

  • Touch gestures on a touchpad are now built-in and universal across all Windows devices
  • Improvements to multi-monitor support have been made
  • MKV support has been improved

Apps

  • Insider Hub has been added as a new app, a news portal for Windows Insiders
  • OneDrive has been removed as an app
  • You can now pin the search app to the taskbar and start screen
  • Windows Feedback
    • Feedback can now be sorted on trending, number of "Me Too's" and most recent
    • The apps will take you back to the category after posting feedback
    • Bug fixes when using search
    • Screenshot button is now easier to find

Other features

  • "System compression" has been added to Disk Cleanup as a new option

And further

  • Universal scrolling has been enabled again

6.4.9879.5 16 December 2014

And further

  • Unknown fixes and enhancements
Windows 10
Threshold 1

16 December 2014

pc9879.5
Slow RingSlowSR
pc9879.5
Fast RingFastFR

25 November 2014

pc9879.0
Slow RingSlowSR

12 November 2014

pc9879.0
Fast RingFastFR