What's new in the Windows Technical Preview 3?
Windows will update from version 6.4.9860 to 6.4.9879 after launching this update.
Re-enabled features
The new snap modes has been re-enabled in this build.
Desktop
You can now disable the search and taskview button
The action center has been placed in the notification area
Favorite folders can now be pinned to Home in File Explorer
Animations have been refined
More icons have been replaced with new icons
OneDrive now uses selective sync
New battery indicator
Features
Touch gestures on a touchpad are now build in and universal across all Windows devices
Improvements to multi monitor support have been made
MKV support has been improved
WinRT
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 is returned
CSS Transforms - preserve-3d support
JS Arrow function
JS iterators
JS Symbols
Media Queries Level 4: Interaction Media Features
Selection API support
ES6 Object Literal Enhancements
ES6 Promises
WAV Audio Support
ES6 Built-ins
Math
Number
String
Object
RegExp
ES6 Classes
ES6 Spread
ES6 Template Strings
Experimental Features Dashboard
Apps
Insider Hub
Insider Hub has been added as a new app, newsportal for Windows Insiders
PC Settings
Storage Sense has been added to the main menu
Windows Feedback
Feedback can be sorted on trending, number of "Me Too" and most recent
The apps will take you back to the category after posting a feedback
Bugfixes when searching
Screenshot button is now easier to find
zPC Settings
Some panels have been updated