Upcoming features / enhancements in Windows Phone 8.1 which would make the Windows Phone OS more ‘complete’
All Windows Phone 8 devices will be updated to 8.1
Notification center with quick settings
Better multitasking
Simple flick upward to close applications in the multitasking view
Linear screen brightness adjustment
Music scrubbing in music player
App Folder support for all Windows phone devices
Call / SMS blocking for all Windows phone devices
Option to Change the Default Search provider in IE to Google for all Windows phone devices
Improved Battery performance
Minimize Sound distortion in Video recording via software enhancements for devices that don't have Nokia's Haac technology
File Manager
Manual IP Configuration
Control ringtone and media volume separately
Slide to the right on main screen to enable notifications
Official BBM (Blackberry Messenger) app for Windows Phone
Official Yahoo! Mail app for Windows Phone
Official Soundcloud app
Official Youtube app
Ability to change notification sound setting in Whatsapp
Cortana (Voice Assistant)
Option to display Battery Percentage at the status bar
Internet Explorer Improvements:
- Ability to Swipe back and forth in IE to change pages
- Full Screen support by auto hiding address/search bar
- Password support
The ability to create and add songs to playlist from the phone
Fix for overheating and fast battery drainage on some WP8 devices
Fix for Lightning Bolt and Gear on start-up bug
Option to disable Bing (search) button when in apps/games that do not require a search function to prevent accidental presses