Some interesting leaks are still emerging for Windows Phone 8.1. As mentioned on the Windows phone lovers Facebook page, seems there will be Five Slots found in Quick Settings of Action Center and following apps can be set for quick access,
* Rotation Lock
*Do Not Disturb
* Location and
Apart from this, Dual-Sim support is actually coming as expected and we have seen some devices revealing themselves.
Not sure about this, but may be the Windows Pone store will offer Music and Podcast download as well,
Apps suggestions based on your Facebook profile.