The Windows Phone 8 GDR2 update for the Verizon HTC 8X is rolling out right now.
According to the official changelog version 3030.0.34201.605 of the software allows:
- Make assisted calls more easily while roaming in select international destinations
- Access song and album information more accurately with the Xbox Music experience
- Enjoy better web browsing with improved HTML5 capability in Internet Explorer
- Connect with greater stability when using Voice over Internet Protocol (VoIP) apps like Lync and Skype
There are of course also the usual features such as the FM Radio and CalDav and CalDav support that the GDR2 update brings.
The software can be installed either when the update notification has been received, or by checking for Phone Update under Settings.