Actually, Verizon has posted details about this update:
Verizon 9930 Update.
Specifically:
Device Features- Push to Talk support has been enabled.
- Near Field Communication (NFC) feature has been enabled.
- Improved home screen responsiveness reduces touch screen lockups.
- Trackpad will respond the first time when touch screen is used to maximize or minimize the icon application grid and trackpad is clicked.
- Opening an application and pressing the Back key will no longer cause the application switcher to appear.
- Cursor will acknowledge and react by stopping scrolling when reaching the end of the screen.
- No longer receive an uncaught exception error.
- Proper rendering when scrolling within the Universal Search feature.
- Turning off the wireless connection will not cause the device to restart unexpectedly.
Email, Messaging and Web- View SMS text messages or emails in their entirety.
- When sending an SMS text message that extends to two pages, all text will appear correctly.
- Text messages appear properly with the ability to download attachments, if applicable.
- View Folders within the Messages application, Menu > View Folder.
- Turning Geo-location on and off will no longer affect the browser application performance.
- Maintain data service when moving from foreign network coverage to home network coverage.
Call Features- When ending an incoming voice call, your smartphone will remain active.
- Receive incoming calls without interruption.
- While on a call, pressing Menu > Add Participant will properly place an additional call.
- Successfully log in with your BlackBerry ID when connected to your corporate Wi-Fi network.
Applications- The device will remain connected to WWAN after downloading a file using
VZAccess Manager and disconnecting the device from your computer.
- City ID information displays properly with a contactxxx8217;s company information
within the Phone application.