TeleNav v5.5 for BlackBerry has been added to their website's feature matrix (TeleNav GPS Navigator Features), but the software has not been actually released (confirmed with tech support).

New features added in v5.5 are as follows:

1. Navigation: Nighttime Mode
2. Directory Search: Ratings & Reviews, Speak in Search
3. Maps: Saved Commute Maps
4. Other: Shared Address, Speak in Address, Commute Traffic Alerts, Weather