Google Maps has just received a new update which brings a number of new features and the version has gone up to Google Maps 5.9.
You can now set custom notifications (vibrate, voice, ringtone) for Transit Navigation in the Google Maps app. Transit Navigation (beta) has also finally made it to Honeycomb tablets. And the best feature, the bubble buttons are back as a Google Maps Labs feature.
Download Google Maps 5.9 update from the Android Market. [Google Maps 5.9 for Android]