Google has released a minor update for Maps app on Android. The new update bumps version number to 6.1.0 and brings several optimizations including improved battery performance. You can the full change-log below.

• Improved battery performance for Latitude and Location History users, and fresher locations for friends in Latitude
• Transit Navigation (Beta) can use vehicle speed to estimate location if GPS signal is lost
• Increase route options for public transit directions from 3 to 4.
• Report feedback to Google from the settings menu

Market Link