Arducopter 2.7 Released!

New and Improved:

• NEW: 3-axis camera stabilization
• NEW: AP_Limits library: Altitude limits and geofencing.
• NEW: Automatic Flip (Roll axis) is now enabled on Channel 
• NEW: GPS lag estimator
• Better altitude control in ALT_HOLD and better altitude transitions
• Better loiter, especially with the new 3DR uBlox GPS. Check out the video from Marco above!
• Better yaw control
• Better DCM implementation, resulting in noticeably smoother flight
• Better velocity control in Auto missions
• Etc

Bugfixes:

• Fix to dataflash erasing, which should resolve an issue some users were having
• Fix some MAVLink commands
• Fix Circle command
• Fix some units
• Etc

Notes:

No more 1280 support (out of program space)
AP_Limits documentation
Jason's explanation of several improvements