I've noticed over the last year or so that if someone goes a few weeks or
months without upgrading their installed debian packages on ubuntu that
they run into problems with conflicting dependencies. Is this a known
problem and if so, is it caused by anything particular with the ROS release
infrastructure?

-j

-- 
Jonathan Bohren
Laboratory for Computational Sensing and Robotics
http://dscl.lcsr.jhu.edu/People/JonathanBohren