Please search for solutions to your problems, issues, and concerns on answers.gazebosim.org. If you can't find a solution, then create a question on the website.
Trac is used to manage tickets (bugs, feature requests, and patches). Anonymous users can view tickets. If you need to submit a ticket, please join the Gazebo project on bitbucket.org.
Gazebo is an open source project that is maintained by hardworking developers for everyone's benefit. If you would like to contributed, please join the Gazebo project on kforge.ros.org and contact Nate Koenig.