1. 2019-01-28 [ros-users] [Discourse.ros.org] [ROS Projects] Hal_ro ros-users Alexander_Rössler 2. 2019-01-14 [ros-users] [Discourse.ros.org] [ROS Projects] Hal_ro ros-users Sam Pfeiffer via D 3. 2019-01-11 [ros-users] [Discourse.ros.org] [ROS Projects] Hal_ro ros-users John Morris via Di