ROS Noetic Ninjemys
ROS Noetic Ninjemys is the thirtienth ROS distribution release. It was released on May 23rd, 2020.
ROS Noetic Ninjemys is primarily targeted at the Ubuntu 20.04 (Focal) release, though other systems are supported to varying degrees. For more information on compatibility on other platforms, please see REP 3: Target Platforms.
To get a better idea of the parts of ROS which have been changed in ROS Noetic, please look at the ROS Noetic Migration page.