This meta ticket enumerates the tasks which are being worked on for the ROS 2 release scheduled for May 31st 2019. The list will be updated as the tasks move forward.

Anyone working on features to be released into Dashing please feel free to comment on the ticket enumerating the items and checking them off as you make progress. That way readers have a more complete picture what to expect to be in the upcoming release.

Candidates for inclusion here include items pushed from the last release, some of which are struck through on #529.

• Actions
  • Python server and client (also backported into Crystal)
  • CLI tool (Add CLI tool for Actions ros2cli#202)
• Migrate to IDL to specify ROS interfaces (Migrate to IDL rosidl#346)
  • Change mapping of arrays / sequences in Python to numpy / array.array (map Arrays to numpy.ndarray() and Sequences to array.array() rosidl_python#35)
  • WString / unicode support (support for WString across all generators rosidl#352)
• Improve intraprocess communication behavior (Improve intraprocess communication behavior #649)
• roslaunch
  • Launch improvements for composable C++ nodes (Launch composable C++ nodes launch_ros#6)
  • Launch improvements for launch-based testing (Launch-based Testing launch#161)
  • Remove legacy launch API (Remove legacy API launch#159)
  • "Simple" launch file format (XML/YAML Front-end launch#163) (Adds ROS 2 launch XML format design document design#207)
• Parameters
  • Read-only (and general refresh of declare parameters) (Read only parameters rclcpp#495)
  • Declaration of a value range (Parameters support ranges rcl_interfaces#72)
    • Automatically enforce range limits (Range support for parameters rclpy#350)
  • rqt-based UI
• Improve memory management (Memory management improvements #590)
• Improve performance and reliability
  • fix memory leak affecting rclpy (fix leak in __wait_set_clean_up rcl#418)
• Port to ROS 2
  • rosbridge_suite (Porting rosapi package. RobotWebTools/rosbridge_suite#388)
• CI for simulation-based testing of navigation
• Buildfarm infrastructure
  • Roll out incremental CI jobs (Add CI jobs ros-infrastructure/ros_buildfarm#590)
  • RPM packages (Modernize RPM spec file templates ros-infrastructure/bloom#533, Add Ament package support to RPM generation ros-infrastructure/bloom#534)