Roadmap
Planned features
Add debugger to Blender development
Better Blender stubs
Better methods for property handling
custom icons (HBP, NRP)
Storage with NRP
Storage with GIT
Gazebo package installation
Sensor import / export
Revise and re-enable URDF support
Provided robot modules to speed up the design process
Videos / Tutorials
Developer documentation polish
Jenkins Pep8/Pylint/MyPy/..
Make a dedicated editor type for the Robot designer
Currently, this can only be done in C code right now. See this tutorial for more details. Even in the development version of Blender this seems not be to be possible (yet).
Custom icons
This became possible since version 2.75 of Blender.