- Grating coupler: make_traditional_coupler now allows to apodize the period of the grating
- Port: added with_width function to generate a copy of the Port with a certain width
- Increased precision in add_straight_segment by evaluating derivative
- Added add_route_straight_to_port to Waveguide
- Fixed evaluation of width-parameter in add_parametrized_path
- Stopped testing with Python 3.5, as it reached it's end-of-life and added a warning
- Deprecated gdsCAD, as it isn't compatible with Python 3
- Fixed cell.show