Thank You for Your feedback! We have a relatively big list of bugs, features and wishes correponding to them new kitchen cabinets, and three issues from Your list (1.,5.,6.) is already on it at top positions.
We have already made improvements on the floorplan representation, on the area of cabinet edges (there will be a separate tabpage where you can set which edges you would to tur off), also We have adresses the issues with them undermount sinks. Also We are on to fix them knob positioning aswell.
I'll add 2., 3. and 4. to Our list aswell, and see What can do about them in the future.
Huge Thanks for using them new cabinets, and implementing them in Your workflow. Also Thank You for Your positive attitude, and giving Us feedback. It means a lot and We do everything We could to make new kitchen cabinets better.