If an EditorAttribute's EditorStyle is set to None and a custom usercontrol is used as an editor, the DataContext of the usercontrol is not respected. Available in LIB version 2017.1.417 , it will be also available in the R2 2017 Release.
Available in LIB version 2017.3.1127, it will be also available in the R1 2018 Release.
Modify the current implementation so that the TypeConverter is applied as well when its GetStandardValues method is not overriden. Available in LIB version 2017.1.417 , it will be also available in the R2 2017 Release.