Stunner - Process metadata attribute value should be a free string

Click on the Canvas and go to the properties panel Open the tab "Advanced" and at the end of the properties list On "MetaData Attributes" click on "+" button to add a new metadata attribute Give a name for the attribute "att1" Set the value for the attribute "$test, exp();, anyText.any" Actual The validation rules prevent the string to be typed and displays error messages on top of the screen. Expected The "Value" field must be free of restrictions and must accept any string. The MetaData Attribute/Value must be properly saved and then recovered by closing and reopening the process in the editor