Hi Mehran,
Thank you for the suggestions. We will consider them. Ability to drag columns, set templates to tasks which also allow you to re-define dueDate, priority, etc. rendering is actually already available. The task priority is not fixed, too. It depends on the data source. The size and height of inputs, etc. is available in Material design and Bootstrap which are currently mostly used in modern web app development. With the help of SCSS and the available CSS variables API you can easily customize the UI appearance for your apps.
Best regards,
Peter Stoev
Smart UI Team