as a feature request, I'd love to have an option to dynamicaly distributes widgets horizontally or vertically in a "group". their should be two different methods, one, content driven and the other group size driven.
A basic, time consuming example is a project with several pages composed by slices of masters. Riht now, if you change any slice's height, you have to adjust the Y position of every master's bellow, on every pages.
Having a group on every page that distributes every master (top anchored in this example) with a given padding would be an huge time saver.
In the previous example, the size of the group is driven by content and padding, a must would be to have a second method where the padding is driven by the group height and the content.
That second method would be really usefull to dinamicaly distribute widgets according to screen size.