I ported my application from 3.1 to 3.2. Over all, everything worked very well. I did find one potential bug. I have a grid that supports row reordered via the drag-n-drop functionality (plugin). If you apply a sort to any of the columns the process of picking up a row causes a refresh which then prevents you from dropping that row somewhere else on the grid. These seems to only effect re-ordering and not dragging between two grids. I am 99% sure you can take the Grid Reorder Rows example, apply a markup sort order to the column and get the same error.