Autocomplete: Updated reference in combobox demo.  Fixed #9157 - Combobox demo does not show Items
Draggable: modified snapping algorithm to use edges and corners. Fixed #8165 - Draggable: Snapping doesn't take top/left into account properly
Draggable: make sure snap elements are in the document before snapping. Fixes #8459 - Draggable: element can snap to an element that was removed during drag.
Autocomplete demo (combobox): Hide select on create. Fixes #9158 - Autocomplete Combobox demo shows underlying select by default.