jQuery UI 1.11.2
One handles mouse interactions, namely dragging, dropping, selecting, sorting and resizing.
The other is actually the UI framework itself, a collection of out-of-the-box usable widgets. These include components like accordions, date pickers, dialogs, sliders, tabs, auto-completers, progressbars and buttons.
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What's New in version 1.11.1
- This update brings bug fixes for Core, Widget Factory, Position, Draggable, Droppable, Resizable, Autocomplete, Datepicker, Dialog, Progressbar, Slider, Spinner, Tabs, and the CSS Framework.