JqueryUI 1.10.2 bug

HTML

<script src="http://code.jquery.com/ui/1.11.4/jquery-ui.js"></script>
<link rel="stylesheet" href="http://code.jquery.com/ui/1.11.4/themes/smoothness/jquery-ui.css">
<ul id="sortable1" class="connectedSortable">
    <li class="ui-state-default">Item 1</li>
    <li class="ui-state-default">Item 2</li>
    <li class="ui-state-default">Item 3</li>
    <li class="ui-state-default">Item 4</li>
    <li class="ui-state-default">Item 5</li>
</ul>
<ul id="sortable2" class="connectedSortable">
    <li class="ui-state-highlight">Item 1</li>
    <li class="ui-state-highlight">Item 2</li>
    <li class="ui-state-highlight">Item 3</li>
    <li class="ui-state-highlight">Item 4</li>
    <li class="ui-state-highlight">Item 5</li>
</ul>

CSS

body {
    font-size: 62.5%;
    font-family:"Trebuchet MS", "Arial", "Helvetica", "Verdana", "sans-serif";
}
table {
    font-size: 1em;
}
.demo-description {
    clear: both;
    padding: 12px;
    font-size: 1.3em;
    line-height: 1.4em;
}
.ui-draggable, .ui-droppable {
    background-position: top;
}
#sortable1, #sortable2 {
    list-style-type: none;
    margin: 0;
    padding: 0 0 2.5em;
    float: left;
    margin-right: 10px;
    border: 1px solid;
    min-height: 300px;
}
#sortable1 li, #sortable2 li {
    margin: 0 5px 5px 5px;
    padding: 5px;
    font-size: 1.2em;
    width: 120px;
}

JavaScript

$(function () {
    $("#sortable1, #sortable2").sortable({
        connectWith: ".connectedSortable"
    }).disableSelection();
});