On 23rd December 2013, jQuery team released its stable version of jQuery Mobile 1.4.0. Before we start lets have a quick intro about jQuery Mobile.
jQuery Mobile is a HTML5-based user interface system designed to make responsive web sites and apps that are accessible on all smartphone, tablet and desktop devices. It is built on the rock-solid jQuery and jQuery UI foundation, and offers Ajax navigation with page transitions, touch events, and various widgets. Its lightweight code is built with progressive enhancement, and has a flexible, easily themeable design.It is completely open source and is one of the most popular Mobile frameworks.
In other words it is called as “Touch-Optimized Web Framework”
Read the list of features in this version @ http://blog.jquerymobile.com/2013/12/23/jquery-mobile-1-4-0-released/