The new version has remarkable improvement things in Image Options that is added more image options in the Admin Panel namely, allow you to choose source to get image, select a style for resizing image.
Added "Ending Character" when using the truncation the title and the description in the Admin panel
For more detail please see the CHANGELOG:
VERSION 3.0.0 - Released on 07-Oct-2013
+ Compatible with Joomla 2.5 and Joomla 3.1
+ Support responsive layout
+ Add more image options in the Admin Panel
+ Add "Ending Character" when using the truncation the title and the description in the Admin panel
VERSION 2.5 - Released on 14-Mar-2012
^ Change name of the module for Joomla 1.7 and Joomla 2.5: SJ K2 Ajax Tabs
+ Joomla 2.5 compatible!
VERSION 1.0 - Released on 04-Dec-2010
Hope you will enjoy these new features!
Note: Always back up your site before starting the update process.
Thanks for reading this!