You may have already noticed some new features in your account.  Below we've broken down the changes in Release 141.3.  You can go to ExactTarget's Wiki to view information about all of the changes.

Facebook Like

Facebook Like is an image you insert into your email that allows your subscribers to "like" your content and share your message with their Facebook friends.

View Pending and Past Sends

The Pending Sends feature displays a list of the scheduled and in-progress send jobs.  The Past Sends feature displays a list of the previous sends for the email you selected.

Data Extension Name Appears in Tracking

If you send to data extensions, you now see the name of the data extension on the tracking page.

Cancel Sends In Progress

You can now cancel a send that's in the process of sending. If you realize a send shouldn't be going out, but the send already started, you can cancel the send and avoid sending to the entire list.

Changes to the API

Go here to view the changes.

New Batch Upload to Portfolio

The batch upload process has improved uploading images to your Portfolio.

Improved Color Picker

Introducing an improved color picker in the email, template, and landing page editor.

Server-Side JavaScript

The 141.3 release allows you to retrieve information on the parent folder of a folder (if one exists) and to update filter definitions associated with email send definitions.

 Audience Builder Enhancements

The new Summary, Filter, Segment and Publish tabs introduce a new look and feel that make creating and publishing audiences more intuitive and more meaningful.