New Features of Liferay 6.1

1) Greatly Improved Document Library with a redesigned UI.

• It allows to integrate several existing content repositories (CMIS, Sharepoint, Documentum, Alfresco).
• Image Gallery and Document Library will be unified

2) Support for Staging

• modify several versions of your portal at the same time
• create a special christmas version without having to change all your sites.

3) Web Content title and description finally be translatable

4) Simplified publishing of contents

• Let end-users publish content without having to fight with asset publisher properties.
• Link Web Content Links to configurable pages

5) Taxonomy Enhacements

• internationalization for vocabularies and categories
• mandatory vocabularies
• multi valued categorization

6) Custom Entities
This seems very interesting: A possibility to create a Liferay Service with Entities and GUIs simply by using a portlet. Sounds like taking the Liferay Service approach to a whole new level by also generating GUIs and allowing Users to do this within Liferay - not within Eclipse. 

7) Workflow Aware Forms
Very interesting approach to create work-flows and the GUIs / Forms that fit into the workflow as single steps. Should be possible to define business processes without development. Lets hope that all this data is exportable somehow...

8) Implementation of OpenSocial 1.1 

9) Improved Social Features

Liferay 6.1 introduce a Contact Center that contain all Friends, FriendsRequests, Followers etc. Very good feature that incorporate all the portlets that you have to find for yourself, create a page, configure everything etc etc. It also contain "short status updates"  - looks like a twitter clone to me.

10) Redesigned Calendar portlet
Finally - the calendar portlet completely rewritten, looks a little like the Google Calendar. Possibility to add resources like conference rooms and view the availability of these resources. This will maybe help to save costs for firms.

11) Improved Message Boards

12) Improved Blogs

• Attachments
• Auto tagging
• sharing via Facebook and twitter

13) Improved Chat

The Chat Portlet rewritten and contain features such as message broadcasts to a group of users, offline messaging and a chat history with pruning

14) Mobile themes
Mobile themes for iPhone, iPad and Android will be available out of the box. This is one of the main requested features of my customers.

15) Suport for SAML 2.0

16) Improved documentation

17) Improved Liferay IDE and Liferay Developer Studio

• Create JSF 2.0 Portlets
• Visual UI builder with AlloyUI
• Workflow designer