LibreOffice 4.0 Available For Download

The Document Foundation has released LibreOffice 4.0 today, which, according to the official announcement, is the "first release that reflects the objectives set by the community at the time of the announcement, in September 2010: a cleaner and leaner code base, an improved set of features, better interoperability, and a more diverse and inclusive ecosystem".
The new version brings Unity appmenu support, option to use Firefox Personas,  better interoperability with DOCX and RTF documents and many other changes.