This is an old revision of the document!
Current devel version will be numbered 4.4.0 and it is planned to be released during first trimester of 2016.
Previous devel version was 4.3.x (released on June, 2015), see what was new in that release at:
This is a draft of new features added in devel version, manually updated, thus not always synchronized with what is new in source code repository.