You should have heard by now that OpenMP 4.5 has finally been released, you can find the official statement on openmp.org: http://openmp.org/wp/2015/11/openmp-45-specs-released/. It turned out to be more of a major release than initially anticipated, hence the OpenMP Language Committee decided to jump to version 4.5 over the originally anticipated 4.1.
If you are fine with reading a German article, my friend Michael Klemm and I have written an overview piece discussing the most important changes and new additions (from our point of view), including some code examples. It has been published at heise Developer here: http://www.heise.de/developer/artikel/Die-wichtigsten-Neuerungen-von-OpenMP-4-0-1915844.html.
At SC15, I had the opportunity to give a talk at the OpenMP booth. I decided to review the Tasking feature in OpenMP, and very briefly give an overview about all the new Tasking-related goodies that made their way into OpenMP 4.5. The video has been released on youtube and the slide are also available: