OWL 2 core documents have moved to W3C Candidate Recommendation
OWL 2, the currently ongoing revision of the Web Ontology Language, has become a W3C Candidate Recommendation. This means that there is a call for implementations now, and if they meet the requirements, it is intended that the documents proceed to Proposed Recommendation status – just one step away from being a full W3C Recommendation.
The general entry point is the Document Overview. For OWL 2 in a nutshell, see the Primer. Or have a look at our ESWC09 tutorial (Part 1).