OData V4.01 was officially approved as a Committee Specification this week, marking the next step toward final standardization of the much anticipated extensions to OData V4.0. OData v4.01 is a fully compatible extension of the OData V4.0 protocol that adopts many popular conventions, syntax and payload simplifications, and incorporates new functionality. Some of the major enhancements in OData V4.01 include: Model improvements.