Dune 2.7.0 has been
released. You can download the tarballs or checkout the
tag via Git.
Included in the release are the core modules (dune-common, dune-geometry, dune-grid, dune-grid-howto, dune-istl, dune-localfunctions) and at this point in time the dune-uggrid, dune-typetree, and dune-functions module. Details on the changes can be found in the release notes.