On Sep. 26. and Sep. 27 the Dune core development team gathered at the RWTH Aachen to plan and discuss current development issues of the Dune core modules. Minutes of the meeting are available. A new stable release 2.3 is planned for the end of this year.
Starting on the day before, a user workshop was held at the same location. It gathered around 25 users and developers of the Dune software systems, from academia and industry. There were talks about applications, talks about technical details, and lots of discussion. Look here for the full program.