We've finally finished off all the work we wanted to achieve with the version-independent runner support, so we cut a new release candidate today. There were a few bugs fixed, and we added support for CruiseControl.net and ASP.NET MVC Preview 2, but otherwise this release should function more or less like the RC2 Refresh.
We believe we are now v1 feature complete.
At this point, we will only be fixing critical bugs. We're especially looking for feedback from runner authors on the functionality of ExecutorWrapper. If you're looking for examples on how to use ExecutorWrapper, the best places to start are the source code for the MSBuild task and the unit tests, although all the runners (except the Resharper runner, as I talked about yesterday) are using ExecutorWrapper now. In fact, all of our dynamic-compilation acceptance tests are also use ExecutorWrapper.
Barring any major bugs found, we're planning to release v1 at the end of the month.