No more secrets!
You can now test a brand-new version of Revit and see exactly what we are working on. The Revit Sundial Release Preview is HERE
Have a read of the FAQ on the link, they are very informative. You can see a list of all the possible enhancements to the software HERE
Remember, this is a Release preview, so none of the enhancements are guaranteed to appear in any future release of the software.