Friday afternoon a fascinating conversation broke out at the SandCamp (San Diego) coder lounge about how to get more people contributing to core (and reviewing issues).
One of the issues mentioned is how people can't use the development version of core to build sites on and later have to deal with all the new changes to core when the next version comes out.
If there was a way to get people using drupal 8 now, for production sites, that'd help in various ways: