Since this was a big conversation from last week's 5tFTW, I thought it worth
noting this blog post, which goes into a lot of detail:
http://blog.mecheye.net/2014/04/xwayland/
It's not very Fedora specific so it probably won't make this week's note,
but I think there is some interest here.
http://blog.mecheye.net/2014/04/xwayland/