Future packages to be added to the tidyverse


I was wondering what future packages are intended to be added to the tidyverse group of packages?

I'd love it if sf, leaflet and ggvis were added. These seem to follow the tidyverse framework


Like all things tidyverse, @hadley would be the one to comment on this. He is also a contributor to sf and leaflet, and one of the authors of ggvis. I know that sometime in the past he said something about ggvis being on the back burner, but I cannot find a link.


Here is the ggvis thread (one of the very first in the new community):


We talked about this a bit, and even managed to get a nice response from @hadley: