[ESS] Possible problem with Org 9.6?

[Colin Baxter]

Ok, it's not ob-R. If I load ob-R I still get 

#+begin_src R :results output :session *R* :exports both
x <- 2:4
print(x)
#+end_src

#+Results[5cafbcfc3677a0d07c696e39397c23e61ba0c021]:
: [1] 2 3 4