I think it's reasonable to assume that this message was intended for subscribers of that mailing list, and that the people who chose to subscribe already know what R is.
Re:R 4.0
by rwmj on Friday April 24, 2020 @07:31AM
(#22966859)
And yet the message appears here, on a general tech news site, and no doubt many other places. Assuming only R-announce readers will see it is plainly wrong.
I think it's reasonable to assume that this message was intended for subscribers of that mailing list, and that the people who chose to subscribe already know what R is.