New firmware for the R and RP coming in September.

koenkooi

EOS 7D MK II
Feb 25, 2015
437
260
I think this adds the time frame, or maybe I missed it earlier?
The rumour was "Big new firmware for the R", a bit later Canon released a small update for both the R and RP to add the 24-240mm. And like you say, Canon now both announced the firmware as well as a rough date for it.