There was an article about a week ago on this topic:
https://www.linforme.com/transports-...issy_1055.html
But I don't have access to it
Personnaly I'm not a fan of this change: Orly will finally be easy to reach with the Line 14 in June, and is so much more efficient (almost no taxiing, less congestion, faster security, etc.), especially for Navette flights. CDG would be a lot more painful...
I guess the only upside is that in case of ATC strikes, there should only be minimal disruptions to AF operations.