Transfers through CDG, for me, have become very efficient. Two years ago I would not want less than (and needed) two and one half hours. Today 90 minutes is quite sufficient.
I had a ninety minute connection through CDG with Delta Airlines this past winter. My flight was Venice - CDG -JFK. The Venice - CDG leg was on Air France aircraft and the CDG - JFK was on an a Delta aircraft. Everything was on one ticket and the transfer occurred within the same terminal but different letter - for example only (2E to 2K).
I had no problem making the connection. Shockingly, I arrived at the gate approximately forty five minutes before boarding began. I don’t remember if I had to go through security. However, the airport staff were located throughout that terminal actively directing passengers.
One month earlier while raveling from Istanbul to JFK via CDG I had a two hour layover at CDG. The carrier was Air France from IST - CDG and Delta aircraft from CDG - JFK, all on one ticket. Passengers were required to show their passports as we exited the jetway upon arrival at CDG. Additionally, we had to go through security to enter the departing terminal. Two very different experiences at CDG within a few weeks. I arrived at the departure gate more than an hour before boarding time for the connecting flight.