According to what can be read, some claim that Satoshi continued private communication with them months after he left the forum, although I take everything about Gavin Andresen with a certain amount of reservation.
The alleged final break between Satoshi and his collaborators would come on April 26, 2011.
According to records from Andresen, Satoshi sent him an email that day in which he asked him to downplay the idea he was a mysterious shadowy figure, at the time adopting a short and reproachful tone to the projects new technical lead.**
"The press just turns that into a pirate currency angle. Maybe instead make it about the open source project and give more credit to your contributors; it helps motivate them, Satoshi wrote.