Back from my trip to Sweden. To confirm, FR are not charging for exit seats, and tbh, I couldn't see any outward signs that they are going to be. I meant to ask a member of CC but didn't really deem it particularly important.
What I did find interesting was that the plane I had on the outbound sector had seat pockets in front, yet the return sector plane didn't. The seats were made of different material also. Is one plane newer than the other, or in a state of refurbishment?