moved forward. maybe from the rubber freezing to the metal b-pillar, and that is giving your friction when opening the door.
your passenger door has a different look to the shape than mine. does your driver side have the same shape as the passenger side?
this is the top edge of the seal from a 90 degree angle at the back of the door.
if your rubber strip hangs over the back, does it fold over the end at the front down by the hinge?
maybe it just needs to be pulled forward? this is the view of mine at the front by the hinge. 