IMO some necks are getting way too long and the basenji standard section on 'lightly built' is getting some dogs with a significant lack of body or depth of chest. Small hooded ears when they exist are lovely but are also something that ones sees less and less of.
Long back/ short back - think of not just a long back but WHAT is long - is it the rib cage or the loin. If the dog is longer in loin that throws off the topline more.
Tail curls should be flexible for the dog to not get hung up in brush but some have gotten so hung up in a tight ridgid curl that the tail would actually be broken if straightened.
I see some increase in the snipiness of muzzle and hardly ever see a nice almond shaped eye.
On the other side however I do see overall some better balance - used to be you had dogs that could move and were longer backed OR you had pretty typey dogs that could not move - now I see a better blending of those two types.
I also see much better temperaments generally speaking.