Actually for that issue, it's me. I'm using version 5.1 which may have something to do with the issue. I'll try to update and see if that makes any difference.
(Love your comment about, "If it ain't broke..." I'm with you 100%!
The issue is strange. I select my profile out of game and it works fine. Personally, I use a very fast setting with no dead zone.
When I get in game, it's as though it reverts to some sort of default: panning becomes very slow and narrow and it has a pretty wide dead zone which I don't ever use. To compensate, I've tried making my settings ridiculously high (almos