Zooming in and out on world map with trackpad now doesn’t work properly

I generally use a trackpad on a Logitech K400r keyboard to interact with the sim, especially in the menus, before SU5 it was working fine, but now in the main world map it only zooms a bit with the trackpad gestures, and then it won’t zoom at all unless I move the cursor slightly, then only a bit more, and again stops till I move the cursor again. It’s still works just fine in the manual cache map (though I wish you would fix the selection on there not moving one to one with the map vertically which you broke about four of five updates ago and still haven’t fixed.) and it works fine in the sim to zoom the camera, so, you have messed with something in how the main world map works that’s messed this up.