"Just to be sure I completely understand: You type or paste a USPS
tracking number in the first box, and then you type a U in the right
box, the choices starting with a U drop down, and you click and select
USPS?"Yes,that's what I do.I just tried to ...
Yes, I've tried with Microsoft Edge, Chrome and Firefox and the 3 of
them behave like that.I typed the carriers as they appear in the
pulldown and letting eBay populate...none seems to work for me.
A week ago I could add more than a carrier to a sold item ,now it's not
possible.The second added carrier just disappears and when trying to add
again says "Something went wrong. Please try again later."