In Firefox on OS X most of the Select2 inputs don't seem to be in the tab order at all, they get skipped over. If I do have one selected and type "new" I expect

In Firefox on OS X most of the Select2 inputs don't seem to be in the tab order at all, they get skipped over. If I do have one selected and type "new" I expect to see "new hampshire" (or something else starting with new), but it drops the first character, opens the drop down and I have "ew" in the text field.