I am totally sold, because my github repos are numerous and I'd love to tag them all. But the tagging feature needs a cancel button, not just save. And drag an

I am totally sold, because my github repos are numerous and I'd love to tag them all. But the tagging feature needs a cancel button, not just save. And drag and drop of the tags doesn't work, dragging them to the right on the green background only scrolls it sideways.