Gee, I guess FSD is more difficult than Musk thought in 2015.  This time the latest version of FSD is fooled by different physical sizes of stop signs.  https://www.thedrive.com/news/teslas-can-be-tricked-into-stopping-too-early-by-bigger-stop-signs  Makes one wonder what other uncovered bombs exist in that wonderfully expensive $15,000 option.