'/?&#' -> '/?#' and '?&#' -> '?#'
According to https://www.ietf.org/rfc/rfc3986.txt, URLs are
"organized hierarchically" by using "the slash ("/"), question
mark ("?"), and number sign ("#") characters to delimit components"
Maximum available image dimensions have been reduced to 4096px
on the longest edge. (from 5000px)
A few (unimportant) metadata fields are no longer available or have
been changed to 'null'.
Mike Fährmann