Diff of vijaybh/lots-of-fpwd-issues branch from master branch

see attached above for diff of current vijaybh/lots-of-fpwd-issues branch from
current master branch..

Diff filename format:

Diff-WebAuthn-<branch>-<commit>-<date>-index--from--<branch>-<commit>-<date>-index.pdf


hth,

=JeffH