Currently the Okta IDP metadata shows two name-id formats:
md:NameIDFormaturn:oasis:names:tc:SAML:1.1:nameid-format:unspecified</md:NameIDFormat>
md:NameIDFormaturn:oasis:names:tc:SAML:1.1:nameid-format:emailAddress</md:NameIDFormat>
Few months back, I was able to select a transient name-id format, but I am unable to see that option now:
md:NameIDFormaturn:oasis:names:tc:SAML:1.1:nameid-format:emailAddress</md:NameIDFormat>
md:NameIDFormaturn:oasis:names:tc:SAML:2.0:nameid-format:transient</md:NameIDFormat>
Kindly suggest on this.