Does SecureAuth have an ETA when this app will be supported in Splunk Cloud?
I've heard from PS, that secureauth devs have ignored Splunk's contacts to get the issues fixed.
Indeed. Blasting all channels of communication in attempt to get their attention.
You should contact the devs yourself; the app says this:
Support cases can be opened at the following web site or via phone:
+1-949-777-6959, select option 2 or 1-866-859-1526