Upon upgrading to v1.3.22, I believe the following settings in Admin were changed from my most recent settings:
Under the SETTINGS tab --
General: Process Emails on Page was reset from Yes to No.
Registration: Allow New User Signups was reset from No to Yes.
Users: Display Name Format was reset from “Full Name” to “Username”. Display Profile Type was reset from No to Yes. Allow Login with Email was reset from No to Yes. Logout Redirection was reset to some random page, not the correct page previously selected.
Other settings may have been changed, but these I am pretty sure about.
I recall having a similar problem when upgrading to v1.3.21.
Under the SETTINGS tab --
General: Process Emails on Page was reset from Yes to No.
Registration: Allow New User Signups was reset from No to Yes.
Users: Display Name Format was reset from “Full Name” to “Username”. Display Profile Type was reset from No to Yes. Allow Login with Email was reset from No to Yes. Logout Redirection was reset to some random page, not the correct page previously selected.
Other settings may have been changed, but these I am pretty sure about.
I recall having a similar problem when upgrading to v1.3.21.