I just upgraded openfire from 3.6.4 to 3.7.0 and had not visible issues.
What I have discovered is an issue when after login to admin console, going to “Server Settings” / “Client Connections” I get a 404 error;
HTTP ERROR 404
Problem accessing /client-connections-settings.jsp. Reason:
/client-connections-settings.jsp
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Even after service restarts it happens. Clients connect OK.
Brian