You were arguing before that reliability is a premium feature while the table shows that XEP-0313 is available for free edition, and that's what holds your mess

You were arguing before that reliability is a premium feature while the table shows that XEP-0313 is available for free edition, and that's what holds your messages while you are away. As for the configuration yes, it would be nice if it came pre-configured with modern suite, but it doesn't. It still can be configured and as far as I can see from the tester the effort is not that high.