When will help/documentation get upgraded for new features?

In Icewarp Server (14.3.x) there are new configurations available like DMARC/DKIM/SPF in Mail->Security->DMARC.

In help or online documentation these new features are not mentioned.

It would be great to know, how these have to be configured, how they work and what to do if for instance a strange line like the following is logged:

Message for <mail@examplce.com> not delivered. Reasons:[DMARC=spf_pass+dkim_valid+dmarc_reject], Action:REJECT