If sucessfully doing a (maven) release in the job the Event is published in redmine news or wiki site with link to build, link to artifacts (maven repo or workspace url), and corresponding issues.

Its worth to cooperate with hdgarrood the maintainer of the redmine release plugin https://github.com/hdgarrood/redmine_release_notes/. The jenkins release build could trigger the release plugin to pass through the jenkins infos and do the news/wiki publsihing itself.