The Publication Date will change the next time a News Item is published after it has already been unpublished. When editing a News item, click on More actions
and choose Unpublish
, then the next time the News item is published again, its Publication Date will change.
I hope this information helps.
Do you want to have your say in the Sitefinity development roadmap? Do you want to know when a feature you requested is added or when a bug fixed? Explore the Telerik Sitefinity CMS Ideas&Feedback Portal
and vote to affect the priority of the items