You can now report on posts and comments with a particular topic and
see the post and comment content and other details. Create a custom report type with topic
assignments as the primary object, and feed posts as the secondary object. You can also include
feed comments as a third object. Previously, you could create reports that gathered the records,
including posts, that included a particular topic. However, you couldn’t view the content of the
Where: This change applies to Lightning Experience and Salesforce Classic (not available
in all orgs) in Contact Manager, Group, Essentials, Professional, Enterprise, Performance,
Unlimited, and Developer editions.
Who: This report requires the Modify All Data or View All Data permission.