We are pleased to announce the feature rich version of Community Answers v1.5.0. The release adds number of new features requested on tracker including but not limited to Category level permissions, BBCode editor (gracefully degrades if the HTML is found for questions already submitted), Email subscriptions, Admin notifications, Improved notification email wordings and many more out of the box. See the complete change log here.
Update: A bug in install file and categories module is fixed. If you face any issues with categories, please update it again.