Jira Upgrade 7.13 to 8.1.1
Notes for 8.0.x
 Better email notifications
 New priority icons
 New options in advanced search
 Faster indexing
 REST API for issue type schemes
 Smaller improvements to make your day
Notes for 8.1.x
 Managing old components
 New JMX metrics for more insights into Jira performance
 Small improvements to make your day