We are always improving Xray for JIRA.
To know more about new features and fixes, please find bellow our detailed Release Notes for our current and previous versions.
In Xray's Atlassian Marketplace page you may find the exaustive list of released versions along with the respective release notes, from the oldest to the most recent ones.
Keep up with the latest news
Please follow our blog http://www.xpand-addons.com/blog/, to keep up with the latest news, including articles and videos about Xray for JIRA usage.