We have JIRA v6.4.13 with Atlassian support now its expired,So we are planning to upgrade this to 7.0.11(Please suggest me if any standard versions) and migrate to a same onprem servers.
Here are the questions I have
1. Is atlassian team ready to support for 7.0.11 jira version?
2. What are the best ways to do the migration using installer?
3. How will atlassian team support for my migration