Downgrading is supported.
Check Downgrading topic for details.
Renaming to OSLC Connect for Jira Data Center
To avoid any confusion with Cloud products, OSLC Connect for Jira now becomes OSLC Connect for Jira Data Center.
New licensing
Licenses are no longer acquired and managed via the Atlassian Marketplace. OSLC Connect for Jira uses its own licensing management. Existing Atlassian Marketplace licenses remain valid until they expire. For more details, check the Licensing Documentation.
Downgrading is supported.