Please view the release notes to get up-to-date information about the improvements made in each release. If upgrading from a previous version of JIRA please pay attention to the Upgrade Notes/Guide of the latest version and any version of JIRA that your are 'skipping' during the upgrade.
The features of each JIRA release, up to and including the latest version, can be found in the JIRA Release Summary.
For full details on each of the JIRA releases, please read the release notes for the previous releases listed below.
See the complete list of Releases Notes and Upgrade Guides for information about older releases.