Documentation for JIRA 4.0. Documentation for other versions of JIRA is available too.

JIRA 4.0.2 has been released. Read the full JIRA 4.0.2 Release Notes and Upgrade Guide.
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Upgrading from JIRA 3.9.2 to 3.9.3

Please follow the JIRA general upgrade instructions.

Upgrading from JIRA 3.9.1 and earlier

In addition to the above, please read the Upgrade Guide for every version you are skipping during the upgrade. The complete list of Upgrade Guides is available here.



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