JIRA 4.0.2 Upgrade Guide
Please note the following before performing this upgrade:
Please test your business-critical gadgets
As with any new and rapidly evolving technology, gadgets offer exciting opportunities — and potential technology incompatibilities. If your cross-server gadgets are working successfully with JIRA 4.0, and you rely on these gadgets for business purposes, please test them with JIRA 4.0.2 on a non-production server before upgrading.
Upgrading from JIRA 4.0 or 4.0.1 to 4.0.2
Please follow the JIRA general upgrade instructions.