At Atlassian Summit 2010, Jonathan Doklovic of Systems Bliss and Kevin Behrens of Internet Broadcasting gave a great session discussing release and change management techniques that have worked in real-world situations.
The simple but effective release management system described uses:

Internet Broadcasting’s change management system was easily implemented in Jira using a custom issue type (“Request for Change”) as well as a custom workflow. The solution was fast to set up, simple to use, and has been very effective.
Want to learn more? Check out their session in this 35-minute video:

Want to view the slides?

The slides and recording for this presentation and more are available on the Atlassian Summit 2010 website.

Summit 2010 Highlights – Release and Change ...