A product roadmap enables an agile team to set a vision for their product and share that vision with stakeholders. Having a roadmap ensures stakeholders are on the same page from the start of development through to the ongoing delivery of new releases.

Easy Agile Roadmaps for Jira enables a Product Manager to capture and maintain the roadmap. The Product Manager can: 

Demo

Resources

Easy Agile Roadmaps for Jira - Interview with Nicholas Muldoon at Tools4Agile Teams conference   (YouTube)