In the Roadmaps list page create New Roadmap button

Fill in the details

Type: Roadmap type, currently only features timeline roadmap is available ( more types such as Release timeline roadmap, Release plan roadmap, component roadmap will be available in the future )

Projects: Jira projects which provide data like issues, versions, etc

Title: Name of the roadmap

Description

Start date and End date

Admin role: assigned users and groups will be able to manage the roadmap

Mode: privacy mode, public roadmap is visible to all users, private roadmap is only visible to invited users