Yes, that is correct - Roadmaps are still only available for Next-gen projects right now. Advanced Roadmaps are available for every instance with Premium support.
Advanced Roadmaps let you cover multiple projects at one time. Roadmaps are for just one project.
You can follow along with the rollout out of Roadmaps to Classic projects here:
Catch up with Atlassian Product Managers in our 2020 Demo Den round-up! From Advanced Roadmaps to Code in Jira to Next-Gen Workflows, check out the videos below to help up-level your work in the new ...
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