A well developed product roadmap will include new features, enhancements to existing features and some items from technical backlog
A good Product roadmap should have features and interfaces defined for next 3 months.
First step towards developing a product roadmap would be to define Minimum Viable Product. An MVP is a new product developed with sufficient features to satisfy early adopters. Complete set of features is only developed after feedback from the product's initial users.
A well developed product roadmap will include new features, enhancements to existing features and some items from technical backlog.
Product Roadmap is created based on Business Requirements DOcument and validated by the customer before it is published to any other stakeholder.