The overall scope of Beta Decay has been well defined for many years and is reflected in the project Roadmap.
Scope creep occurs when a project expands beyond its original goals due to the continuous addition of new features.
One of the primary purposes of the Roadmap is to help prevent scope creep by maintaining a clear and focused project scope.
Changes will inevitably occur throughout development - This is an expected part of the process - such changes may result in the removal, addition, or refinement of specific features.