Quality Backward compatibility #usable#operable#reliable Also known as: Legacy Support See Compatibility. Definitions: Backward compatibility is a property of an operating system, product, or technology that allows for interoperability with an older legacy system, or with input designed for such a system, especially in telecommunications and computing. Wikipedia Directly Related Quality Requirements A requirement that contains a "related" attribute to the quality. Interoperable with Java 12 Related Qualities Compatibility Flexibility Interoperability Portability Updateability Related Approaches Solution approaches (architectural tactics or patterns) that support this quality. No related approaches found.