Description: Backward compatibility refers to the ability of newer software to accept and work with older data formats. This concept is fundamental in software development as it allows users and developers to maintain the functionality of existing applications and systems, even when new versions or updates are introduced. Backward compatibility ensures that data, configurations, and functionalities from previous versions are not lost or compromised, facilitating the transition to new technologies without disrupting workflows. This feature is especially relevant in environments where stability and continuity are crucial, such as in software applications, database management systems, and development frameworks. In the context of programming languages, backward compatibility can influence how library and dependency updates are managed, ensuring that older code continues to function correctly with new software versions. In summary, backward compatibility is a key principle that helps mitigate the risks associated with software evolution and maintain system integrity over time.