noun which may take the genitive case particle 'no', noun
backward compatible; downward compatible
Technical term used in computing and technology to describe a system or product that works with older versions or earlier standards. Often used as a noun or with の to modify another noun.
This new game console is backward compatible, so you can also play previous software.
後方互換性を保つために、古いAPIもサポートしています。
To maintain backward compatibility, we also support the old API.