upward compatibility; forward compatibility
Technical term used in computing and engineering to describe a system's ability to work with newer versions or components.
This software guarantees upward compatibility.
新しい規格は上向きの互換性を考慮して設計された。
The new standard was designed with forward compatibility in mind.
Compound of 上向き (upward) + の (possessive particle) + 互換性 (compatibility). A calque from English 'upward compatibility'.