“Downward compatible” in Japanese
Short answer
Downward compatible in Japanese is “上位互換” (jouigokan). Full meaning: downward compatible, backward compatible; upward compatible, forward compatible; providing the same function while being more effective (esp. in games).
Other ways to say “Downward compatible” in Japanese
後方互換
kouhougokan backward compatible, downward compatible
下位互換
kaigokan upward compatible, forward compatible; downward compatible, backward compatible; providing the same function while being less effective (esp. in games)
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