改版 かいはん理由 りゆうじゃありませんでした
kaihanriyūjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 改版理由

1. It wasn't the reason for the revision.; It wasn't the reason for the update.

Past/Perfective
Negative
Polite
Terminal Form
Computing