noun
reason for revision; reason for modification
Used in computing contexts to indicate why a document, software, or data was revised.
この文書の改版理由は、誤字の修正です。
The reason for revision of this document is to correct a typo.
ソフトウェアの改版理由をリリースノートに記載してください。
Please state the reason for the software modification in the release notes.
Compound of 改版 (revision, new edition) and 理由 (reason).