5.6.4.0 Japanese Version

Release Notes in Japanese
https://concrete5-japan.org/news/concrete5-6-4-0/

Release Notes in English
https://documentation.concrete5.org/developers/background/version-history/5640

5.6.3.5 Japanese Version

Release Notes in Japanese
https://concrete5-japan.org/news/concrete5-6-3-5/

Release Notes in English
https://documentation.concrete5.org/developers/background/version-history/5635

5.6.3.2 Japanese version

Release Notes in Japanese
http://concrete5-japan.org/news/concrete5-6-3-2/

Release Notes in English
http://www.concrete5.org/documentation/background/version_history/5-6-3-2/