Information(about issues)

Announcement

• [2025/12/25] Grand Sumo App [ver 2.4.10]release
• [2025/12/17] Grand Sumo App [ver 2.4.9]release
• [2025/11/25] Grand Sumo App [ver 2.4.6]release
• [2025/11/04] Grand Sumo App [ver 2.4.5]release
• [October 22, 2025] November 5 Maintenance for the “Help & Contact” Page
• [2025/09/09] Grand Sumo App [ver 2.4.4]release

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Announcement

• [2025/03/13] Grand Sumo App [ver 2.0.8]release
• [2025/03/11] Grand Sumo App [ver 2.0.7]release
• [2025/02/19] Grand Sumo App [ver 2.0.5]release
• [2025/02/12] Grand Sumo App [ver 2.0.4]release
• [2025/01/22] Grand Sumo App [ver 2.0.3]release
• [2024/10/01] 10/13～10/14、10/21～10/22 Maintenance of "Information (Help) and Inquiries"

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