• 2026/01/15 Notification of JACAR website update（January, 15, 2026） NEW!
• 2025/12/23 New Documents Released (Diplomatic Archives of the Ministry of Foreign Affairs > Postwar Diplomatic Records > Series A’ Politics, Diplomacy and International Disputes / Series B’ Treaties, Agreements, International Conferences and International Organizations) December 23, 2025 NEW!
• 2025/12/18 Notice about connection issues to the Toyo Bunko OPAC NEW!
• 2025/11/25 New Documents Released (The National Institute for Defense Studies, Ministry of Defense＞Army Records (Rid of Dainikki)＞Nantou (South-East Area)＞Zenpan (General))　November 25, 2025
• 2025/09/24 Temporary suspension of Internet access to the Collection of Hokkaido Prefectural Library and Archives of Hokkaido (September 29, 2025)
• 2025/09/02 Now on YouTube: “Reminisce JACAR: The Road to the End of World War II Through Online Archival Records”
• 2025/08/15 JACAR Newsletter No. 48 Released (August 15, 2025)
• 2025/07/18 JACAR Newsletter No.47 Released (July 18, 2025)
• 2025/06/11 Now on YouTube: “Reminisce – JACAR : The Battle of Tsushima Through Online Archival Records”
• 2025/05/16 Temporary suspension of Internet access to the Collection of Hokkaido Prefectural Library and Archives of Hokkaido (May 22, 2025)