This is a weekly summary of new tool development and release information related to Digital Humanities (DH).

National Archives of Japan Digital Archive and Japan Center for Asian Historical Records Renewed

The National Archives of Japan Digital Archive and Japan Center for Asian Historical Records underwent a system transition on March 23, 2026, and were renewed. Enhanced search functionality and improved screen design were reportedly implemented.

Full-text Search System ‘Himawari’ Package for ‘Aozora Bunko’ (Version 20260401) Released

The April 1, 2026 version of the ‘Aozora Bunko’ package for the full-text search system ‘Himawari’ has been released. It references Aozora Bunko data as of April 3, 2026, and reportedly includes 16,691 works.

Mitsui Memorial Museum Releases Collection Database

The Mitsui Memorial Museum released its collection database on March 27, 2026. It makes part of the museum’s collection materials available to the public, with regular updates planned for the future.

Mitsui Bunko Foundation Releases Website “Mitsui Bunko Collection Catalog”

The Mitsui Bunko Foundation has released the website “Mitsui Bunko Collection Catalog.” Five historical document groups (approximately 4,000 items) have been added as registered archival collections, including Mitsui family records and documents, prewar overseas economic survey materials, and Taiwan sugar industry survey materials.

Special Wards Association Releases “Special Wards Autonomy Digital Archive”

The Special Wards Association released the “Special Wards Autonomy Digital Archive” on April 1, 2026. This service allows users to view digital images of materials related to the special ward system and historical materials related to the Tokyo metropolitan area, including old maps, housed at the Special Ward Autonomy Information and Exchange Center.

This article is automatically generated by AI. It may contain omissions or inaccurate descriptions. Information sources include X posts, GitHub updates, and Current Awareness Portal.