- 2023/09/11 Regarding Opening Days from Next Year (2024) Onwards
- 2023/06/06 Regarding the Change in the Public Viewing Period of Go-no-Kura
- 2020/11/17 Regarding Photography Rules (Inside the Mansion, Mansion Grounds, and Senkei Garden)
- 2017/04/01 Regarding the Change of the Official Name of the Art Museum
- 2017/04/01 The name of the Momiji Garden has been changed to "Shiki no Niwa・Senkei (Senkei) Garden."