The large-scale DLC “Shadow of the Golden Tree” for “Elden’s Circle” will be released on June 21. This is the only additional content for “Elden’s Circle” since its release two years ago, and according to public information, its size will also be the largest DLC since the founding of Fromsoftware.
Source: N4G PC Bonfire interview with Miyazaki Hidetaka: "Shadow of the Golden Tree" is the only DLC"