Update (2021-11-29): Added Western release information.
The Switch release of the game will include the digital archives DLC which was made available for the PlayStation 4 version, including additional illustrations which were released after the Japanese release of the game, two additional weapons for each character for the Destruction segments, and the Japanese release will include the English dub voice overs as an option.
Reversible Box Art Preview:
Digital Artworks and Secret Files Preview Images
This DLC content was not released for the English PlayStation 4 release of the game.
The official website for the Nintendo Switch release has also been launched.
13 Sentinels: Aegis Rim was released for the PlayStation 4 in Japan on November 28, 2019. The game was released in Traditional Chinese and Korea on March 19, 2020 and in North America and Europe on September 22, 2020.