Shiren the Wanderer: The Mystery Dungeon of Serpentcoil Island for Steam is slated for release on 12/11 7am PT!
Two bundles will also be available for purchase on the release date. A bundle including both the main game and Plus Pack DLC, and a bundle with all three products.
https://store.steampowered.com/app/2178480
https://store.steampowered.com/app/2862840
https://store.steampowered.com/app/3193460