This is a digital game format used by the Nintendo Switch. In this context, it represents a Patch/Update rather than the base game. Version (1.0.26.0):

Check the full official patch logs for Diablo II: Resurrected at Blizzard News

Fixed corrupted "Non-existent Level" strings on the automap.

Corrected the color of the Terrorized Zone level string (it was not appearing purple in Standard Definition).

This version includes data and technical support for the Reign of the Warlock paid DLC, which added the Warlock class to the roster. Nintendo Switch Stability Fixes: