If you search for a on release forums, you’ll often see a "v1.0.5" pack. This is usually a repack of 1.0.4 with merged DLC (Artorias of the Abyss). There is no official 1.0.5 from Nintendo—scene groups often rename releases to avoid confusion.
Addressed a specific issue where the soul of "Gwyn Lord of Cinder" would decrease multiple times under certain conditions at the Altar of Sunlight. Technical Specifications on Switch Dark Souls- Remastered Switch NSP UPDATE