For some reason, CD Projekt Red is removing The Witcher 3: Wild Hunt Complete Edition from the Nintendo Switch eShop and is replacing it with The Witcher 3 base game and two separate DLCs. There won't be any increase in price for buying all three items separately, but this The Witcher 3 content split is quite confusing.
The Witcher 3: Wild Hunt was brought to the Nintendo Switch in 2019 via the Complete Edition which included the base game, both paid content expansions, and every free DLC. The Witcher 3 was originally released in 2015 but has since been re-released a number of times as different editions. The most recent of which was the game's release on the Nintendo Switch. The Witcher 3 is one of CD Projekt Red's crowning jewels as developers, but its decision to replace the Complete Edition with three separate items is CDRP's most recent in a series of puzzling decisions.
In a blog post on the official The Witcher website, CDPR states that players can now buy The Witcher 3: Wild Hunt base game, The Witcher 3: Wild Hunt — Hearts of Stone, and The Witcher 3: Wild Hunt — Blood and Wine as separate products on the Nintendo Switch. It also states that the Complete Edition which consisted of all three products in a single purchase would soon be removed from the eShop. However, a new bundle containing all three products (base game + two expansion) will be available to purchase in the near future. The price of all three products won't change, and CDPR states it has made this decision to "allow everyone more flexibility."
It is important to note that people who own the Complete Edition will still be able to download it even after it is taken down from the Nintendo eShop. Physical copies of The Witcher 3: Complete Edition will also continue to work, and players can continue to share their cross-saves with PC. However, if for some reason a player who owns the Complete Edition decides to purchase the base game and expansions, they will have to transfer their save data to PC and then back to the Switch if they want to play on previous save files.
The biggest question here is why would CD Projekt Red decide to do this? It's been a rough couple of months for CDPR after the release of Cyberpunk 2077 was an absolute disaster, so why spend any excess energy making The Witcher 3 into separate purchasable products. No one was complaining that they had to buy the Complete Edition, and it's hard to see how splitting The Witcher 3 into three parts provides anyone with more flexibility.
Source: CD Projekt Red