This small patch primarily fixed two "notorious" issues that plagued the initial Switch 1.5 launch:
: This likely refers to "patched" or "patch notes," often used in technical databases to track software changes. Key Features of the 1.5.4.1 Era
[Infinite Health] 04000000 89ABCDEF 00000063 Stardew Valley -0100DD400C468000- -v1.5.4.1--pa...
For the dedicated farmers of Pelican Town, the bond between a player and their save file is sacred. Hundreds of hours go into tilling the soil, mining the depths of the Skull Cavern, and building relationships with the quirky inhabitants of Stardew Valley. Because of this immense time investment, few things strike fear into the heart of a gamer quite like a corrupted save file or a confusing file name.
You cannot directly. Use an online save downgrader (like frogstew’s converter) to strip 1.6 data, but expect glitches. This small patch primarily fixed two "notorious" issues
: Resolved an issue where flooring or ground in certain areas, particularly in the jungle on Ginger Island, would appear as solid blue. UI Offset Errors
While v1.5.4.1 was a stable milestone, the game has since moved forward: Because of this immense time investment, few things
: A massive new late-game region with its own volcano dungeon, tropical farm, and the "Golden Walnut" collection system.
Instead of leaving a broken placeholder, I will write a based on the most recoverable and valuable intent behind your keyword: Stardew Valley, Title ID 0100DD400C468000 (Nintendo Switch), version 1.5.4.1—covering what this version means, save management, modding limitations, and how to handle save files across platforms.