While there was no major new content expansion for The Legend of Zelda: Breath of the Wild (BotW) released specifically in 2021, the game remains on (released in April 2019), which continues to be the definitive version for players today.
: Official support has since shifted toward the sequel, The Legend of Zelda: Tears of the Kingdom . 6.0, or are you trying to verify your current game version ? botw update 160 2021
: Fast traveling or entering shrines became up to 30-40% faster . For example, a loading screen that previously took 26 seconds was cut down to approximately 14 seconds. While there was no major new content expansion