Not really.
Technical analysis shows that the update allows the Switch's CPU to temporarily overclock during loading screens. zelda botw 160 update exclusive
Addressed minor stability issues to ensure the game ran smoothly while rendering for VR. Not really
Version 1.6.0 patches all of these. So if you love glitches, don’t update. If you want a stable, crash-free game – stick with 1.6.0. Version 1
Exclusive content in the later stages of Breath of the Wild’s lifecycle has largely been relegated to the expansion pass, featuring The Master Trials and The Champions' Ballad. Any "new" 160 update content discussed today usually refers to community-driven mods or unofficial graphical overhauls that push the game to 4K resolution at 60 frames per second on high-end hardware. These community "exclusives" have kept the game looking modern, even as the official hardware begins to age.