You rely on specific glitches that the patch removes (e.g., item duplication tricks) or prefer to stay on an older version for mod compatibility.
: A massive new region with skyscrapers and over 90 new quests. New Besties : Characters like join the island with 35 friendship levels to unlock. The Imagination Cafe Hello Kitty Island Adventure -NSP--Update 1.10....
: The update fixed several "glitchy" visual bugs, such as flickering carpets in the Hello Kitty house, white-screen errors in the Furniture Customizer, and off-color sunglasses. You rely on specific glitches that the patch removes (e
: Several long-standing graphical issues were resolved, including: white-screen errors in the Furniture Customizer
The developers have confirmed that save files from 1.10 will not be backwards compatible with 1.09. So, once you upgrade, there is no going back to the old fishing mechanics.