The Disney Lightyear theme is based on the Pixar movie Lightyear released in June 2022, which is a prequel of sorts to Toy Story and follows the adventures of a young Buzz Lightyear.
LEGO Disney was is a rebranded theme from the Disney Princess line in 2017 and licensed from the Walt Disney Company. Sets in the theme use standard System LEGO although most of the Disney Princess sets use minifigures like the Friends mini-dolls..