Could be that a short version didn't fit the story or marketing strategy. Making a short often requires a different approach and maybe this didn't work for Toy Story 4. Also, production costs and time could be factors.
It's possible that the demand for a short version wasn't high enough or the creative team felt that the story needed the full runtime to be properly told. Sometimes, these decisions are based on various business and creative considerations.
It's possible that the team at Pixar felt that the full-length Toy Story 4 told the story completely and didn't require a short to enhance it. Or perhaps they wanted to save their creative energy for future installments or different projects altogether.
It could be that the story of Toy Story 4 didn't lend itself well to a separate short. Or perhaps Pixar had other projects in the pipeline that took priority.
It could be that they didn't have a suitable story idea for a short that fit well before Toy Story 4. Sometimes coming up with a good concept can be challenging.
Maybe it was a strategic decision by Pixar to focus directly on the full-length Toy Story without a preceding short.
Maybe they were focused on perfecting the main movie and didn't have the resources or time for a short at that point.
Maybe they were focused on perfecting the main movie and didn't have the resources or time for a short. Could be a strategic decision too.
To my knowledge, there isn't a shorter version of Toy Story 4. Usually, movies are released in their standard length for the theatrical and home viewing experience.
It could be that the focus was entirely on making Toy Story 4 a full-length feature without the distraction of a preceding short. Maybe the budget or production schedule didn't allow for it either.
Maybe it was a creative decision by the filmmakers to focus solely on the main feature without adding a short.
Maybe it was a creative decision by the filmmakers. They might have focused more on the main story and felt a short wasn't necessary.