It is here! Toy Story: That Time Forgot. It released in 2014, and it is about Bonnie going to a friends house, and Bonnie’s toys encountering other toys that attack them. The toys that try to attack them learn a lesson, overall it is a really good Toy Story Toon! I enjoyed it, it is favorite Toy Story Toon movie.
If you want to watch it on disneyplus it is here: https://www.disneyplus.com/movies/toy-story-that-time-forgot/4bFkzyVF4870