Some of the animators who worked on the film spoke to IGN about the film's production.Sorry, I haven’t been following. What sources confirmed the reanimation and decision not to air? Doesn’t Disney usually keep that information close?

Inside Out 2 Was the Hit Pixar Needed, but the Laid-Off Employees Who Crunched on It Are Still Hurting - IGN
Inside Out 2 is the highest-grossed animated film ever. But behind the scenes, Pixar workers grappled with crunch, layoffs, and an avoidance of LGBTQ+ themes. Our report of the tumultuous making of the sequel to one of the most beloved Pixar films ever.