JumpStart ABC's/Pre-release and Unused Content

This is a list of pre-release and unused content from JumpStart ABC's.

Scrapped Responsibility Singalong
A preview for JumpStart ABC's and JumpStart Learning Games Phonics depicted a brief clip of a singalong sequence of the Responsibility song from JumpStart Preschool: Who Left the Juice in the Caboose?, which presumably would've appeared in the Band Stand Sing-Along activity. However, in the final release of JumpStart ABC's, Responsibility isn't listed with the other songs, and the digital manual makes no mention of it either. It appears that although a singalong sequence for it was originally planned, it was scrapped before the game was released, for unknown reasons.

Character Changes
The game's digital manual image for the Pizza Palace activity depicts Casey with green eyes. In the final release, his eyes are black instead.