Use categoryScrollPositions when auto-scrolling
Use categoryScrollPositions when auto-scrolling

LLK/scratch-blocks,griffpatch/scratch-blocks,LLK/scratch-blocks,LLK/scratch-blocks,griffpatch/scratch-blocks,griffpatch/scratch-blocks,LLK/scratch-blocks,LLK/scratch-blocks,griffpatch/scratch-blocks,griffpatch/scratch-blocks