The block is pretty simple, and similar to the size block. What the block can do, is stretch the X, or Y of a sprite, I.E:

change stretch [ v] by ()

Better if it was like this:

change [stretch v] effect by (25)

Im not sure if i support or not

It looks like this is a duplicate topic of this one over here so I'll close it to keep the conversation all in one place.

Please use the existing topic in the link above.

Oops! It looks like the old topic I linked to above was merged into this one over here. Let's use it for any further discussion.