No new leaves will appear except (usually) at the growing tip. It is a vine after all. But, if and when it gets "leggy" you can cut off the top which forces the plant to put out a new growing tip where you cut it. Then you'll have 2 plants since you potted up the part you cut off. I usually start it off in a jar of water for a while. Split Leaf is on of the easiest plants to grow, IMO. It gives you feedback on how it is doing. If happy and given enough light first leaves are just plain hearts. The as the plant ages new leaves will develop a split in the leaf. Then more splits. Then holes as well as splits. Not to mention the leaves get larger. If you were to move it to a place without enough light, the next new leaf shows you its displeasure by going back down that list. I have one that I grew from seed collected in the wild in S. America (very rare) some 40 years ago. I also have 4 different versions of variegated Split Leaves. Nice. Gene