What are the downsides to Zoysia grass?

I've been considering planting Zoysia grass in my yard, but I've heard there are some downsides to it. Can you tell me more about what those might be? For instance, is Zoysia grass prone to certain diseases or pests? Does it require a lot of maintenance and upkeep? Is it more expensive than other types of grass? And finally, does Zoysia grass perform well in all types of climates? I'd appreciate any insight you can offer on the potential drawbacks of this grass.