From the blog "Development Blog"

Leadwerks 4.3 brings a big performance boost to your games. In this blog I am going to talk about some of the common problems you can eliminate to make your games run faster. When slow performance is encountered, it is typically one really bad mistake that is slowing everything down. Here's a few common bottlenecks for performance you can create in your games, how to identify them, and how to fix them. Shadow Updates Shadow rendering is cheaper than regular renders because no text