Have a read here. It looks like there’s a lot going on deep down in the system. This should honestly be read by every developer looking to optimize their code with the use of RenderStepped. I haven’t gone through the whole thing but I do intend to read more. I’m just busy doing some things at the moment. You also might be interested in the topic that sparked this change. But below is the main, official announcement from 4 years ago with all the implications and debate.