Hello team! Since the very first version of Babylon.js materials are working in a pull mode. This means that every time a mesh needs to be rendered, its material has to ask the engine about a lot of information in order to compile the best shader possible for the given mesh. For instance, here is an incomplete list of states required to compile a shader: - Lights affecting the mesh (taking in account inclusion and exclusion lists and masks) - Textures and channels (including