MinecraftForge/FML — pull request #427 by Clashsoft (2014-05-14 16:06:41+00:00)
Title: Create RenderItem instance in ISimpleBlockRenderingHandler.java

Many block renderers use a RenderItem instance to for their renderInventoryBlock method. Since they all need to construct a new instance at least in a static field, that is a waste of memory.