Sulfur Cube Lighting Problem

After yesterday's release of the first java snapshot for the chaos cubed update, I wanted to experiment with the brand new mob. This led to me eventually trying to put light emitting blocks inside the sulfur cube. I then realised that the sulfur cube cancels all lighting from the blocks it's eaten. I assume this is a bug, as the sulfur cube is visibly transparent and therefore it'd make sense for light from light emitting to be able to go through. I'd appreciate it if this were to be fixed before the update's release, as I really want to use the sulfur cube for a minigame involving it being used a torch. Thanks for your time 🙂

I added an image of the cube not emitting light. I was on a superflat, maybe that's important to know.