If you find that a model has some weird visual issues in the new graphics system (like bisected lighting or checkerboard textures) try clicking this before spawning the model to fix some of those glitches.
We’ll be releasing an updated guide soon to explain how to avoid these problems when importing models, but in the meantime, try clicking “Use Alternate Shaders” before spawning a model to fix some of the glitches.) Added a “Use Alternate Shaders” button (next to “Play as GTS” in the UI). (NOTE: This is a major revamp, and unfortunately some user-imported models may have unexpected graphical glitches as a result. A dramatic graphical overhaul, including new shaders, lighting effects, reflections, and stages beautifully retouched to take advantage of all the bells and whistles.