I have just upgraded NGUI to v2.6.1 and suddenly all sprites inside a clipped panel became broken (no texture, only hue-colored sprites) regardless of the clipping type (hard, alpha, soft). Everything went back to normal after disabling clipping. This happens on any scenes/panels, even in NGUI examples inside a new unity project. I have tried updating my graphics driver but the problem still persists. What should I do?