Let's jump right into things with the new visualization enhancements included in NX 12. Data always goes best with a visual aid. Same concept is in play here. The new visualizations give a better understanding of design through the improved display quality.
Here are the new enhancements to visualizations:
Multi-threading for smoother view interaction and responsiveness with lightweight-loaded assemblies
Multi-threaded edge display calculations during lightweight loading of assemblies
Smoother curved edges when Align Facets along Edges is off