Assemblies Contents Envelope Publisher You can use the Envelope Publisher tool to include components from a top-level assembly as envelopes in a subassembly. Flexible Components You can define a part component as flexible to drive the geometry of flexible components by the assembly geometry. Mates Patterns Large Design Review Exploded Views External References Options You can select options for In the context of to allow creation of external references in a top-level assembly or a subassembly. You can select options for Reference Component Type to limit external references to any component or only envelope components. Isolating Interferences In the Interference Detection tool for assemblies and multibody parts, you can tag interference, components, or bodies for isolation after you exit the Interference Detection PropertyManager. Modify Configuration for Toolbox Components You can modify the configuration for Toolbox components by using the Modify Configurations dialog box. Performance Improvements for Assemblies Assembly performance is optimized for some tools and workflows so full rebuilds of an assembly or graphics occur less often. Save as Copy with a Subset of Configurations You can save a copy of a part or assembly with a subset of configurations.