For information related to what is new for a specific release of Model Composer, refer to What's New at https://www.xilinx.com/products/design-tools/vivado/integration/model-composer.html#new.
In addition, while Model Composer is a toolbox built onto the MathWorks Simulink environment, there are certain features of Simulink that are not supported in Model Composer. The following is a list of some of the unsupported features:
- Simulink Performance Advisor.
- Model referencing.
- Variant subsystems.
- Model Composer blocks do not support Simulink fixed-point types and only support Xilinx® fixed-point types.
- Fixed-point designer does not integrate with Model Composer.
- Accelerator mode and Rapid Accelerator mode.