Released in May 2021, Version 12.3 introduced several performance and visualization enhancements:
: Added plot markers and labels to model plots, with the ability to easily add variable references and links to plot captions. Wolfram SystemModeler 12.3 for Mac Free Download
: Improved symbolic linearization when used in conjunction with the Wolfram Language. System Requirements for Mac Released in May 2021, Version 12
: Users can now enter parameter and variable values in any compatible unit directly. Released in May 2021