Release Version 8.1.0 includes many bug fixes and some new functionality. Release 8.1.2 is a maintenance build to fix some bugs.
Pro/DSS only.
Sub-models. Vensim can now make a collection of models work together. For more information, see Sub-models
DSS only.
Web Assembly. Vensim DSS can now create a set of files to allow publishing of your model on the internet with minimal work. For more information, see Publishing a model to the internet
New user interface. You can now try the new user interface for Vensim. Click Tools->Switch to new sketch to try it out.
Apple Mac.
Lots of improvements in terms of stability have been made on the Mac.
