The OpenModelica 1.9.4-beta1 is now available here.

This OpenModelica 1.9.4 Beta1 release includes a number of improvements compared to the 1.9.3 release.

The final 1.9.4 release is planned middle of  February. The most important improvements are the following:

A number of improvements in the OpenModelica graphic model editor OMEdit (also described here):

  • Undo/Redo support.
  • Preserving text formatting, including indentation and whitespace. This is especially important for diff/merge with several collaborating developers possibly using several different Modelica tools.
  • Better support for inherited classes.
  • Allow simulating models using visual studio compiler.
  • Support for saving Modelica package in a folder structure.
  • Allow reordering of classed inside a package.
  • Highlight matching parentheses in text view.
  • When copying the text retain the text highlighting and formatting.

Several improvements in the OpenModelica model compiler and simulator:

  • Improved simulation speed for many models. simulation speed went up for 80% of the models.      The compiler frontend became faster for almost all models, average about 30% faster.

Improvements in the OpenModelica FMI 2.0 support

  • Full FMI 2.0 co-simulation support now available.


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