OPTIMICA Compiler Toolkit v1.10 is part of Modelon’s 2019.1 release.

New versions of Modelon libraries are sold and distributed directly from Modelon, as well as approved resellers.


  • A highlight in the release is the compiler API, which has strengthened its capabilities to programmatically access Modelica code.


  • Support of evaluation of non-literal expressions in annotations
  • More efficient handling of start values and dependent parameters
  • Improved type checking of array sizes
  • Better handling of check of bounds
  • Compiler API
    • Extended support of binding expressions
    • Better handling of SVG icons
    • Support for redeclaration of short class-declarations
    • Improved error handling
    • General bug-fixes
  • Python API
    • Improved performance of the constructor
    • Improved error checks