Issues

• fmi3GetDirectionalDerivative ignores array variables (nSeed / nSensitivity unused)

  modelica/Reference-FMUs#704 · Filter by author mathcodemaster opened on Oct 2, 2026

• Roberts fmu Roberts_out.csv is incorrect (not the right file, it's a bouncing ball ?)

  modelica/Reference-FMUs#693 · Filter by author GlobalCrown opened on Sep 14, 2026

• Change name Roberts model --> Robertson model, and add documentation

  modelica/Reference-FMUs#687 · Filter by author chrbertsch opened on Aug 10, 2026
  

• Allowed function calls are too permissive/restrictive

  modelica/Reference-FMUs#681 · Filter by author Tc-Fast opened on Jun 11, 2026

• Set completedIntegratorStepNotNeeded=true for FMI 2 models

  enhancement
  modelica/Reference-FMUs#676 · Filter by author t-sommer opened on May 26, 2026

• Reference FMUs should call logMessage only when loggingOn is not fmi3False

  modelica/Reference-FMUs#670 · Filter by author pmai opened on Dec 4, 2025
  

• Check for null pointers in FMI* functions

  enhancement
  modelica/Reference-FMUs#661 · Filter by author t-sommer opened on Sep 10, 2025

• FMU implementation does not use platform types

  bug
  modelica/Reference-FMUs#658 · Filter by author PTaeuberDS opened on Jul 24, 2025

• Should outputs that are continuous states be dependent on themselves?

  modelica/Reference-FMUs#657 · Filter by author PeterMeisrimelModelon opened on Jul 23, 2025
  1

• Using the latest fmpy to calculate fmu3.0, using matrix input, why always get an error? Someone help me!!

  modelica/Reference-FMUs#641 · Filter by author Redlargeforest opened on Mar 30, 2025

• Provide higher order derivatives in getOutputDerivative()

  enhancement
  modelica/Reference-FMUs#609 · Filter by author t-sommer opened on Oct 11, 2024

• Check variable type of type defintions

  enhancement
  modelica/Reference-FMUs#587 · Filter by author t-sommer opened on Sep 17, 2024

• Plot multiple signals within same y-axis

  enhancementGUI
  modelica/Reference-FMUs#550 · Filter by author StephanZiegler opened on Aug 8, 2024

• Add explicit unit for independent variable in BouncingBall model

  enhancement
  modelica/Reference-FMUs#510 · Filter by author t-sommer opened on Jun 6, 2024

• Add an example for canInterpolateInputs (FMI 2.0)

  enhancement
  modelica/Reference-FMUs#501 · Filter by author GallLeo opened on May 15, 2024

• Document which feature or optional capabilities are tested by by which reference FMUs

  modelica/Reference-FMUs#500 · Filter by author chrbertsch opened on May 15, 2024

• Return FMIStatus from functions in FMIZip.h

  enhancement
  modelica/Reference-FMUs#497 · Filter by author t-sommer opened on May 15, 2024

• Make FMI.c build with -std=c89

  enhancement
  modelica/Reference-FMUs#468 · Filter by author t-sommer opened on Feb 21, 2024

• Include DASSL solver

  modelica/Reference-FMUs#439 · Filter by author anushkaperera opened on Nov 21, 2023

• Optionally add CVode to Co-Simulation FMUs

  enhancement
  modelica/Reference-FMUs#406 · Filter by author t-sommer opened on Oct 11, 2023

• Clocks/Clocks_ref.* and readme.html are empty?

  modelica/Reference-FMUs#320 · Filter by author arubisch opened on Nov 25, 2022

• fmiModelDescription could use version attribute

  enhancement
  modelica/Reference-FMUs#269 · Filter by author beutlich opened on Aug 23, 2022

• Plotting of the state-space

  modelica/Reference-FMUs#266 · Filter by author beutlich opened on Aug 23, 2022

• Optional: fmiModelDescription could mention license and copyright attributes

  enhancement
  modelica/Reference-FMUs#265 · Filter by author beutlich opened on Aug 23, 2022

• Optional: LICENSE.txt could be located in documentation/licenses

  enhancement
  modelica/Reference-FMUs#264 · Filter by author beutlich opened on Aug 23, 2022