OpenModelica master-fmi-fmpy from 2026-01-08 16:19:22 to 2026-01-10 16:37:48

Summary

OMC Commits2
Libraries Changed3
Number of Improvements20
Number of Regressions32
Number of Performance Improvements15
Number of Performance Regressions11

OpenModelica Changes

CommitDateAuthorSummary
01a863cff42026-01-09 18:26:29 +0100arun3688check for output path in boundaryCondition algorithm (#14871)
4460b5893f2026-01-09 16:28:51 +0100linuslangenkamp[MOO] update to latest version (#14870)

3rdParty changes

Note that the 3rdParty libraries changed: 107a2e75bfca..00e74f158d12

OpenModelicaLibraryTesting Changes

CommitDateAuthorSummary
f2691882025-12-11 11:52:34 +0100Adrian Popadd extra simflags gbode (#262)
a8b7fb32025-12-04 12:35:20 +0100Adrian Popupdate HelmholtzMedia (#261)

Library Changes

LibraryChange
Buildings_11From version 11.1.1-maint.11.x (https://github.com/lbl-srg/modelica-buildings/archive/a4842f655b4be6fc5305c00df071841c7cee9980.zip) usage: __main__.py [-h] [--version] [--validate] [--start-time START_TIME] FMPy version: 0.3.21 Python version: 3.10.12 (main, Nov 4 2025, 08:48:33) [GCC 11.4.0] --version show program's version number and exit to 11.1.1-maint.11.x (https://github.com/lbl-srg/modelica-buildings/archive/0cf41c6aaaa8a1ce4ce76fdd671f3264ffa82e17.zip) usage: __main__.py [-h] [--version] [--validate] [--start-time START_TIME] FMPy version: 0.3.21 Python version: 3.10.12 (main, Nov 4 2025, 08:48:33) [GCC 11.4.0] --version show program's version number and exit
Buildings_12From version 12.1.1-maint.12.x (https://github.com/lbl-srg/modelica-buildings/archive/a2615dd5f3933896411db908b6a782f0133e2845.zip) usage: __main__.py [-h] [--version] [--validate] [--start-time START_TIME] FMPy version: 0.3.21 Python version: 3.10.12 (main, Nov 4 2025, 08:48:33) [GCC 11.4.0] --version show program's version number and exit to 12.1.1-maint.12.x (https://github.com/lbl-srg/modelica-buildings/archive/19ef4ed52eab46e4b8aecbcaa28655e58d0c1244.zip) usage: __main__.py [-h] [--version] [--validate] [--start-time START_TIME] FMPy version: 0.3.21 Python version: 3.10.12 (main, Nov 4 2025, 08:48:33) [GCC 11.4.0] --version show program's version number and exit
Buildings_latestFrom version 13.0.0-master (https://github.com/lbl-srg/modelica-buildings/archive/e0d95d59322b859bdc71c109e382cfb5c87b908d.zip) usage: __main__.py [-h] [--version] [--validate] [--start-time START_TIME] FMPy version: 0.3.21 Python version: 3.10.12 (main, Nov 4 2025, 08:48:33) [GCC 11.4.0] --version show program's version number and exit to 13.0.0-master (https://github.com/lbl-srg/modelica-buildings/archive/944f6639087d1f654fddde90873a352e042f09c4.zip) usage: __main__.py [-h] [--version] [--validate] [--start-time START_TIME] FMPy version: 0.3.21 Python version: 3.10.12 (main, Nov 4 2025, 08:48:33) [GCC 11.4.0] --version show program's version number and exit

Models Affected

AixLibAixLib.Airflow.AirCurtain.Examples.AirCurtain (sim)Compile performance 31.06 → 12.08
AixLibAixLib.Airflow.AirHandlingUnit.ModularAirHandlingUnit.Components.Validation.Cooler (sim)Compile performance 30.57 → 12.98
AixLibAixLib.Airflow.AirHandlingUnit.ModularAirHandlingUnit.Components.Validation.Fan (sim)Compile performance 31.30 → 13.97
AixLibAixLib.Airflow.AirHandlingUnit.ModularAirHandlingUnit.Components.Validation.Heater (sim)Compile performance 29.60 → 12.13
AixLibAixLib.Airflow.AirHandlingUnit.ModularAirHandlingUnit.Components.Validation.SprayHumidifier (sim)Compile performance 31.68 → 14.21
AixLibAixLib.Airflow.AirHandlingUnit.ModularAirHandlingUnit.Components.Validation.SteamHumidifier (sim)Compile performance 30.36 → 12.40
AixLibAixLib.Fluid.Geothermal.Aquifer.Examples.CoolingOffice (sim)Compile performance 0:03:08 → 0:05:49
AixLibAixLib.ThermalZones.ReducedOrder.Examples.ComparisonThermalZoneMoistAndDryAir (sim)Compile performance 0:01:30 → 0:02:43
Buildings_11Buildings.DHC.ETS.Combined.Validation.ChillerOnly (sim)Verify → Failed
Buildings_11Buildings.Fluid.Geothermal.Borefields.BaseClasses.Boreholes.BaseClasses.Functions.Validation.InternalResistancesOneUTube (sim)Verify → Compile
Buildings_11Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case610 (sim)Compile → Failed
Buildings_11Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case650FF (sim)Failed → Verify
Buildings_11Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case685 (sim)Failed → Compile
Buildings_11Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case900FF (sim)Verify → Failed
Buildings_11Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case910 (sim)Failed → Compile
Buildings_11Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindow (sim)Failed → Verify
Buildings_11Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindowInteriorShade (sim)Failed → Verify
Buildings_11Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.SampledModel.OnlyExteriorWallWithWindow (sim)Compile performance 0:04:03 → 0:01:40
Buildings_11Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.SampledModel.OnlyExteriorWallWithWindowExteriorShade (sim)Compile performance 0:01:45 → 0:03:54
Buildings_12Buildings.DHC.Plants.Steam.BaseClasses.Examples.BoilerPolynomial (sim)Simulate → Compile
Buildings_12Buildings.Examples.ScalableBenchmarks.BuildingVAV.Examples.OneFloor_OneZone (sim)Compile → Failed
Buildings_12Buildings.Fluid.Geothermal.Aquifer.Examples.CoolingOffice (sim)Verify → Failed
Buildings_12Buildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)Simulate performance 0:07:02 → 0.31
Buildings_12Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case610 (sim)Compile → Failed
Buildings_12Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case650FF (sim)Verify → Failed
Buildings_12Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case660 (sim)Failed → Compile
Buildings_12Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case900 (sim)Compile → Failed
Buildings_12Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case900FF (sim)Verify → Failed
Buildings_12Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case910 (sim)Failed → Compile
Buildings_12Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case940 (sim)Compile → Failed
Buildings_12Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case950 (sim)Failed → Verify
Buildings_12Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindowExteriorShade (sim)Failed → Verify
Buildings_12Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindowInteriorShade (sim)Verify → Failed
Buildings_latestBuildings.DHC.Plants.Steam.Examples.SingleBoiler (sim)Compile → Verify
Buildings_latestBuildings.Fluid.Geothermal.Aquifer.Examples.CoolingOffice (sim)Verify → Failed
Buildings_latestBuildings.Fluid.HeatExchangers.RadiantSlabs.Examples.SingleCircuitMultipleCircuitFiniteDifference (sim)Compile performance 0:01:18 → 0:02:56
Buildings_latestBuildings.ThermalZones.Detailed.Examples.FFD.WindowWithShade (sim)Compile → Failed
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case600 (sim)Compile → Failed
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case685 (sim)Verify → Failed
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case695 (sim)Failed → Verify
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case900 (sim)Failed → Compile
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case900FF (sim)Verify → Failed
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case950 (sim)Failed → Compile
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case950FF (sim)Verify → Failed
Buildings_latestBuildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindow (sim)Failed → Verify
Buildings_latestBuildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindowExteriorShade (sim)Compile performance 0:02:45 → 0:04:41
Buildings_latestBuildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindowInteriorShade (sim)Verify → Failed
Buildings_latestBuildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.SampledModel.OnlyExteriorWallWithWindowInteriorShade (sim)Compile → Failed
Chemical_masterChemical.Obsolete.Examples.Hemoglobin.Joels57 (sim)Compile performance 0:02:58 → 0:07:16
ClaRaClaRa.Components.Furnace.Check.Test_burner_adiabatic_fuelDrying (sim)Compile → Failed
GreenhousesGreenhouses.Examples.Greenhouse_2 (sim)Compile performance 0:07:49 → 0:03:55
Modelica_3.2.3Modelica.Electrical.Analog.Examples.ControlledSwitchWithArc (sim)Compile → Simulate
Modelica_3.2.3Modelica.Electrical.PowerConverters.Examples.ACDC.RectifierCenterTap2mPulse.ThyristorCenterTap2mPulse_RL (sim)Simulate → Compile
Modelica_3.2.3Modelica.Electrical.PowerConverters.Examples.DCAC.MultiPhaseTwoLevel.MultiPhaseTwoLevel_RL (sim)Simulate → Compile
Modelica_4.0.0Modelica.Electrical.Analog.Examples.ControlledSwitchWithArc (sim)Simulate → Compile
Modelica_4.0.0Modelica.Electrical.Analog.Examples.OpAmps.Multivibrator (sim)Compile → Simulate
Modelica_4.1.0Modelica.Blocks.Examples.Rectifier6pulseFFT (sim)Compile performance 0:03:47 → 0:02:04
Modelica_4.1.0Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMEE_Rectifier (sim)Simulate → Compile
Modelica_trunkModelica.Electrical.PowerConverters.Examples.ACAC.Dimmer_RL (sim)Compile → Simulate
Modelica_trunkModelica.Electrical.PowerConverters.Examples.ACAC.SoftStarter (sim)Compile → Simulate
Modelica_trunkModelica.Electrical.PowerConverters.Examples.ACDC.RectifierBridge2Pulse.ThyristorBridge2Pulse_DC_Drive (sim)Simulate → Compile
Modelica_trunkModelica.Electrical.PowerConverters.Examples.ACDC.RectifierCenterTap2mPulse.ThyristorCenterTap2mPulse_RL (sim)Simulate → Compile
Modelica_trunkModelica.Electrical.PowerConverters.Examples.DCDC.HBridge.HBridge_DC_Drive (sim)Compile → Simulate
Modelica_trunkModelica.Magnetic.FluxTubes.Examples.BasicExamples.QuadraticCoreAirgap (sim)Compile performance 22.61 → 11.98
Modelica_trunkModelica.Magnetic.FluxTubes.Examples.BasicExamples.ToroidalCoreAirgap (sim)Compile performance 20.74 → 11.82
Modelica_trunkModelica.Magnetic.FluxTubes.Examples.BasicExamples.ToroidalCoreQuadraticCrossSection (sim)Compile performance 22.17 → 11.79
OpenIPSLOpenIPSL.Examples.NamsskoganGrid.Grid_Model (sim)Simulate performance 26.83 → 50.34
OpenIPSLOpenIPSL.Examples.TwoAreas.Two_Areas_PSAT (sim)Simulate performance 4.43 → 13.89
OpenIPSLOpenIPSL.Tests.Machines.PSAT.Order3test2 (sim)Simulate performance 10.43 → 0.47
OpenIPSL_2.0.0OpenIPSL.Examples.IEEE14.IEEE_14_Buses (sim)Simulate performance 14.24 → 24.53
OpenIPSL_2.0.0OpenIPSL.Examples.TwoAreas.Two_Areas_PSAT (sim)Simulate performance 14.78 → 4.94
OpenIPSL_2.0.0OpenIPSL.Tests.Controls.PSAT.OEL.AVRTypeII_OEL_Test (sim)Compile → Simulate
PowerSystemsPowerSystems.Examples.AC1ph_DC.Inverters.InverterToGrid (sim)Simulate → Compile
PowerSystems_latestPowerSystems.Examples.AC1ph_DC.Inverters.InverterToGrid (sim)Verify → Compile
SOFCPoliMiSOFCPoliMi.Tests.BenchmarkSalogniColonnaIEA (sim)Compile → Failed
ScalableTestGrids_nooptScalableTestGrids.Models.Type2.Type2_noTap___N_3_M_4 (sim)
ScalableTestGrids_nooptScalableTestGrids.Models.Type2.Type2_tapNoEv_N_3_M_4 (sim)
ScalableTestSuiteScalableTestSuite.Elementary.ParameterArrays.ScaledExperiments.Table_N_70_M_70 (sim)Compile performance 0:01:02 → 0:02:45
ScalableTestSuiteScalableTestSuite.Mechanical.Strings.ScaledExperiments.StringModelica_N_32 (sim)Compile performance 0:02:29 → 0:04:28
ThermofluidStreamThermofluidStream.Examples.ReverseHeatPump (sim)Verify → Compile