OpenModelica master-fmi-fmpy from 2026-02-09 13:50:24 to 2026-02-11 03:59:24

Summary

OMC Commits2
Libraries Changed3
Number of Improvements26
Number of Regressions25
Number of Performance Improvements2
Number of Performance Regressions7

OpenModelica Changes

CommitDateAuthorSummary
d9115be9722026-02-11 00:18:41 +0100Per ÖstlundFix getModelInstance context for inherited components (#15015)
e67c4373032026-02-09 19:57:43 +0100linuslangenkamp[GBODE] add higher order Radau methods (#15008)

OpenModelicaLibraryTesting Changes

CommitDateAuthorSummary
369beff2026-02-11 13:37:38 +0100John TinnerholmAdded a test job using IDA as default solver, with the same frequency as GBODE and CVODE. (#265)
d5e922d2026-02-11 12:07:11 +0100John TinnerholmUpdate MTK from 10 to 11 (#268)

Library Changes

LibraryChange
Buildings_11From version 11.1.1-maint.11.x (https://github.com/lbl-srg/modelica-buildings/archive/254e01f32e98d858520974224ea7bfe910a6cd17.zip) usage: __main__.py [-h] [--version] [--validate] [--start-time START_TIME] FMPy version: 0.3.21 Python version: 3.10.12 (main, Jan 8 2026, 06:52:19) [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/12f5f1987db61d7bf56fed5e07af2dd807f74cfa.zip) usage: __main__.py [-h] [--version] [--validate] [--start-time START_TIME] FMPy version: 0.3.21 Python version: 3.10.12 (main, Jan 8 2026, 06:52:19) [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/dc8271c94dfae385197c365261987d195bc6f33f.zip) usage: __main__.py [-h] [--version] [--validate] [--start-time START_TIME] FMPy version: 0.3.21 Python version: 3.10.12 (main, Jan 8 2026, 06:52:19) [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/dd669cd3afb9037db278f6f68f9591d2dff03fbd.zip) usage: __main__.py [-h] [--version] [--validate] [--start-time START_TIME] FMPy version: 0.3.21 Python version: 3.10.12 (main, Jan 8 2026, 06:52:19) [GCC 11.4.0] --version show program's version number and exit
Modelica_trunkFrom version trunk (https://github.com/OpenModelica/OpenModelica-ModelicaStandardLibrary/archive/78fd42a0e851e069898c7663e69ac04773a7a27c.zip) usage: __main__.py [-h] [--version] [--validate] [--start-time START_TIME] FMPy version: 0.3.21 Python version: 3.10.12 (main, Jan 8 2026, 06:52:19) [GCC 11.4.0] --version show program's version number and exit to trunk (https://github.com/OpenModelica/OpenModelica-ModelicaStandardLibrary/archive/ac6cf6b5442e9e949504abd97fc8d3381da19ae4.zip) usage: __main__.py [-h] [--version] [--validate] [--start-time START_TIME] FMPy version: 0.3.21 Python version: 3.10.12 (main, Jan 8 2026, 06:52:19) [GCC 11.4.0] --version show program's version number and exit

Models Affected

Buildings_11Buildings.DHC.ETS.Combined.Examples.ChillerOnly (sim)Compile → Failed
Buildings_11Buildings.DHC.ETS.Combined.Validation.ChillerOnly (sim)Failed → Verify
Buildings_11Buildings.DHC.Loads.Combined.Examples.BuildingTimeSeriesWithETS (sim)Failed → Compile
Buildings_11Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case600FF (sim)Failed → Verify
Buildings_11Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case900FF (sim)Verify → Failed
Buildings_11Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindowInteriorShade (sim)Compile performance 0:02:07 → 0:03:46
Buildings_12Buildings.Applications.DataCenters.ChillerCooled.Examples.NonIntegratedPrimarySecondaryEconomizer (sim)Failed → Compile
Buildings_12Buildings.DHC.ETS.Combined.Examples.ChillerOnly (sim)Verify → Failed
Buildings_12Buildings.DHC.Loads.Combined.Examples.BuildingTimeSeriesWithETSDHWTank (sim)Compile → Failed
Buildings_12Buildings.DHC.Loads.Cooling.Examples.BuildingTimeSeriesWithETS (sim)Verify → Compile
Buildings_12Buildings.Fluid.DXSystems.Cooling.BaseClasses.Examples.EvaporationPulse (sim)Compile → Simulate
Buildings_12Buildings.Fluid.HydronicConfigurations.ActiveNetworks.Examples.DecouplingMixing (sim)Simulate performance 0.47 → 18.08
Buildings_12Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case610 (sim)Failed → Compile
Buildings_12Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case900FF (sim)Failed → Verify
Buildings_12Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case940 (sim)Compile → Failed
Buildings_12Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindow (sim)Failed → Verify
Buildings_12Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindowInteriorShade (sim)Verify → Failed
Buildings_12Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.SampledModel.OnlyExteriorWallWithWindowExteriorShade (sim)Compile performance 0:02:20 → 0:04:18
Buildings_12Buildings.ThermalZones.EnergyPlus_24_2_0.Examples.SmallOffice.ASHRAE2006Summer (sim)Failed → Compile
Buildings_latestBuildings.DHC.Loads.Combined.Examples.BuildingTimeSeriesWithETS (sim)Compile → Failed
Buildings_latestBuildings.DHC.Plants.Steam.Examples.SingleBoiler (sim)Verify → Compile
Buildings_latestBuildings.Fluid.HeatExchangers.Validation.WetCoilEffectivenessNTUHeating (sim)Failed → Verify
Buildings_latestBuildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)Simulate performance 0.28 → 0:14:02
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case600FF (sim)Verify → Failed
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case670 (sim)Compile → Failed
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case910 (sim)Failed → Verify
Buildings_latestBuildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindowExteriorShade (sim)Failed → Verify
Buildings_latestBuildings.ThermalZones.EnergyPlus_24_2_0.Examples.SmallOffice.ASHRAE2006Spring (sim)Compile → Failed
Chemical_masterChemical.Obsolete.Examples.Hemoglobin.Joels57 (sim)Compile performance 0:08:49 → 0:04:21
EHPTexamplesEHPTexamples.PSD.PSecu1 (sim)Simulate → Compile
EHPTexamplesEHPTexamples.SHEV.SHEVpowerFiltSoc (sim)Simulate → Compile
EHPTexamples_latestEHPTexamples.PSD.PSecu1 (sim)Simulate → Compile
EHPTexamples_latestEHPTexamples.SHEV.SHEVpowerFiltSoc (sim)Simulate → Compile
GreenhousesGreenhouses.Examples.GlobalSystem_1 (sim)Compile → Failed
IDEASIDEAS.Examples.Tutorial.Example5 (sim)Failed → Simulate
IDEASIDEAS.Examples.Tutorial.Example6 (sim)Failed → Compile
IDEASIDEAS.Examples.Tutorial.Example7 (sim)Failed → Compile
IDEASIDEAS.Examples.Tutorial.Example8 (sim)Failed → Compile
IDEASIDEAS.Fluid.Geothermal.Borefields.Validation.ConstantHeatInjection_100Boreholes (sim)Compile → Failed
LEPSE_mainLEPSE.Examples.KKT_1 (sim)Simulate → Verify
Modelica_3.2.3Modelica.Electrical.Analog.Examples.ControlledSwitchWithArc (sim)Compile → Simulate
Modelica_3.2.3Modelica.Electrical.Analog.Examples.OpAmps.Multivibrator (sim)Simulate → Compile
Modelica_3.2.3Modelica.Electrical.PowerConverters.Examples.ACDC.RectifierCenterTap2mPulse.ThyristorCenterTap2mPulse_RL (sim)Compile → Simulate
Modelica_3.2.3Modelica.Magnetic.FluxTubes.Examples.Hysteresis.SinglePhaseTransformerWithHysteresis2 (sim)Compile → Simulate
Modelica_3.2.3Modelica.Mechanics.MultiBody.Examples.Loops.EngineV6 (sim)Failed → Simulate
Modelica_4.0.0Modelica.Electrical.Analog.Examples.ControlledSwitchWithArc (sim)Simulate → Compile
Modelica_4.0.0Modelica.Mechanics.MultiBody.Examples.Loops.EngineV6 (sim)Simulate → Failed
Modelica_4.1.0Modelica.Electrical.Analog.Examples.OpAmps.Multivibrator (sim)Simulate → Compile
Modelica_trunkModelica.Electrical.PowerConverters.Examples.ACDC.RectifierCenterTap2mPulse.ThyristorCenterTap2mPulse_RL (sim)Simulate → Compile
Modelica_trunkModelica.Electrical.PowerConverters.Examples.ACDC.RectifierCenterTapmPulse.ThyristorCenterTapmPulse_R (sim)Compile → Simulate
OpenIPSLOpenIPSL.Tests.Machines.PSAT.Order3test2_AVR (sim)Compile → Simulate
OpenIPSL_2.0.0OpenIPSL.Examples.TwoAreas.Two_Areas_PSAT (sim)Simulate performance 4.75 → 14.20
OpenIPSL_2.0.0OpenIPSL.Tests.Controls.PSAT.OEL.AVRTypeII_OEL_Test (sim)Simulate → Compile
OpenIPSL_2.0.0OpenIPSL.Tests.Controls.PSAT.TG.TGTypeIV_test (sim)Compile → Simulate
OpenIPSL_devOpenIPSL.Examples.TwoAreas.Two_Areas_PSAT (sim)Simulate performance 14.92 → 6.20
OpenIPSL_devOpenIPSL.Tests.Machines.PSAT.Order3test2 (sim)Simulate performance 0.50 → 14.89
PhysiolibraryPhysiolibrary.Fluid.Examples.BloodGasesTransport.BloodyMary (sim)Compile performance 0:03:03 → 0:10:02
PowerSystems_latestPowerSystems.Examples.AC1ph_DC.Inverters.InverterToGrid (sim)Compile → Verify
ScalableTestSuiteScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_32 (sim)Simulate → Failed
ScalableTestSuiteScalableTestSuite.Mechanical.Strings.ScaledExperiments.StringModelica_N_32 (sim)Failed → Verify