OpenModelica v1.25-fmi from 2026-03-02 12:29:14 to 2026-03-08 10:36:46

Summary

OMC Commits0
Libraries Changed15
Number of Improvements22
Number of Regressions23
Number of Performance Improvements0
Number of Performance Regressions11

OpenModelica Changes

CommitDateAuthorSummary

OpenModelicaLibraryTesting Changes

CommitDateAuthorSummary
3cc869b2026-03-06 17:57:30 +0100Adrian Popdisable 1.24 and add 1.26 (#274)
01ac33b2026-02-24 13:36:37 +0100Per ÖstlundAdd illegalConditionalContext flag to AES and Dynawo

Library Changes

LibraryChange
AixLibFrom version 2.1.1 (https://github.com/RWTH-EBC/AixLib/archive/b9d4d88d1fb38511d2af0958f11855c14064841a.zip) warning: Failed to load settings: [json.exception.parse_error.101] parse error at line 4, column 1: syntax error while parsing value - unexpected '}'; expected end of input OMSimulator v3.0.0.post124-gcaee6d0-linux-debug info: 1 warnings info: 0 errors to 2.1.1 (https://github.com/RWTH-EBC/AixLib/archive/b9d4d88d1fb38511d2af0958f11855c14064841a.zip) warning: Failed to load settings: [json.exception.parse_error.101] parse error at line 4, column 1: syntax error while parsing value - unexpected '}'; expected end of input OMSimulator v3.0.0.post125-gfa661c0-linux-debug info: 1 warnings info: 0 errors
BuildingSystemsFrom version 2.0.0-master (37f23a121434b999f66f0bf7ee16bb67ad8b2b83) warning: Failed to load settings: [json.exception.parse_error.101] parse error at line 4, column 1: syntax error while parsing value - unexpected '}'; expected end of input OMSimulator v3.0.0.post124-gcaee6d0-linux-debug info: 1 warnings info: 0 errors to 2.0.0-master (37f23a121434b999f66f0bf7ee16bb67ad8b2b83) warning: Failed to load settings: [json.exception.parse_error.101] parse error at line 4, column 1: syntax error while parsing value - unexpected '}'; expected end of input OMSimulator v3.0.0.post125-gfa661c0-linux-debug info: 1 warnings info: 0 errors
Buildings_11From version 11.1.1-maint.11.x (https://github.com/lbl-srg/modelica-buildings/archive/12f5f1987db61d7bf56fed5e07af2dd807f74cfa.zip) warning: Failed to load settings: [json.exception.parse_error.101] parse error at line 4, column 1: syntax error while parsing value - unexpected '}'; expected end of input OMSimulator v3.0.0.post124-gcaee6d0-linux-debug info: 1 warnings info: 0 errors to 11.1.1-maint.11.x (https://github.com/lbl-srg/modelica-buildings/archive/12f5f1987db61d7bf56fed5e07af2dd807f74cfa.zip) warning: Failed to load settings: [json.exception.parse_error.101] parse error at line 4, column 1: syntax error while parsing value - unexpected '}'; expected end of input OMSimulator v3.0.0.post125-gfa661c0-linux-debug info: 1 warnings info: 0 errors
Buildings_12From version 12.1.1-maint.12.x (https://github.com/lbl-srg/modelica-buildings/archive/72423dd099c34c383be7b88ae280b1f5c1589d60.zip) warning: Failed to load settings: [json.exception.parse_error.101] parse error at line 4, column 1: syntax error while parsing value - unexpected '}'; expected end of input OMSimulator v3.0.0.post124-gcaee6d0-linux-debug info: 1 warnings info: 0 errors to 12.1.1-maint.12.x (https://github.com/lbl-srg/modelica-buildings/archive/72423dd099c34c383be7b88ae280b1f5c1589d60.zip) warning: Failed to load settings: [json.exception.parse_error.101] parse error at line 4, column 1: syntax error while parsing value - unexpected '}'; expected end of input OMSimulator v3.0.0.post125-gfa661c0-linux-debug info: 1 warnings info: 0 errors
Buildings_latestFrom version 13.0.0-master (https://github.com/lbl-srg/modelica-buildings/archive/1f67375e87d757b33c66d2ee2b5681bbabf59246.zip) warning: Failed to load settings: [json.exception.parse_error.101] parse error at line 4, column 1: syntax error while parsing value - unexpected '}'; expected end of input OMSimulator v3.0.0.post124-gcaee6d0-linux-debug info: 1 warnings info: 0 errors to 13.0.0-master (https://github.com/lbl-srg/modelica-buildings/archive/1f67375e87d757b33c66d2ee2b5681bbabf59246.zip) warning: Failed to load settings: [json.exception.parse_error.101] parse error at line 4, column 1: syntax error while parsing value - unexpected '}'; expected end of input OMSimulator v3.0.0.post125-gfa661c0-linux-debug info: 1 warnings info: 0 errors
GreenhousesFrom version 1.0.0-master (845525ed51e3048447839e8896e25f3690c02eb9) warning: Failed to load settings: [json.exception.parse_error.101] parse error at line 4, column 1: syntax error while parsing value - unexpected '}'; expected end of input OMSimulator v3.0.0.post124-gcaee6d0-linux-debug info: 1 warnings info: 0 errors to 1.0.0-master (845525ed51e3048447839e8896e25f3690c02eb9) warning: Failed to load settings: [json.exception.parse_error.101] parse error at line 4, column 1: syntax error while parsing value - unexpected '}'; expected end of input OMSimulator v3.0.0.post125-gfa661c0-linux-debug info: 1 warnings info: 0 errors
IBPSA_latestFrom version 4.0.0-master (bd5094710f553aa3edc68f8f725dcc111abf6878) warning: Failed to load settings: [json.exception.parse_error.101] parse error at line 4, column 1: syntax error while parsing value - unexpected '}'; expected end of input OMSimulator v3.0.0.post124-gcaee6d0-linux-debug info: 1 warnings info: 0 errors to 4.0.0-master (bd5094710f553aa3edc68f8f725dcc111abf6878) warning: Failed to load settings: [json.exception.parse_error.101] parse error at line 4, column 1: syntax error while parsing value - unexpected '}'; expected end of input OMSimulator v3.0.0.post125-gfa661c0-linux-debug info: 1 warnings info: 0 errors
IDEASFrom version 3.0.0 (https://github.com/open-ideas/IDEAS/archive/a7be00b7e07943c0acda1b5799a8d32bea896d7b.zip) warning: Failed to load settings: [json.exception.parse_error.101] parse error at line 4, column 1: syntax error while parsing value - unexpected '}'; expected end of input OMSimulator v3.0.0.post124-gcaee6d0-linux-debug info: 1 warnings info: 0 errors to 3.0.0 (https://github.com/open-ideas/IDEAS/archive/a7be00b7e07943c0acda1b5799a8d32bea896d7b.zip) warning: Failed to load settings: [json.exception.parse_error.101] parse error at line 4, column 1: syntax error while parsing value - unexpected '}'; expected end of input OMSimulator v3.0.0.post125-gfa661c0-linux-debug info: 1 warnings info: 0 errors
Modelica_3.2.3From version 3.2.3+maint.om (https://github.com/OpenModelica/OpenModelica-ModelicaStandardLibrary/archive/efd981a1176f124938d6d6759f7c09e0fbf55ddf.zip) warning: Failed to load settings: [json.exception.parse_error.101] parse error at line 4, column 1: syntax error while parsing value - unexpected '}'; expected end of input OMSimulator v3.0.0.post124-gcaee6d0-linux-debug info: 1 warnings info: 0 errors to 3.2.3+maint.om (https://github.com/OpenModelica/OpenModelica-ModelicaStandardLibrary/archive/efd981a1176f124938d6d6759f7c09e0fbf55ddf.zip) warning: Failed to load settings: [json.exception.parse_error.101] parse error at line 4, column 1: syntax error while parsing value - unexpected '}'; expected end of input OMSimulator v3.0.0.post125-gfa661c0-linux-debug info: 1 warnings info: 0 errors
Modelica_4.1.0From version 4.1.0+maint.om (https://github.com/OpenModelica/OpenModelica-ModelicaStandardLibrary/archive/7a4bf7de77a3986e8eb1e88cbb515d646f78f834.zip) warning: Failed to load settings: [json.exception.parse_error.101] parse error at line 4, column 1: syntax error while parsing value - unexpected '}'; expected end of input OMSimulator v3.0.0.post124-gcaee6d0-linux-debug info: 1 warnings info: 0 errors to 4.1.0+maint.om (https://github.com/OpenModelica/OpenModelica-ModelicaStandardLibrary/archive/7a4bf7de77a3986e8eb1e88cbb515d646f78f834.zip) warning: Failed to load settings: [json.exception.parse_error.101] parse error at line 4, column 1: syntax error while parsing value - unexpected '}'; expected end of input OMSimulator v3.0.0.post125-gfa661c0-linux-debug info: 1 warnings info: 0 errors
OpenIPSL_devFrom version 3.2.0-dev (https://github.com/OpenIPSL/OpenIPSL/archive/7e3b984931877109581be88fa149fa982f845186.zip) warning: Failed to load settings: [json.exception.parse_error.101] parse error at line 4, column 1: syntax error while parsing value - unexpected '}'; expected end of input OMSimulator v3.0.0.post124-gcaee6d0-linux-debug info: 1 warnings info: 0 errors to 3.2.0-dev (https://github.com/OpenIPSL/OpenIPSL/archive/2be0558ab43f8dc40f652f7390822d53ed6ae7e7.zip) warning: Failed to load settings: [json.exception.parse_error.101] parse error at line 4, column 1: syntax error while parsing value - unexpected '}'; expected end of input OMSimulator v3.0.0.post125-gfa661c0-linux-debug info: 1 warnings info: 0 errors
PhysiolibraryFrom version 3.0.0 (https://github.com/MarekMatejak/Physiolibrary/archive/0ef8b5848b8bd08912a1713d0641b6bb03c3e3b2.zip) warning: Failed to load settings: [json.exception.parse_error.101] parse error at line 4, column 1: syntax error while parsing value - unexpected '}'; expected end of input OMSimulator v3.0.0.post124-gcaee6d0-linux-debug info: 1 warnings info: 0 errors to 3.0.0 (https://github.com/MarekMatejak/Physiolibrary/archive/0ef8b5848b8bd08912a1713d0641b6bb03c3e3b2.zip) warning: Failed to load settings: [json.exception.parse_error.101] parse error at line 4, column 1: syntax error while parsing value - unexpected '}'; expected end of input OMSimulator v3.0.0.post125-gfa661c0-linux-debug info: 1 warnings info: 0 errors
ScalableTestGrids_nooptFrom version 1.2.0 (https://github.com/PowerGrids/ScalableTestGrids/archive/f18d08e87f948a85992343913e1adfd7d24cad95.zip) warning: Failed to load settings: [json.exception.parse_error.101] parse error at line 4, column 1: syntax error while parsing value - unexpected '}'; expected end of input OMSimulator v3.0.0.post124-gcaee6d0-linux-debug info: 1 warnings info: 0 errors to 1.2.0 (https://github.com/PowerGrids/ScalableTestGrids/archive/f18d08e87f948a85992343913e1adfd7d24cad95.zip) warning: Failed to load settings: [json.exception.parse_error.101] parse error at line 4, column 1: syntax error while parsing value - unexpected '}'; expected end of input OMSimulator v3.0.0.post125-gfa661c0-linux-debug info: 1 warnings info: 0 errors
ScalableTestSuiteFrom version 2.2.0-master (ce9eedecd9f6c487d11cfc2ed9724e75c0229323) warning: Failed to load settings: [json.exception.parse_error.101] parse error at line 4, column 1: syntax error while parsing value - unexpected '}'; expected end of input OMSimulator v3.0.0.post124-gcaee6d0-linux-debug info: 1 warnings info: 0 errors to 2.2.0-master (ce9eedecd9f6c487d11cfc2ed9724e75c0229323) warning: Failed to load settings: [json.exception.parse_error.101] parse error at line 4, column 1: syntax error while parsing value - unexpected '}'; expected end of input OMSimulator v3.0.0.post125-gfa661c0-linux-debug info: 1 warnings info: 0 errors
ThermoSysProFrom version 4.1.0-master (d3d2cc3b84b8a030c61907756c263e7140061f41) warning: Failed to load settings: [json.exception.parse_error.101] parse error at line 4, column 1: syntax error while parsing value - unexpected '}'; expected end of input OMSimulator v3.0.0.post124-gcaee6d0-linux-debug info: 1 warnings info: 0 errors to 4.1.0-master (d3d2cc3b84b8a030c61907756c263e7140061f41) warning: Failed to load settings: [json.exception.parse_error.101] parse error at line 4, column 1: syntax error while parsing value - unexpected '}'; expected end of input OMSimulator v3.0.0.post125-gfa661c0-linux-debug info: 1 warnings info: 0 errors

Models Affected

AixLibAixLib.ThermalZones.ReducedOrder.Examples.MultizonePartlyCooled (sim)Compile performance 0:03:02 → 0:05:48
BuildingSystemsBuildingSystems.Buildings.Examples.BuildingHygroThermal1Zone1D (sim)Simulate → Compile
BuildingSystemsBuildingSystems.Fluid.Geothermal.Aquifer.Validation.NumberWells (sim)Simulate → Failed
Buildings_11Buildings.Applications.DataCenters.ChillerCooled.Examples.NonIntegratedPrimarySecondaryEconomizer (sim)Failed → Verify
Buildings_11Buildings.DHC.ETS.Combined.Validation.ChillerOnly (sim)Failed → Verify
Buildings_11Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case660 (sim)Failed → Compile
Buildings_11Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case900FF (sim)Failed → Verify
Buildings_11Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case940 (sim)Simulate → Failed
Buildings_11Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindowInteriorShade (sim)Verify → Failed
Buildings_11Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.SampledModel.OnlyExteriorWallWithWindowInteriorShade (sim)Failed → Verify
Buildings_12Buildings.DHC.ETS.Combined.Examples.ChillerOnly (sim)Failed → Verify
Buildings_12Buildings.DHC.ETS.Combined.Validation.ChillerOnly (sim)Simulate → Failed
Buildings_12Buildings.Fluid.Geothermal.Aquifer.Examples.CoolingOffice (sim)Failed → Verify
Buildings_12Buildings.Fluid.HeatExchangers.Validation.WetCoilEffectivenessNTUCounterFlow (sim)Failed → Verify
Buildings_12Buildings.Templates.Components.Validation.Coils (sim)Compile → Verify
Buildings_12Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case600FF (sim)Failed → Verify
Buildings_12Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case610 (sim)Failed → Simulate
Buildings_12Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case660 (sim)Compile → Failed
Buildings_12Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case670 (sim)Failed → Compile
Buildings_12Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case900 (sim)Compile → Failed
Buildings_12Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindowExteriorShade (sim)Verify → Failed
Buildings_12Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindowInteriorShade (sim)Verify → Failed
Buildings_12Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.SampledModel.OnlyExteriorWallWithWindowExteriorShade (sim)Verify → Failed
Buildings_12Buildings.ThermalZones.EnergyPlus_24_2_0.Examples.SmallOffice.ASHRAE2006Spring (sim)Failed → Compile
Buildings_latestBuildings.DHC.Loads.BaseClasses.Examples.CouplingSpawnZ6 (sim)Failed → Compile
Buildings_latestBuildings.Templates.Components.Validation.Coils (sim)Compile → Verify
Buildings_latestBuildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)Simulate performance 6.77 → 0:14:02
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case600 (sim)Failed → Simulate
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case640 (sim)Simulate → Failed
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case650FF (sim)Failed → Verify
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case685 (sim)Simulate → Failed
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case900 (sim)Failed → Compile
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case910 (sim)Compile → Failed
Buildings_latestBuildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindowExteriorShade (sim)Failed → Verify
Buildings_latestBuildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.SampledModel.OnlyExteriorWallWithWindow (sim)Verify → Failed
Buildings_latestBuildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.SampledModel.OnlyExteriorWallWithWindowInteriorShade (sim)Verify → Failed
Buildings_latestBuildings.ThermalZones.EnergyPlus_24_2_0.Examples.SmallOffice.ASHRAE2006Summer (sim)Failed → Compile
Buildings_latestBuildings.ThermalZones.EnergyPlus_24_2_0.Examples.SmallOffice.ASHRAE2006Winter (sim)Failed → Compile
GreenhousesGreenhouses.Examples.GlobalSystem_2 (sim)Compile → Failed
IBPSA_latestIBPSA.Airflow.Multizone.Examples.CO2TransportStep (sim)Compile performance 18.00 → 33.27
IBPSA_latestIBPSA.Airflow.Multizone.Examples.ChimneyShaftNoVolume (sim)Compile performance 15.95 → 33.71
IBPSA_latestIBPSA.Fluid.Geothermal.Aquifer.Validation.NumberWells (sim)Simulate → Failed
IBPSA_latestIBPSA.Fluid.Geothermal.Borefields.Validation.ConstantHeatInjection_100Boreholes (sim)Compile → Failed
IDEASIDEAS.Examples.Tutorial.Example9 (sim)Failed → Simulate
Modelica_3.2.3Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.InductionMachines.IMC_Initialize (sim)Simulate → Compile
Modelica_3.2.3Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.InductionMachines.IMS_Start (sim)Simulate performance 7.45 → 18.62
Modelica_3.2.3Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMPM_CurrentSource (sim)Simulate performance 6.28 → 17.12
Modelica_3.2.3Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMPM_Mains (sim)Simulate performance 3.43 → 14.06
Modelica_4.1.0Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.InductionMachines.IMC_Initialize (sim)Simulate → Compile
Modelica_4.1.0Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMEE_Generator (sim)Simulate performance 8.80 → 24.15
Modelica_4.1.0Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMR_CurrentSource (sim)Simulate performance 6.62 → 18.02
Modelica_4.1.0Modelica.Mechanics.MultiBody.Examples.Elementary.DoublePendulum (sim)Simulate performance 0.51 → 11.69
OpenIPSL_devOpenIPSL.Examples.TwoAreas.Two_Areas_PSAT (sim)Simulate → Compile
PhysiolibraryPhysiolibrary.Fluid.Examples.BloodGasesTransport.BloodyMary (sim)Compile performance 0:03:00 → 0:10:07
ScalableTestGrids_nooptScalableTestGrids.Models.Type1.Type1_reduced_N_3_M_4 (sim)
ScalableTestGrids_nooptScalableTestGrids.Models.Type2.Type2_noTap___N_3_M_4 (sim)
ScalableTestGrids_nooptScalableTestGrids.Models.Type2.Type2_noTap___N_4_M_4 (sim)
ScalableTestGrids_nooptScalableTestGrids.Models.Type2.Type2_tapEv___N_3_M_4 (sim)
ScalableTestGrids_nooptScalableTestGrids.Models.Type2.Type2_tapEv___N_4_M_4 (sim)
ScalableTestGrids_nooptScalableTestGrids.Models.Type2.Type2_tapNoEv_N_4_M_4 (sim)
ScalableTestSuiteScalableTestSuite.Electrical.DistributionSystemAC.ScaledExperiments.DistributionSystemLinear_N_14_M_14 (sim)Verify → Failed
ThermoSysProThermoSysPro.Examples.Book.SimpleExamples.SolarCollector.TestFresnelField (sim)Simulate → Compile