OpenModelica v1.25-fmi from 2026-03-08 10:36:46 to 2026-03-20 16:10:08

Summary

OMC Commits0
Libraries Changed16
Number of Improvements43
Number of Regressions17
Number of Performance Improvements10
Number of Performance Regressions3

OpenModelica Changes

CommitDateAuthorSummary

OpenModelicaLibraryTesting Changes

CommitDateAuthorSummary
0e9c5982026-03-25 11:23:03 +0100AndreasDon't fail all-reporst.py when branch history is missing (#278)
281a6792026-03-16 11:21:16 +0100AndreasRemove Base Modelica MTK test (#276)

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.post125-gfa661c0-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.post127-g0b655a2-linux-debug info: 1 warnings info: 0 errors
BuildSysProFrom version 3.7.0 (https://github.com/EDF-TREE/BuildSysPro/archive/7e8198a827d69e7127828bb09b07262ebcb621c9.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 to 3.7.0 (https://github.com/EDF-TREE/BuildSysPro/archive/7e8198a827d69e7127828bb09b07262ebcb621c9.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.post127-g0b655a2-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.post125-gfa661c0-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.post127-g0b655a2-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.post125-gfa661c0-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.post127-g0b655a2-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.post125-gfa661c0-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.post127-g0b655a2-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.post125-gfa661c0-linux-debug info: 1 warnings info: 0 errors to 13.0.0-master (https://github.com/lbl-srg/modelica-buildings/archive/88e7ea4b03cb8226c507cf895296dbbd07ced552.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.post127-g0b655a2-linux-debug info: 1 warnings info: 0 errors
Chemical_masterFrom version 2.0.1-master (218185566941eeb217279cbad000583ee70836a1) 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 to 2.0.1-master (b579ba4ab75168c02f3c7a7a3e3efa17231f4b33) 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.post127-g0b655a2-linux-debug info: 1 warnings info: 0 errors
ClaRaFrom version 1.9.0 (https://github.com/xrg-simulation/ClaRa-official/archive/d0b3d7d61cbf534db51ada4217b4aaea9cf5f557.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 to 1.9.0 (https://github.com/xrg-simulation/ClaRa-official/archive/d0b3d7d61cbf534db51ada4217b4aaea9cf5f557.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.post127-g0b655a2-linux-debug info: 1 warnings info: 0 errors
Dynawo_devFrom version 1.8.0-master (9b059db21cf7524b690dc1e780fb470341e2faef) 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 to 1.8.0-master (f46f6aa4ac1da865404196ce63b5b339102d8c4d) 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.post127-g0b655a2-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.post125-gfa661c0-linux-debug info: 1 warnings info: 0 errors to 4.0.0-master (90b1e3313ae61c04ec8bcbf5075380020b00c829) 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.post127-g0b655a2-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.post125-gfa661c0-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.post127-g0b655a2-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.post125-gfa661c0-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.post127-g0b655a2-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.post125-gfa661c0-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.post127-g0b655a2-linux-debug info: 1 warnings info: 0 errors
OpenIPSL_2.0.0From version 2.0.0 (https://github.com/OpenIPSL/OpenIPSL/archive/052ec37cdfd40e6e5506ec146d98afd40fe2792f.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 to 2.0.0 (https://github.com/OpenIPSL/OpenIPSL/archive/052ec37cdfd40e6e5506ec146d98afd40fe2792f.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.post127-g0b655a2-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.post125-gfa661c0-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.post127-g0b655a2-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.post125-gfa661c0-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.post127-g0b655a2-linux-debug info: 1 warnings info: 0 errors

Models Affected

AixLibAixLib.Fluid.Geothermal.Borefields.Validation.ConstantHeatInjection_100Boreholes (sim)Failed → Compile
BuildSysProBuildSysPro.Systems.HVAC.Production.HeatPump.FixedSpeed.Examples.MozartMultizoneHeatingSystem (sim)Compile performance 0:03:10 → 0:06:34
BuildingSystemsBuildingSystems.Applications.PhotovoltaicSystems.PhotovoltaicSystem (sim)Simulate → Compile
BuildingSystemsBuildingSystems.Fluid.Geothermal.Aquifer.Validation.NumberWells (sim)Failed → Simulate
Buildings_11Buildings.DHC.Loads.Combined.Examples.BuildingTimeSeriesWithETS (sim)Compile performance 0:04:23 → 0:02:23
Buildings_11Buildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)Simulate performance 0:07:02 → 4.90
Buildings_11Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case660 (sim)Compile → Failed
Buildings_11Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case670 (sim)Simulate → Failed
Buildings_11Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case900FF (sim)Verify → Failed
Buildings_11Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case940 (sim)Failed → Simulate
Buildings_11Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case950 (sim)Failed → Compile
Buildings_11Buildings.ThermalZones.EnergyPlus_9_6_0.Examples.SmallOffice.ASHRAE2006Spring (sim)Failed → Compile
Buildings_11Buildings.ThermalZones.EnergyPlus_9_6_0.Examples.SmallOffice.ASHRAE2006Summer (sim)Failed → Compile
Buildings_12Buildings.DHC.ETS.Combined.Examples.ChillerOnly (sim)Verify → Failed
Buildings_12Buildings.DHC.ETS.Combined.Validation.ChillerOnly (sim)Failed → Simulate
Buildings_12Buildings.Fluid.Geothermal.Aquifer.Examples.CoolingOffice (sim)Verify → Failed
Buildings_12Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case600FF (sim)Verify → Failed
Buildings_12Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case610 (sim)Simulate → Failed
Buildings_12Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case900FF (sim)Failed → Verify
Buildings_12Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case910 (sim)Compile → Failed
Buildings_12Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case940 (sim)Failed → Simulate
Buildings_12Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindowExteriorShade (sim)Failed → Verify
Buildings_12Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindowInteriorShade (sim)Failed → Verify
Buildings_12Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.SampledModel.OnlyExteriorWallWithWindowExteriorShade (sim)Failed → Verify
Buildings_12Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.SampledModel.OnlyExteriorWallWithWindowInteriorShade (sim)Compile performance 0:02:35 → 0:04:31
Buildings_12Buildings.ThermalZones.EnergyPlus_24_2_0.Examples.SmallOffice.ASHRAE2006Summer (sim)Failed → Compile
Buildings_latestBuildings.DHC.Loads.BaseClasses.Examples.CouplingSpawnZ6 (sim)Compile → Failed
Buildings_latestBuildings.DHC.Loads.Combined.Examples.BuildingTimeSeriesWithETS (sim)Compile → Failed
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case600 (sim)Simulate → Failed
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case650FF (sim)Verify → Failed
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case900 (sim)Compile → Simulate
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case900FF (sim)Failed → Verify
Buildings_latestBuildings.ThermalZones.EnergyPlus_24_2_0.Examples.SmallOffice.ASHRAE2006Spring (sim)Failed → Compile
Chemical_masterChemical.Examples.EnzymeKinetics (sim)Failed → FrontEnd
Chemical_masterChemical.Examples.ExothermicReaction (sim)Failed → FrontEnd
Chemical_masterChemical.Examples.HydrogenCombustion (sim)Failed → FrontEnd
Chemical_masterChemical.Examples.OxygenInWater (sim)Failed → SimCode
Chemical_masterChemical.Examples.SimpleForwardReaction (sim)Failed → Simulate
Chemical_masterChemical.Examples.SimpleReaction (sim)Failed → FrontEnd
Chemical_masterChemical.Examples.SimpleReaction2 (sim)Failed → FrontEnd
Chemical_masterChemical.Examples.SimpleReaction22 (sim)Failed → FrontEnd
Chemical_masterChemical.Examples.SimpleReactionInSolution (sim)Failed → FrontEnd
Chemical_masterChemical.Examples.SimpleReactionPathway (sim)Failed → SimCode
Chemical_masterChemical.Examples.SimpleReactionsWithJunction (sim)Failed → FrontEnd
Chemical_masterChemical.Examples.SimpleReactionsWithJunction2 (sim)Failed → FrontEnd
Chemical_masterChemical.Examples.SimpleReactionsWithJunction3 (sim)Failed → FrontEnd
Chemical_masterChemical.Examples.debug.EnzymeKinetics2 (sim)Failed → FrontEnd
Chemical_masterChemical.Examples.debug.EnzymeKinetics2_ (sim)Failed → FrontEnd
Chemical_masterChemical.Examples.debug.EnzymeKinetics3 (sim)Failed → FrontEnd
Chemical_masterChemical.Examples.debug.SimpleReaction2_ (sim)Failed → FrontEnd
Chemical_masterChemical.Examples.debug.SimpleReaction2__ (sim)Failed → FrontEnd
Chemical_masterChemical.Examples.debug.SimpleReaction_back (sim)Failed → FrontEnd
Chemical_masterChemical.Obsolete.Examples.Hemoglobin.Joels57 (sim)Failed → Simulate
Chemical_masterChemical.Processes.Tests.TestFlow (sim)Failed → SimCode
ClaRaClaRa.Components.Furnace.Check.Test_burner_adiabatic_fuelDrying (sim)Verify → Failed
Dynawo_devDynawo.Examples.Photovoltaics.WECC.PVCurrentSource (sim)Simulate → Verify
Dynawo_devDynawo.Examples.Wind.WECC.WTG4ACurrentSource1 (sim)Simulate → Verify
Dynawo_devDynawo.Examples.Wind.WECC.WTG4ACurrentSource2 (sim)Simulate → Verify
IBPSA_latestIBPSA.Airflow.Multizone.Examples.CO2TransportStep (sim)Compile performance 33.27 → 16.23
IBPSA_latestIBPSA.Airflow.Multizone.Examples.ChimneyShaftNoVolume (sim)Compile performance 33.71 → 14.56
IDEASIDEAS.Examples.Tutorial.Example10 (sim)Simulate → Failed
IDEASIDEAS.Examples.Tutorial.Example9 (sim)Simulate → Failed
Modelica_3.2.3Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.InductionMachines.IMC_Initialize (sim)Compile → Simulate
Modelica_3.2.3Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.InductionMachines.IMS_Start (sim)Simulate performance 18.62 → 7.49
Modelica_3.2.3Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMPM_CurrentSource (sim)Simulate performance 17.12 → 5.99
Modelica_3.2.3Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMPM_Mains (sim)Simulate performance 14.06 → 3.15
Modelica_3.2.3Modelica.Mechanics.MultiBody.Examples.Systems.RobotR3.oneAxis (sim)Simulate performance 0.41 → 26.32
Modelica_4.1.0Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.InductionMachines.IMC_Initialize (sim)Compile → Simulate
Modelica_4.1.0Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMEE_Generator (sim)Simulate performance 24.15 → 10.00
Modelica_4.1.0Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMR_CurrentSource (sim)Simulate performance 18.02 → 6.12
Modelica_4.1.0Modelica.Mechanics.MultiBody.Examples.Elementary.DoublePendulum (sim)Simulate performance 11.69 → 1.05
OpenIPSL_2.0.0OpenIPSL.Tests.ThreePhase.IEEE13 (sim)Simulate → Compile
ScalableTestGrids_nooptScalableTestGrids.Models.Type1.Type1_N_3_M_4 (sim)
ScalableTestGrids_nooptScalableTestGrids.Models.Type1.Type1_reduced_N_2_M_4 (sim)
ScalableTestGrids_nooptScalableTestGrids.Models.Type1.Type1_reduced_N_3_M_4 (sim)
ScalableTestGrids_nooptScalableTestGrids.Models.Type2.Type2_tapEv___N_4_M_4 (sim)
ScalableTestGrids_nooptScalableTestGrids.Models.Type2.Type2_tapNoEv_N_3_M_4 (sim)
ScalableTestGrids_nooptScalableTestGrids.Models.Type2.Type2_tapNoEv_N_4_M_4 (sim)
ScalableTestSuiteScalableTestSuite.Electrical.DistributionSystemAC.ScaledExperiments.DistributionSystemLinear_N_14_M_14 (sim)Failed → Verify