OpenModelica master-fmi from 2026-03-05 08:21:01 to 2026-03-07 11:14:03

Summary

OMC Commits14
Libraries Changed13
Number of Improvements26
Number of Regressions17
Number of Performance Improvements4
Number of Performance Regressions7

OpenModelica Changes

CommitDateAuthorSummary
0a9332964b2026-03-06 20:23:51 +0100Adrian Popfix typo (#15159)
6b155952662026-03-06 16:35:46 +0100kabdelhak[NB] do proper type matching instead of equality for resizables (#15168)
c8321312df2026-03-06 16:27:10 +0100Per ÖstlundAdd function inlining option for Base Modelica (#15173)
0e5706763b2026-03-06 16:15:54 +0100arun3688check for CompilationProcess is not Null (#15170)
c40691051b2026-03-06 15:33:39 +0100Per ÖstlundUse correct context in getModelInstanceAnnotation (#15172)
d9b27339712026-03-06 14:38:53 +0100Per ÖstlundFix flattening of if-equations with unevaluable conditions (#15169)
8aab259f542026-03-06 11:49:30 +0100kabdelhak[BE] update homotopy in initial algebraic loops (#15167)
33281cf53b2026-03-06 09:43:51 +0100kabdelhak[NF] fix scalarizing crefs (#15165)
d02da39c812026-03-05 17:48:47 +0100kabdelhak[NB] proper MSSS for index reduction (#15164)
dfbfb84a252026-03-05 16:54:43 +0100kabdelhak[NB] small update to scalarization for resizables (#15160)
bb1f504fe92026-03-05 16:08:13 +0100anotheruserofgithubRemove non-standard "ms" time unit (#15004)
4654a1d3472026-03-05 16:06:31 +0100Adeel AsgharImprove model lookup (#15162)
ca610dba8e2026-03-05 11:10:52 +0100anotheruserofgithubFix conversion factor for "min" time unit (#15003)
3686a63f182026-03-05 10:28:10 +0100anotheruserofgithubIncrease precision of time text in plot footer (#15002)

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
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
ChemicalFrom version 2.0.0 (https://github.com/MarekMatejak/Chemical/archive/2da36279db8adf3effa142a8dfa270c40b0e517d.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 2.0.0 (https://github.com/MarekMatejak/Chemical/archive/2da36279db8adf3effa142a8dfa270c40b0e517d.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
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_4.0.0From version 4.0.0+maint.om (96032134c36668898e1693e69bd9f81aa38de3dd) 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+maint.om (96032134c36668898e1693e69bd9f81aa38de3dd) 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_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.post124-gcaee6d0-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.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
ThermofluidStream_devFrom version 1.2.0-main (049904d82787acc75ad83ada86ab3b961816fe87) 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-main (049904d82787acc75ad83ada86ab3b961816fe87) 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

Buildings_11Buildings.Applications.DataCenters.ChillerCooled.Examples.NonIntegratedPrimarySecondaryEconomizer (sim)Compile → Failed
Buildings_11Buildings.DHC.ETS.Combined.Validation.ChillerWSE (sim)Failed → Verify
Buildings_11Buildings.Fluid.DXSystems.Cooling.AirSource.Examples.VariableSpeed (sim)Compile → Verify
Buildings_11Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case600FF (sim)Verify → Failed
Buildings_11Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case670 (sim)Failed → Compile
Buildings_11Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case900 (sim)Failed → Compile
Buildings_11Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case900FF (sim)Verify → Failed
Buildings_11Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindowExteriorShade (sim)Verify → Failed
Buildings_11Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.SampledModel.OnlyExteriorWallWithWindowInteriorShade (sim)Failed → Verify
Buildings_12Buildings.Applications.DataCenters.ChillerCooled.Examples.IntegratedPrimarySecondaryEconomizer (sim)Compile → Failed
Buildings_12Buildings.Applications.DataCenters.ChillerCooled.Examples.NonIntegratedPrimarySecondaryEconomizer (sim)Compile → Failed
Buildings_12Buildings.DHC.ETS.Combined.Validation.ChillerOnly (sim)Simulate → Failed
Buildings_12Buildings.DHC.Loads.BaseClasses.Examples.CouplingSpawnZ6 (sim)Compile performance 0:02:45 → 0:04:43
Buildings_12Buildings.Fluid.DXSystems.Cooling.AirSource.Examples.VariableSpeed (sim)Compile → Verify
Buildings_12Buildings.Fluid.HeatExchangers.Validation.WetCoilEffectivenessNTUHeating (sim)Failed → Verify
Buildings_12Buildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)Simulate performance 0.74 → 0:07:02
Buildings_12Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case670 (sim)Compile → Failed
Buildings_12Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case685 (sim)Simulate → Failed
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)Failed → Verify
Buildings_12Buildings.ThermalZones.EnergyPlus_24_2_0.Examples.SmallOffice.ASHRAE2006Spring (sim)Failed → Compile
Buildings_latestBuildings.Applications.DataCenters.ChillerCooled.Examples.IntegratedPrimarySecondaryEconomizer (sim)Failed → Compile
Buildings_latestBuildings.Applications.DataCenters.ChillerCooled.Examples.NonIntegratedPrimarySecondaryEconomizer (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.Fluid.DXSystems.Cooling.AirSource.Examples.VariableSpeed (sim)Compile → Verify
Buildings_latestBuildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)Simulate performance 0:14:02 → 0.75
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case640 (sim)Failed → Compile
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case685 (sim)Failed → Simulate
Buildings_latestBuildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindowExteriorShade (sim)Verify → Failed
Buildings_latestBuildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.SampledModel.OnlyExteriorWallWithWindow (sim)Verify → Failed
Buildings_latestBuildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.SampledModel.OnlyExteriorWallWithWindowExteriorShade (sim)Failed → Verify
Buildings_latestBuildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.SampledModel.OnlyExteriorWallWithWindowInteriorShade (sim)Failed → Verify
ChemicalChemical.Obsolete.Examples.Hemoglobin.Joels57 (sim)Failed → Compile
GreenhousesGreenhouses.Examples.GlobalSystem_1 (sim)Failed → Compile
GreenhousesGreenhouses.Examples.Greenhouse_1 (sim)Compile performance 0:09:02 → 0:04:54
IDEASIDEAS.Examples.Tutorial.Example7 (sim)Failed → Compile
IDEASIDEAS.Examples.Tutorial.Example8 (sim)Failed → Compile
IDEASIDEAS.Examples.Tutorial.Example9 (sim)Failed → Compile
IDEASIDEAS.Fluid.Geothermal.Borefields.Validation.ConstantHeatInjection_100Boreholes (sim)Failed → Compile
Modelica_3.2.3Modelica.Mechanics.MultiBody.Examples.Loops.EngineV6 (sim)Failed → Compile
Modelica_4.0.0Modelica.Electrical.PowerConverters.Examples.ACDC.RectifierBridge2mPulse.ThyristorBridge2mPulse_DC_Drive (sim)Compile → Simulate
Modelica_4.0.0Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.InductionMachines.IMC_Initialize (sim)Compile → Simulate
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 8.88 → 22.93
Modelica_4.1.0Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMPM_CurrentSource (sim)Simulate performance 5.89 → 13.22
Modelica_4.1.0Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMR_CurrentSource (sim)Simulate performance 5.74 → 17.90
OpenIPSL_2.0.0OpenIPSL.Tests.ThreePhase.IEEE13 (sim)Simulate → Compile
ScalableTestGrids_nooptScalableTestGrids.Models.Type1.Type1_N_4_M_4 (sim)
ScalableTestGrids_nooptScalableTestGrids.Models.Type1.Type1_reduced_N_2_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 0:02:34 → 0:01:10
ScalableTestSuiteScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_32 (sim)Compile → Failed
ScalableTestSuiteScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CocurrentHeatExchangerEquations_N_640 (sim)Compile performance 0:03:48 → 0:02:11
ThermofluidStream_devThermofluidStream.HeatExchangers.Tests.Condenser (sim)Simulate performance 15.86 → 28.59
ThermofluidStream_devThermofluidStream.HeatExchangers.Tests.Recuperator (sim)Simulate performance 16.67 → 30.41