OpenModelica master-fmi from 2026-01-27 02:46:52 to 2026-01-29 00:23:29

Summary

OMC Commits2
Libraries Changed13
Number of Improvements16
Number of Regressions37
Number of Performance Improvements2
Number of Performance Regressions3

OpenModelica Changes

CommitDateAuthorSummary
c1ce8a87ba2026-01-28 13:18:00 +0100fbrandt[NB] support for adjoint derivatives (#14589)
41b9c2628d2026-01-27 11:00:21 +0100Adeel AsgharTests for decimal values (#14943)

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
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.post120-g9acb585-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.post121-g287953c-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/1e5a28b58b94bccb7093d37a9bebd9c0bfc51881.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.post120-g9acb585-linux-debug info: 1 warnings info: 0 errors to 11.1.1-maint.11.x (https://github.com/lbl-srg/modelica-buildings/archive/1e5a28b58b94bccb7093d37a9bebd9c0bfc51881.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.post121-g287953c-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/19ef4ed52eab46e4b8aecbcaa28655e58d0c1244.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.post120-g9acb585-linux-debug info: 1 warnings info: 0 errors to 12.1.1-maint.12.x (https://github.com/lbl-srg/modelica-buildings/archive/19ef4ed52eab46e4b8aecbcaa28655e58d0c1244.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.post121-g287953c-linux-debug info: 1 warnings info: 0 errors
Buildings_latestFrom version 13.0.0-master (https://github.com/lbl-srg/modelica-buildings/archive/ef1ad979e95241e5744999dba8c743b7d43e0355.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.post120-g9acb585-linux-debug info: 1 warnings info: 0 errors to 13.0.0-master (https://github.com/lbl-srg/modelica-buildings/archive/bd2bf4bcfe0d623a1194399067ff6ebdaac5b091.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.post121-g287953c-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.post120-g9acb585-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.post121-g287953c-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.post120-g9acb585-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.post121-g287953c-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.post120-g9acb585-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.post121-g287953c-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.post120-g9acb585-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.post121-g287953c-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.post120-g9acb585-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.post121-g287953c-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.post120-g9acb585-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.post121-g287953c-linux-debug info: 1 warnings info: 0 errors
Modelica_trunkFrom version trunk (https://github.com/OpenModelica/OpenModelica-ModelicaStandardLibrary/archive/baaac1f647971186604ee33ae832824e8eb75007.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.post120-g9acb585-linux-debug info: 1 warnings info: 0 errors to trunk (https://github.com/OpenModelica/OpenModelica-ModelicaStandardLibrary/archive/baaac1f647971186604ee33ae832824e8eb75007.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.post121-g287953c-linux-debug info: 1 warnings info: 0 errors
OpenIMDML_mainFrom version 1.0.0-main (3447b44ba063802dce7fe7c66ce493d658dc3136) 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.post120-g9acb585-linux-debug info: 1 warnings info: 0 errors to 1.0.0-main (3447b44ba063802dce7fe7c66ce493d658dc3136) 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.post121-g287953c-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.post120-g9acb585-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.post121-g287953c-linux-debug info: 1 warnings info: 0 errors

Models Affected

BuildingSystemsBuildingSystems.Fluid.Geothermal.Borefields.Validation.ConstantHeatInjection_100Boreholes (sim)Failed → Compile
Buildings_11Buildings.Applications.DataCenters.ChillerCooled.Examples.IntegratedPrimarySecondaryEconomizer (sim)Failed → Compile
Buildings_11Buildings.DHC.ETS.Combined.Validation.ChillerOnly (sim)Verify → Failed
Buildings_11Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case600FF (sim)Failed → Verify
Buildings_11Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case610 (sim)Failed → Simulate
Buildings_11Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case670 (sim)Compile → Failed
Buildings_11Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case695 (sim)Simulate → Failed
Buildings_11Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindow (sim)Verify → Failed
Buildings_11Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindowExteriorShade (sim)Verify → Failed
Buildings_11Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.SampledModel.OnlyExteriorWallWithWindowExteriorShade (sim)Compile performance 0:02:08 → 0:04:29
Buildings_12Buildings.Applications.DataCenters.ChillerCooled.Examples.IntegratedPrimarySecondaryEconomizer (sim)Failed → Compile
Buildings_12Buildings.Applications.DataCenters.ChillerCooled.Examples.NonIntegratedPrimarySecondaryEconomizer (sim)Failed → Compile
Buildings_12Buildings.DHC.ETS.Combined.Examples.ChillerOnly (sim)Failed → Verify
Buildings_12Buildings.DHC.ETS.Combined.Validation.ChillerOnly (sim)Simulate → Failed
Buildings_12Buildings.Fluid.HeatExchangers.Validation.WetCoilEffectivenessNTUHeating (sim)Verify → Failed
Buildings_12Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case900FF (sim)Failed → Verify
Buildings_12Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindowInteriorShade (sim)Verify → Failed
Buildings_latestBuildings.Applications.DataCenters.ChillerCooled.Examples.NonIntegratedPrimarySecondaryEconomizer (sim)Failed → Compile
Buildings_latestBuildings.DHC.Loads.BaseClasses.Examples.CouplingSpawnZ6 (sim)Compile → Failed
Buildings_latestBuildings.Templates.Plants.Controls.StagingRotation.Validation.EquipmentAvailability (sim)Verify → Simulate
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case900FF (sim)Verify → Failed
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case910 (sim)Simulate → Failed
Buildings_latestBuildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindowExteriorShade (sim)Failed → Verify
Buildings_latestBuildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.SampledModel.OnlyExteriorWallWithWindowExteriorShade (sim)Failed → Verify
Buildings_latestBuildings.ThermalZones.EnergyPlus_24_2_0.Examples.SmallOffice.ASHRAE2006Winter (sim)Failed → Compile
ChemicalChemical.Obsolete.Examples.Hemoglobin.Joels57 (sim)Failed → Compile
ClaRaClaRa.Components.Mills.HardCoalMills.Check.testRollerBowlMills (sim)Verify → Compile
GreenhousesGreenhouses.Examples.Greenhouse_2 (sim)Compile performance 0:04:13 → 0:07:42
IDEASIDEAS.Examples.Tutorial.Example10 (sim)Compile → Failed
IDEASIDEAS.Examples.Tutorial.Example7 (sim)Compile → Failed
IDEASIDEAS.Examples.Tutorial.Example8 (sim)Compile → Failed
Modelica_4.0.0Modelica.Electrical.PowerConverters.Examples.ACDC.RectifierBridge2mPulse.ThyristorBridge2mPulse_DC_Drive (sim)Compile → Simulate
Modelica_4.1.0Modelica.Blocks.Examples.Rectifier12pulseFFT (sim)Compile performance 0:03:02 → 0:05:16
Modelica_4.1.0Modelica.Electrical.PowerConverters.Examples.ACDC.RectifierBridge2mPulse.ThyristorBridge2mPulse_DC_Drive (sim)Compile → Simulate
Modelica_trunkModelica.Electrical.PowerConverters.Examples.ACDC.RectifierBridge2mPulse.ThyristorBridge2mPulse_DC_Drive (sim)Simulate → Compile
OpenIMDML_mainOpenIMDML.Examples.MultiDomainExamples.MultiDomainThreePhaseInductionMotors.MultiDomainThreePhaseMotorVSDStartup.MultiDomainMotorTypeIIIStartUpComparison (sim)Compile performance 32.83 → 16.92
OpenIMDML_mainOpenIMDML.Examples.MultiDomainExamples.MultiDomainThreePhaseInductionMotors.MultiDomainThreePhaseMotorVSDStartup.MultiDomainMotorTypeIStartUpComparison (sim)Compile performance 36.28 → 17.57
PowerGrids_symb_jacPowerGrids.Electrical.Test.SynchronousMachine4WindingsPowerSwing (sim)Verify → Templates
PowerGrids_symb_jacPowerGrids.Examples.ENTSOE.SteadyState (sim)Verify → Templates
PowerGrids_symb_jacPowerGrids.Examples.ENTSOE.TestCase1 (sim)Verify → Templates
PowerGrids_symb_jacPowerGrids.Examples.ENTSOE.TestCase2 (sim)Verify → Templates
PowerGrids_symb_jacPowerGrids.Examples.ENTSOE.TestCase3 (sim)Verify → Templates
PowerGrids_symb_jacPowerGrids.Examples.IEEE14bus.IEEE14busPowerFlow (sim)Verify → Templates
PowerGrids_symb_jacPowerGrids.Examples.Tutorial.GridOperation.Controlled.ControlledGridParametersChange (sim)Verify → Templates
PowerGrids_symb_jacPowerGrids.Examples.Tutorial.GridOperation.Controlled.ControlledGridWithControlledGen (sim)Verify → Templates
PowerGrids_symb_jacPowerGrids.Examples.Tutorial.GridOperation.Controlled.ControlledGridWithPSS (sim)Verify → Templates
PowerGrids_symb_jacPowerGrids.Examples.Tutorial.GridOperation.Controlled.ControlledGridWithReferenceCalculation (sim)Verify → Templates
PowerGrids_symb_jacPowerGrids.Examples.Tutorial.GridOperation.Controlled.ControlledGridWithReferenceCalculationSat (sim)Compile → Templates
PowerGrids_symb_jacPowerGrids.Examples.Tutorial.GridOperation.Controlled.ControlledGridWithoutPSS (sim)Simulate → Templates
PowerGrids_symb_jacPowerGrids.Examples.Tutorial.GridOperation.LoadChange.LoadChangeByInputSignals (sim)Verify → Templates
PowerGrids_symb_jacPowerGrids.Examples.Tutorial.GridOperation.LoadChange.LoadChangeByModifier (sim)Verify → Templates
PowerGrids_symb_jacPowerGrids.Examples.Tutorial.GridOperation.LoadChange.LoadChangeByModifierUsingExtends (sim)Verify → Templates
PowerGrids_symb_jacPowerGrids.Examples.Tutorial.GridOperation.Static.PowerFlow (sim)Verify → Templates
PowerGrids_symb_jacPowerGrids.Examples.Tutorial.GridOperation.Static.StaticGrid (sim)Verify → Templates
PowerGrids_symb_jacPowerGrids.Examples.Tutorial.GridOperation.Static.StaticGridComputedParameters (sim)Verify → Templates
PowerGrids_symb_jacPowerGrids.Examples.Tutorial.GridOperation.Static.StaticGridDifferentGeneratorParam (sim)Verify → Templates
PowerGrids_symb_jacPowerGrids.Examples.Tutorial.GridOperation.Static.StaticGridDifferentNominals (sim)Verify → Templates
ScalableTestSuiteScalableTestSuite.Thermal.Advection.ScaledExperiments.AdvectionReaction_N_3200 (sim)Failed → Compile