OpenModelica v1.24-fmi from 2026-02-23 09:50:09 to 2026-03-02 01:17:05

Summary

OMC Commits0
Libraries Changed12
Number of Improvements52
Number of Regressions22
Number of Performance Improvements2
Number of Performance Regressions4

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.post122-gca07698-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.post124-gcaee6d0-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.post122-gca07698-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.post124-gcaee6d0-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.post122-gca07698-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.post124-gcaee6d0-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.post122-gca07698-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.post124-gcaee6d0-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.post122-gca07698-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.post124-gcaee6d0-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.post122-gca07698-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.post124-gcaee6d0-linux-debug info: 1 warnings info: 0 errors
OpenIPSLFrom version 3.0.1 (https://github.com/OpenIPSL/OpenIPSL/archive/648ac5422769915f2e04a5ccd0370e413e3ff23e.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.post122-gca07698-linux-debug info: 1 warnings info: 0 errors to 3.1.0 (https://github.com/OpenIPSL/OpenIPSL/archive/0ee96c3bcf71330916fbaba60a82eeaac5e1ffb5.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
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.post122-gca07698-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.post124-gcaee6d0-linux-debug info: 1 warnings info: 0 errors
SOFCPoliMiFrom version master (85098e6eef87802fc5a24ea56db0d6a6ccadbb38) 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.post122-gca07698-linux-debug info: 1 warnings info: 0 errors to master (85098e6eef87802fc5a24ea56db0d6a6ccadbb38) 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
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.post122-gca07698-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.post124-gcaee6d0-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.post122-gca07698-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.post124-gcaee6d0-linux-debug info: 1 warnings info: 0 errors
ThermoPowerFrom version 3.1.0-master (https://github.com/casella/ThermoPower/archive/e2b011ac7fd90f9cf5771f29f1aefa160550b6ee.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.post122-gca07698-linux-debug info: 1 warnings info: 0 errors to 3.1.0-master (https://github.com/casella/ThermoPower/archive/e2b011ac7fd90f9cf5771f29f1aefa160550b6ee.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

Models Affected

AixLibAixLib.Airflow.AirCurtain.Examples.AirCurtain (sim)Compile performance 10.31 → 22.78
AixLibAixLib.Fluid.Geothermal.Borefields.Validation.ConstantHeatInjection_100Boreholes (sim)Failed → Compile
Buildings_11Buildings.DHC.Loads.Combined.Examples.BuildingTimeSeriesWithETSDHWTank (sim)Compile → Failed
Buildings_11Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case600FF (sim)Failed → Verify
Buildings_11Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case610 (sim)Compile → Failed
Buildings_11Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case660 (sim)Compile → Failed
Buildings_11Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case695 (sim)Failed → Simulate
Buildings_11Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case900 (sim)Compile → Failed
Buildings_11Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindowInteriorShade (sim)Compile performance 0:01:52 → 0:04:30
Buildings_12Buildings.DHC.ETS.Combined.Validation.ChillerOnly (sim)Simulate → Failed
Buildings_12Buildings.ThermalZones.Detailed.Examples.FFD.RoomOnlySurfaceBoundary (sim)Simulate performance 12.43 → 6.86
Buildings_12Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case650 (sim)Compile → Failed
Buildings_12Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case670 (sim)Failed → Simulate
Buildings_12Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case685 (sim)Simulate → Failed
Buildings_12Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case900 (sim)Simulate → Failed
Buildings_12Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case900FF (sim)Failed → Verify
Buildings_12Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case950 (sim)Failed → Compile
Buildings_12Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindow (sim)Compile performance 0:02:41 → 0:04:43
Buildings_12Buildings.ThermalZones.EnergyPlus_24_2_0.Examples.SmallOffice.ASHRAE2006Winter (sim)Failed → Compile
Buildings_latestBuildings.DHC.Loads.BaseClasses.Examples.CouplingSpawnZ6 (sim)Failed → Compile
Buildings_latestBuildings.DHC.Loads.Combined.Examples.BuildingTimeSeriesWithETS (sim)Failed → Compile
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case650 (sim)Failed → Compile
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case660 (sim)Failed → Simulate
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case680FF (sim)Verify → Failed
Buildings_latestBuildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindow (sim)Verify → Failed
Buildings_latestBuildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindowInteriorShade (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.ASHRAE2006Spring (sim)Failed → Compile
Buildings_latestBuildings.ThermalZones.EnergyPlus_24_2_0.Examples.SmallOffice.ASHRAE2006Summer (sim)Compile performance 0:02:36 → 0:04:28
Buildings_latestBuildings.ThermalZones.EnergyPlus_24_2_0.Examples.SmallOffice.ASHRAE2006Winter (sim)Failed → Compile
IBPSA_latestIBPSA.Fluid.Geothermal.Borefields.Validation.ConstantHeatInjection_100Boreholes (sim)Failed → Compile
IDEASIDEAS.Examples.Tutorial.Example6 (sim)Simulate → Failed
IDEASIDEAS.Examples.Tutorial.Example7 (sim)Simulate → Failed
IDEASIDEAS.Examples.Tutorial.Example8 (sim)Simulate → Failed
OpenIPSLOpenIPSL.Examples.DAEMode.N44_Base_Case_Systems.Nordic44_Base_Case_StateEvents (sim)Failed → SimCode
OpenIPSLOpenIPSL.Examples.DAEMode.N44_Base_Case_Systems.Nordic44_Base_Case_StateEvents2 (sim)Failed → SimCode
OpenIPSLOpenIPSL.Examples.DAEMode.N44_Base_Case_Systems.Nordic44_Base_Case_StateEvents3 (sim)Failed → SimCode
OpenIPSLOpenIPSL.Examples.DAEMode.N44_Original_Systems.Nordic44_Original_Case_Bus_Fault (sim)Failed → SimCode
OpenIPSLOpenIPSL.Examples.DAEMode.N44_Original_Systems.Nordic44_Original_Case_Line_Opening (sim)Failed → SimCode
OpenIPSLOpenIPSL.Examples.DAEMode.SMIB_Examples.Example_1.Network1 (sim)Simulate → SimCode
OpenIPSLOpenIPSL.Examples.DAEMode.SMIB_Examples.Example_1.Network2 (sim)Simulate → SimCode
OpenIPSLOpenIPSL.Examples.DAEMode.SMIB_Examples.Example_1.Network3 (sim)Simulate → SimCode
OpenIPSLOpenIPSL.Examples.DAEMode.SMIB_Examples.Example_1Mod.Network (sim)Simulate → SimCode
OpenIPSLOpenIPSL.Examples.DAEMode.SMIB_Examples.Example_2.Network (sim)Simulate → SimCode
OpenIPSLOpenIPSL.Examples.N44.Base_Case.Nordic44_Base_Case (sim)Failed → SimCode
OpenIPSLOpenIPSL.Examples.N44.Original.Nordic44_Original_Case (sim)Failed → SimCode
OpenIPSLOpenIPSL.Tests.Branches.Generic.ULTC (sim)FrontEnd → Compile
OpenIPSLOpenIPSL.Tests.Controls.PSSE.ES.ESAC2A (sim)Compile → Simulate
OpenIPSLOpenIPSL.Tests.Controls.PSSE.ES.EXST1 (sim)Simulate → SimCode
OpenIPSLOpenIPSL.Tests.ThreePhase.IEEE13 (sim)Simulate performance 44.44 → 25.33
PhysiolibraryPhysiolibrary.Fluid.Examples.AirWaterSaturation (sim)Failed → Simulate
PhysiolibraryPhysiolibrary.Fluid.Examples.BloodGasesEquilibrium (sim)Failed → Compile
PhysiolibraryPhysiolibrary.Fluid.Examples.BloodGasesTransport.BloodyMary (sim)Failed → Compile
PhysiolibraryPhysiolibrary.Fluid.Examples.CapillaryMembrane (sim)Failed → Compile
PhysiolibraryPhysiolibrary.Fluid.Examples.CardiovascularSystem_GCG (sim)Failed → Simulate
PhysiolibraryPhysiolibrary.Fluid.Examples.Fernandez2013.PulsatileCirculation (sim)Failed → Simulate
PhysiolibraryPhysiolibrary.Fluid.Examples.Kofranek2014.NonPulsatileCirculation (sim)Failed → Simulate
PhysiolibraryPhysiolibrary.Fluid.Examples.Kofranek2014.PulsatileCirculation (sim)Failed → Simulate
PhysiolibraryPhysiolibrary.Fluid.Examples.MeanRespiration (sim)Failed → Simulate
PhysiolibraryPhysiolibrary.Fluid.Examples.MeursModel2011.HemodynamicsMeurs_flatNorm (sim)Failed → Simulate
PhysiolibraryPhysiolibrary.Fluid.Examples.MinimalCirculation (sim)Failed → Simulate
PhysiolibraryPhysiolibrary.Fluid.Examples.MinimalRespiration (sim)Failed → FrontEnd
PhysiolibraryPhysiolibrary.Fluid.Examples.Respiration (sim)Failed → FrontEnd
PhysiolibraryPhysiolibrary.Fluid.Examples.SimpleRespiration (sim)Failed → FrontEnd
PhysiolibraryPhysiolibrary.Fluid.Examples.Windkessel_2element (sim)Failed → Simulate
PhysiolibraryPhysiolibrary.Fluid.Examples.Windkessel_3element (sim)Failed → Simulate
PhysiolibraryPhysiolibrary.Fluid.Examples.Windkessel_4element (sim)Failed → Simulate
PhysiolibraryPhysiolibrary.Media.Blood.ArterialComposition (sim)Failed → SimCode
PhysiolibraryPhysiolibrary.Media.Blood.VenousComposition (sim)Failed → SimCode
PhysiolibraryPhysiolibrary.Organs.Heart.Examples.DiastoleTest (sim)Failed → FrontEnd
PhysiolibraryPhysiolibrary.Organs.Heart.Examples.RightAtriumTest (sim)Failed → Simulate
PhysiolibraryPhysiolibrary.Organs.Heart.Examples.RightHeartTest (sim)Failed → Simulate
PhysiolibraryPhysiolibrary.Organs.Heart.Examples.VentricleTest (sim)Failed → Simulate
PhysiolibraryPhysiolibrary.Organs.Lungs.Examples.LungsTest (sim)Failed → FrontEnd
SOFCPoliMiSOFCPoliMi.Tests.BenchmarkSalogniColonnaIEA (sim)Failed → Simulate
ScalableTestGrids_nooptScalableTestGrids.Models.Type1.Type1_reduced_N_6_M_4 (sim)Failed → FrontEnd
ScalableTestGrids_nooptScalableTestGrids.Models.Type2.Type2_noTap___N_4_M_4 (sim)
ScalableTestSuiteScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_32 (sim)Failed → Compile
ScalableTestSuiteScalableTestSuite.Mechanical.Strings.ScaledExperiments.StringModelica_N_32 (sim)Verify → Failed
ThermoPowerThermoPower.Test.DistributedParameterComponents.TestWaterFlow1DFEM_E (sim)Compile → Simulate