OpenModelica master-fmi from 2026-02-27 04:29:21 to 2026-03-01 01:54:43

Summary

OMC Commits6
Libraries Changed0
Number of Improvements16
Number of Regressions18
Number of Performance Improvements5
Number of Performance Regressions14

OpenModelica Changes

CommitDateAuthorSummary
32dc5a64f02026-03-01 00:16:21 +0100phannebohm[NB] Fix derivative of binary div (#15128)
a40ee1fc882026-02-28 09:34:43 +0100Andreas[build] CMake spellcheck instead of Make (#15104)
5cd75100272026-02-27 16:22:09 +0100Per ÖstlundUpdate boostrapping sources (#15124)
6a0546d1a32026-02-27 16:06:04 +0100kabdelhak[NB] update function alias for array constructors (#15123)
7d6683a7c32026-02-27 13:46:07 +0100Per ÖstlundOptimize enumeration match cases (#15122)
6c6f9dcf5e2026-02-27 11:20:31 +0100Per ÖstlundMinor optimization (#15121)

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

Models Affected

BuildingSystemsBuildingSystems.Applications.AirConditioningSystems.PhotovoltaicCoolingSystem (sim)BackEnd performance 36.98 → 0:03:19
BuildingSystemsBuildingSystems.Applications.BuildingTypes.Germany.MultistoreyBuilding1958to1968 (sim)BackEnd performance 31.04 → 0:03:14
BuildingSystemsBuildingSystems.Applications.BuildingTypes.Germany.Rowhouse1918 (sim)BackEnd performance 31.43 → 0:03:14
BuildingSystemsBuildingSystems.Applications.BuildingTypes.Germany.SingleFamilyHouseEnEV2014 (sim)BackEnd performance 32.03 → 0:03:14
BuildingSystemsBuildingSystems.Applications.ClimateAnalyses.FreeFloatingTemperature (sim)BackEnd performance 30.09 → 0:03:12
BuildingSystemsBuildingSystems.Applications.PhotovoltaicSystems.PhotovoltaicSystem (sim)Compile performance 0:05:33 → 0:02:40
BuildingSystemsBuildingSystems.Fluid.Geothermal.Borefields.Validation.ConstantHeatInjection_100Boreholes (sim)Compile → Failed
Buildings_11Buildings.DHC.ETS.Combined.Examples.ChillerOnly (sim)Verify → Failed
Buildings_11Buildings.DHC.ETS.Combined.Validation.ChillerOnly (sim)Verify → Failed
Buildings_11Buildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)Simulate performance 0:07:02 → 0.77
Buildings_11Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case610 (sim)Simulate → Failed
Buildings_11Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case685 (sim)Failed → Compile
Buildings_11Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case900 (sim)Failed → Compile
Buildings_11Buildings.ThermalZones.Detailed.Validation.Initialization.MixedAir (sim)Verify → Failed
Buildings_11Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.SampledModel.OnlyExteriorWallWithWindowInteriorShade (sim)Verify → Failed
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)Failed → Simulate
Buildings_12Buildings.Fluid.HeatExchangers.Validation.WetCoilEffectivenessNTUHeating (sim)Failed → Verify
Buildings_12Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindowExteriorShade (sim)Compile performance 0:04:35 → 0:02:09
Buildings_12Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindowInteriorShade (sim)Verify → Failed
Buildings_12Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.SampledModel.OnlyExteriorWallWithWindowExteriorShade (sim)Verify → Failed
Buildings_12Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.SampledModel.OnlyExteriorWallWithWindowInteriorShade (sim)Verify → Failed
Buildings_12Buildings.ThermalZones.EnergyPlus_24_2_0.Examples.SmallOffice.ASHRAE2006Spring (sim)Compile → Failed
Buildings_12Buildings.ThermalZones.EnergyPlus_24_2_0.Examples.SmallOffice.ASHRAE2006Summer (sim)Failed → Compile
Buildings_latestBuildings.Applications.DataCenters.ChillerCooled.Examples.IntegratedPrimarySecondaryEconomizer (sim)Failed → Compile
Buildings_latestBuildings.DHC.Loads.Combined.Examples.BuildingTimeSeriesWithETS (sim)Failed → Compile
Buildings_latestBuildings.Fluid.HeatExchangers.Validation.WetCoilEffectivenessNTUHeating (sim)Failed → Verify
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case685 (sim)Failed → Simulate
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.OnlyExteriorWallWithWindowExteriorShade (sim)Verify → Failed
Buildings_latestBuildings.ThermalZones.EnergyPlus_24_2_0.Examples.SmallOffice.ASHRAE2006Summer (sim)Failed → Compile
Chemical_masterChemical.Obsolete.Examples.Hemoglobin.Joels57 (sim)Compile performance 0:04:05 → 0:08:01
GreenhousesGreenhouses.Examples.GlobalSystem_1 (sim)Compile → Failed
IDEASIDEAS.Examples.Tutorial.Example10 (sim)Failed → Compile
IDEASIDEAS.Examples.Tutorial.Example6 (sim)Compile performance 0:10:35 → 0:06:10
IDEASIDEAS.Examples.Tutorial.Example8 (sim)Failed → Compile
IDEASIDEAS.Examples.Tutorial.Example9 (sim)Failed → Compile
ModelicaTestOverdeterminedModelicaTestOverdetermined.ConsistentInitialization.Fluid.TwoVolumesEquationsFullSteadyStateMassAndEnergy (sim)Compile performance 13.54 → 33.39
ModelicaTestOverdeterminedModelicaTestOverdetermined.ConsistentInitialization.Fluid.TwoVolumesEquationsFullSteadyStatePressureAndTemperature (sim)Compile performance 13.58 → 33.74
ModelicaTestOverdeterminedModelicaTestOverdetermined.ConsistentInitialization.Fluid.TwoVolumesFullInitial (sim)Compile performance 14.30 → 29.88
Modelica_3.2.3Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.InductionMachines.IMC_Initialize (sim)Compile → Simulate
Modelica_3.2.3Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMR_CurrentSource (sim)Simulate performance 16.87 → 6.90
Modelica_trunkModelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.InductionMachines.IMC_Initialize (sim)Simulate → Compile
Modelica_trunkModelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMEE_Generator (sim)Simulate performance 10.18 → 21.88
Modelica_trunkModelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMR_CurrentSource (sim)Simulate performance 6.14 → 18.87
Modelica_trunkModelica.Mechanics.MultiBody.Examples.Systems.RobotR3.FullRobot (sim)Simulate performance 3.59 → 33.66
Modelica_trunkModelica.Mechanics.MultiBody.Examples.Systems.RobotR3.OneAxis (sim)Simulate performance 0.40 → 30.43
Modelica_trunkModelica.Mechanics.Translational.Examples.Oscillator (sim)Compile performance 11.89 → 20.23
SOFCPoliMiSOFCPoliMi.Tests.BenchmarkSalogniColonnaIEA (sim)Failed → Compile
ScalableTestGrids_nooptScalableTestGrids.Models.Type2.Type2_tapEv___N_4_M_4 (sim)
ScalableTestGrids_nooptScalableTestGrids.Models.Type2.Type2_tapNoEv_N_4_M_4 (sim)
ScalableTestSuiteScalableTestSuite.Electrical.BreakerCircuits.ScaledExperiments.BreakerNetwork_N_640_M_10 (sim)Verify → Failed
ThermoPowerThermoPower.Test.DistributedParameterComponents.TestWaterFlow1DFEM_B (sim)Simulate → Compile