OpenModelica master-fmi-fmpy from 2026-02-20 17:15:13 to 2026-02-22 22:16:59

Summary

OMC Commits3
Libraries Changed1
Number of Improvements24
Number of Regressions27
Number of Performance Improvements5
Number of Performance Regressions4

OpenModelica Changes

CommitDateAuthorSummary
19fdc995ec2026-02-22 17:51:05 +0100kabdelhak[NB] fix cat() call function alias (#15078)
09f5240b002026-02-22 16:52:56 +0100kabdelhak[NF] fix getting subscript from cref with wholedim (#15077)
4e8f7963362026-02-21 13:34:18 +0100kabdelhak[NB] update cat() call handling (#15075)

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
Modelica_trunkFrom version trunk (https://github.com/OpenModelica/OpenModelica-ModelicaStandardLibrary/archive/32508db8b36228302465c99a36b679a5e8b759e7.zip) usage: __main__.py [-h] [--version] [--validate] [--start-time START_TIME] FMPy version: 0.3.21 Python version: 3.10.12 (main, Jan 26 2026, 14:55:28) [GCC 11.4.0] --version show program's version number and exit to trunk (https://github.com/OpenModelica/OpenModelica-ModelicaStandardLibrary/archive/7832c68458be6add3aec454f637d238efbccabb0.zip) usage: __main__.py [-h] [--version] [--validate] [--start-time START_TIME] FMPy version: 0.3.21 Python version: 3.10.12 (main, Jan 26 2026, 14:55:28) [GCC 11.4.0] --version show program's version number and exit

Models Affected

AixLibAixLib.ThermalZones.ReducedOrder.Windows.Validation.VDI2078.TestCase1_Illumination (sim)Compile performance 0:04:20 → 0:09:08
BuildSysProBuildSysPro.IBPSA.Fluid.Geothermal.Borefields.BaseClasses.Boreholes.Examples.BoreholeOneUTube (sim)Compile performance 0:01:24 → 48.01
BuildingSystemsBuildingSystems.Fluid.Geothermal.Borefields.Validation.ConstantHeatInjection_100Boreholes (sim)Compile → Failed
Buildings_11Buildings.Applications.DataCenters.ChillerCooled.Examples.IntegratedPrimarySecondaryEconomizer (sim)Failed → Compile
Buildings_11Buildings.DHC.ETS.Combined.Validation.ChillerOnly (sim)Failed → Verify
Buildings_11Buildings.DHC.ETS.Combined.Validation.ChillerWSE (sim)Failed → Compile
Buildings_11Buildings.DHC.Loads.Combined.Examples.BuildingTimeSeriesWithETSDHWTank (sim)Compile → Failed
Buildings_11Buildings.DHC.Plants.Cooling.Examples.StoragePlantDualSource (sim)Verify → Compile
Buildings_11Buildings.DHC.Plants.Steam.BaseClasses.Examples.BoilerPolynomial (sim)Simulate → Compile
Buildings_11Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case600 (sim)Compile → Failed
Buildings_11Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case600FF (sim)Failed → Verify
Buildings_11Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case680 (sim)Verify → Failed
Buildings_11Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case900FF (sim)Verify → Failed
Buildings_11Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case940 (sim)Failed → Compile
Buildings_11Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindowInteriorShade (sim)Failed → Verify
Buildings_12Buildings.Applications.DataCenters.ChillerCooled.Examples.IntegratedPrimarySecondaryEconomizer (sim)Failed → Compile
Buildings_12Buildings.Applications.DataCenters.ChillerCooled.Examples.NonIntegratedPrimarySecondaryEconomizer (sim)Compile → Failed
Buildings_12Buildings.DHC.ETS.Combined.Examples.ChillerOnly (sim)Failed → Verify
Buildings_12Buildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)Simulate performance 0.35 → 0:07:02
Buildings_12Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case670 (sim)Verify → Failed
Buildings_12Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case685 (sim)Compile → Failed
Buildings_12Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case695 (sim)Failed → Compile
Buildings_12Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case900FF (sim)Failed → Verify
Buildings_12Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindow (sim)Verify → Failed
Buildings_12Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindowInteriorShade (sim)Failed → Verify
Buildings_12Buildings.ThermalZones.EnergyPlus_24_2_0.Examples.SmallOffice.ASHRAE2006Summer (sim)Compile → Failed
Buildings_latestBuildings.Applications.DataCenters.ChillerCooled.Examples.IntegratedPrimarySecondaryEconomizer (sim)Compile → Failed
Buildings_latestBuildings.DHC.Loads.BaseClasses.Examples.CouplingSpawnZ6 (sim)Compile → Failed
Buildings_latestBuildings.DHC.Loads.Combined.Examples.BuildingTimeSeriesWithETS (sim)Compile → Failed
Buildings_latestBuildings.DHC.Loads.Cooling.Examples.BuildingTimeSeriesWithETS (sim)Verify → Compile
Buildings_latestBuildings.DHC.Plants.Steam.Examples.SingleBoiler (sim)Verify → Compile
Buildings_latestBuildings.Fluid.HydronicConfigurations.ActiveNetworks.Examples.DecouplingMixing (sim)Simulate performance 18.05 → 0.50
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case670 (sim)Compile → Failed
Buildings_latestBuildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindowInteriorShade (sim)Failed → Verify
Buildings_latestBuildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.SampledModel.OnlyExteriorWallWithWindowExteriorShade (sim)Failed → Compile
Buildings_latestBuildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.SampledModel.OnlyExteriorWallWithWindowInteriorShade (sim)Failed → Compile
Buildings_latestBuildings.ThermalZones.EnergyPlus_24_2_0.Examples.SmallOffice.ASHRAE2006Summer (sim)Compile → Failed
DynawoDynawo.Examples.Wind.IEC.Neplan.WT4ACurrentSource2015FOCB (sim)
DynawoDynawo.Examples.Wind.IEC.Neplan.WT4ACurrentSource2020 (sim)
DynawoDynawo.Examples.Wind.IEC.Neplan.WT4ACurrentSource2020FOCB (sim)
GreenhousesGreenhouses.Examples.Greenhouse_2 (sim)Compile performance 0:03:24 → 0:08:29
IDEASIDEAS.Fluid.Geothermal.Borefields.BaseClasses.Boreholes.Examples.BoreholeOneUTube (sim)Compile → Simulate
IndustrialControlSystemsIndustrialControlSystems.Applications.ProcessControl.LevelControl (sim)Compile → Simulate
LEPSE_mainLEPSE.Examples.KKT_1 (sim)Verify → Simulate
MEVMEV.Test.TestStandardPatient (sim)Compile → Simulate
Modelica_3.2.3Modelica.Electrical.Analog.Examples.OpAmps.Multivibrator (sim)Compile → Simulate
Modelica_3.2.3Modelica.Electrical.PowerConverters.Examples.ACDC.RectifierCenterTapmPulse.ThyristorCenterTapmPulse_R (sim)Compile → Simulate
Modelica_4.1.0Modelica.Electrical.Analog.Examples.OpAmps.Multivibrator (sim)Compile → Simulate
Modelica_4.1.0Modelica.Electrical.PowerConverters.Examples.ACDC.RectifierCenterTap2mPulse.ThyristorCenterTap2mPulse_RL (sim)Simulate → Compile
Modelica_4.1.0Modelica.Mechanics.MultiBody.Examples.Loops.EngineV6 (sim)Simulate → Failed
Modelica_trunkModelica.Electrical.PowerConverters.Examples.ACAC.Dimmer_RL (sim)Compile → Simulate
Modelica_trunkModelica.Electrical.PowerConverters.Examples.ACDC.RectifierCenterTap2mPulse.ThyristorCenterTap2mPulse_RL (sim)Simulate → Compile
Modelica_trunkModelica.Mechanics.MultiBody.Examples.Loops.EngineV6 (sim)Failed → Simulate
OpenIPSLOpenIPSL.Tests.Machines.PSAT.Order3test2 (sim)Simulate performance 0.46 → 10.39
OpenIPSLOpenIPSL.Tests.Machines.PSAT.Order3test2_AVR (sim)Simulate → Compile
OpenIPSL_2.0.0OpenIPSL.Examples.TwoAreas.Two_Areas_PSAT (sim)Simulate performance 14.64 → 4.80
OpenIPSL_2.0.0OpenIPSL.Tests.Controls.PSAT.OEL.AVRTypeII_OEL_Test (sim)Simulate → Compile
OpenIPSL_2.0.0OpenIPSL.Tests.Machines.PSAT.Order3test2 (sim)Simulate performance 10.37 → 0.49
OpenIPSL_devOpenIPSL.Tests.Machines.PSAT.Order3test2 (sim)Simulate performance 10.49 → 0.51
OpenIPSL_devOpenIPSL.Tests.Machines.PSAT.Order3test2_AVR (sim)Compile → Simulate
PowerSystems_latestPowerSystems.Examples.AC1ph_DC.Inverters.InverterToGrid (sim)Verify → Compile
ScalableTestGrids_nooptScalableTestGrids.Models.Type1.Type1_reduced_N_3_M_4 (sim)SimCode → Failed
ScalableTestGrids_nooptScalableTestGrids.Models.Type2.Type2_tapEv___N_3_M_4 (sim)
ScalableTestSuiteScalableTestSuite.Thermal.DistrictHeating.ScaledExperiments.HeatingSystem_N_640 (sim)Failed → Compile