OpenModelica master-fmi-fmpy from 2026-01-29 12:10:29 to 2026-01-31 09:43:42

Summary

OMC Commits11
Libraries Changed5
Number of Improvements20
Number of Regressions30
Number of Performance Improvements4
Number of Performance Regressions8

OpenModelica Changes

CommitDateAuthorSummary
14139381ab2026-01-31 01:19:14 +0100Adrian PopQtWebEngine is also needed for cmake with qt6 (#14968)
ccb62362e62026-01-30 23:33:15 +0100Adrian PopExplain that Qt6 is needed if Qt5 webkit is not available (#14967)
86f822f42c2026-01-30 17:07:07 +0100Per ÖstlundClean up zero-based List functions (#14964)
fb0b01db3c2026-01-30 17:02:24 +0100AndreasAdding OpenSuse devcontainer (#14963)
00a66c06262026-01-30 17:02:06 +0100phannebohmMake type restriction enumeration, cleanup stuff (#14962)
4a96d9b60e2026-01-30 13:06:08 +0100phannebohmFix XML escape for string start value (#14958)
7d07b996082026-01-30 11:13:56 +0100Pascal SchmidAdd OMCompiler bootstrapping sources as a Git submodule (#14955)
deece65f872026-01-29 17:24:44 +0100Adeel AsgharShow left y-axis by default (#14956)
adb8777a4c2026-01-29 13:29:45 +0100Adeel AsgharFix enable annotation for nested replaceable parameters (#14939)
dd27e00b922026-01-29 13:29:15 +0100Per ÖstlundInstantiate replaceable classes for getModelInstance (#14948)
32ab0c56bc2026-01-29 13:18:45 +0100phannebohmRefactor serialization (#14949)

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
Buildings_11From version 11.1.1-maint.11.x (https://github.com/lbl-srg/modelica-buildings/archive/1e5a28b58b94bccb7093d37a9bebd9c0bfc51881.zip) usage: __main__.py [-h] [--version] [--validate] [--start-time START_TIME] FMPy version: 0.3.21 Python version: 3.10.12 (main, Jan 8 2026, 06:52:19) [GCC 11.4.0] --version show program's version number and exit to 11.1.1-maint.11.x (https://github.com/lbl-srg/modelica-buildings/archive/6bfe74b8c6d2b6f109b99d778b1ceff796ecec7a.zip) usage: __main__.py [-h] [--version] [--validate] [--start-time START_TIME] FMPy version: 0.3.21 Python version: 3.10.12 (main, Jan 8 2026, 06:52:19) [GCC 11.4.0] --version show program's version number and exit
Buildings_12From version 12.1.1-maint.12.x (https://github.com/lbl-srg/modelica-buildings/archive/19ef4ed52eab46e4b8aecbcaa28655e58d0c1244.zip) usage: __main__.py [-h] [--version] [--validate] [--start-time START_TIME] FMPy version: 0.3.21 Python version: 3.10.12 (main, Jan 8 2026, 06:52:19) [GCC 11.4.0] --version show program's version number and exit to 12.1.1-maint.12.x (https://github.com/lbl-srg/modelica-buildings/archive/de671b96c9a62168627a4cd76cc6841166bb552f.zip) usage: __main__.py [-h] [--version] [--validate] [--start-time START_TIME] FMPy version: 0.3.21 Python version: 3.10.12 (main, Jan 8 2026, 06:52:19) [GCC 11.4.0] --version show program's version number and exit
Buildings_latestFrom version 13.0.0-master (https://github.com/lbl-srg/modelica-buildings/archive/bd2bf4bcfe0d623a1194399067ff6ebdaac5b091.zip) usage: __main__.py [-h] [--version] [--validate] [--start-time START_TIME] FMPy version: 0.3.21 Python version: 3.10.12 (main, Jan 8 2026, 06:52:19) [GCC 11.4.0] --version show program's version number and exit to 13.0.0-master (https://github.com/lbl-srg/modelica-buildings/archive/c8c3f3c57683df2999dc6bda104dace1cef6a7bc.zip) usage: __main__.py [-h] [--version] [--validate] [--start-time START_TIME] FMPy version: 0.3.21 Python version: 3.10.12 (main, Jan 8 2026, 06:52:19) [GCC 11.4.0] --version show program's version number and exit
OpenIPSL_devFrom version 3.1.0-dev (https://github.com/OpenIPSL/OpenIPSL/archive/88288b0f9178661ae4e2209b5fba9b5848cbdbbc.zip) usage: __main__.py [-h] [--version] [--validate] [--start-time START_TIME] FMPy version: 0.3.21 Python version: 3.10.12 (main, Jan 8 2026, 06:52:19) [GCC 11.4.0] --version show program's version number and exit to 3.1.0-dev (https://github.com/OpenIPSL/OpenIPSL/archive/3df101c2f06432d307fe3a5f86d64bddd97dda90.zip) usage: __main__.py [-h] [--version] [--validate] [--start-time START_TIME] FMPy version: 0.3.21 Python version: 3.10.12 (main, Jan 8 2026, 06:52:19) [GCC 11.4.0] --version show program's version number and exit
ThermofluidStream_devFrom version 1.2.0-main (d4b85ecb92d18bf4a86d09bca5a5ab2c8737a851) usage: __main__.py [-h] [--version] [--validate] [--start-time START_TIME] FMPy version: 0.3.21 Python version: 3.10.12 (main, Jan 8 2026, 06:52:19) [GCC 11.4.0] --version show program's version number and exit to 1.2.0-main (e68777c7a5c29ff2ee1ef201c8b21ec005b8a8e8) usage: __main__.py [-h] [--version] [--validate] [--start-time START_TIME] FMPy version: 0.3.21 Python version: 3.10.12 (main, Jan 8 2026, 06:52:19) [GCC 11.4.0] --version show program's version number and exit

Models Affected

AixLibAixLib.Fluid.Geothermal.Borefields.Validation.ConstantHeatInjection_100Boreholes (sim)Failed → Compile
BuildingSystemsBuildingSystems.Applications.PhotovoltaicSystems.PhotovoltaicSystem (sim)Compile performance 0:02:31 → 0:05:54
BuildingSystemsBuildingSystems.Fluid.Geothermal.Borefields.Validation.ConstantHeatInjection_100Boreholes (sim)Compile → Failed
Buildings_11Buildings.Applications.DataCenters.ChillerCooled.Examples.IntegratedPrimarySecondaryEconomizer (sim)Compile → Failed
Buildings_11Buildings.DHC.ETS.Combined.Examples.ChillerOnly (sim)Compile → Failed
Buildings_11Buildings.DHC.Loads.Combined.Examples.BuildingTimeSeriesWithETS (sim)Failed → Compile
Buildings_11Buildings.DHC.Plants.Cooling.Examples.StoragePlantDualSource (sim)Verify → Compile
Buildings_11Buildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)Simulate performance 0:07:02 → 0.30
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.BESTEST.Cases9xx.Case900FF (sim)Failed → Verify
Buildings_11Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case940 (sim)Compile → Failed
Buildings_11Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindowExteriorShade (sim)Verify → Failed
Buildings_11Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.SampledModel.OnlyExteriorWallWithWindowInteriorShade (sim)Compile performance 0:02:38 → 0:04:41
Buildings_11Buildings.ThermalZones.EnergyPlus_9_6_0.Examples.SmallOffice.ASHRAE2006Summer (sim)Failed → Compile
Buildings_12Buildings.Applications.DataCenters.ChillerCooled.Examples.IntegratedPrimarySecondaryEconomizer (sim)Failed → Compile
Buildings_12Buildings.DHC.ETS.Combined.Validation.ChillerOnly (sim)Verify → Failed
Buildings_12Buildings.DHC.Loads.Cooling.Examples.BuildingTimeSeriesWithETS (sim)Verify → Compile
Buildings_12Buildings.Fluid.HydronicConfigurations.ActiveNetworks.Examples.DecouplingMixing (sim)Simulate performance 17.92 → 0.50
Buildings_12Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case660 (sim)Compile → Failed
Buildings_12Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case685 (sim)Failed → Compile
Buildings_12Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case940 (sim)Failed → Compile
Buildings_12Buildings.ThermalZones.Detailed.Validation.Initialization.MixedAir (sim)Failed → Verify
Buildings_12Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.SampledModel.OnlyExteriorWallWithWindow (sim)Failed → Compile
Buildings_12Buildings.ThermalZones.EnergyPlus_24_2_0.Examples.SmallOffice.ASHRAE2006Spring (sim)Compile → Failed
Buildings_12Buildings.ThermalZones.EnergyPlus_24_2_0.Examples.SmallOffice.ASHRAE2006Winter (sim)Compile → Failed
Buildings_latestBuildings.DHC.Loads.Cooling.Examples.BuildingTimeSeriesWithETS (sim)Compile → Verify
Buildings_latestBuildings.DHC.Plants.Steam.Examples.SingleBoiler (sim)Verify → Compile
Buildings_latestBuildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)Simulate performance 0:14:02 → 0.28
Buildings_latestBuildings.ThermalZones.Detailed.Validation.Initialization.MixedAir (sim)Compile performance 0:02:12 → 0:04:00
Buildings_latestBuildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindow (sim)Failed → Verify
Buildings_latestBuildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindowExteriorShade (sim)Failed → Verify
Buildings_latestBuildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindowInteriorShade (sim)Verify → Failed
GreenhousesGreenhouses.Examples.GlobalSystem_2 (sim)Compile → Failed
GreenhousesGreenhouses.Examples.Greenhouse_2 (sim)Compile performance 0:09:50 → 0:03:17
MEVMEV.Test.TestStandardPatient (sim)Simulate → Compile
Modelica_3.2.3Modelica.Blocks.Examples.Rectifier12pulseFFT (sim)Compile performance 0:02:26 → 0:04:30
Modelica_3.2.3Modelica.Electrical.Analog.Examples.ControlledSwitchWithArc (sim)Simulate → Compile
Modelica_3.2.3Modelica.Electrical.Analog.Examples.OpAmps.Multivibrator (sim)Compile → Simulate
Modelica_3.2.3Modelica.Electrical.PowerConverters.Examples.ACDC.RectifierCenterTap2mPulse.ThyristorCenterTap2mPulse_RL (sim)Simulate → Compile
Modelica_3.2.3Modelica.Mechanics.MultiBody.Examples.Loops.EngineV6 (sim)Simulate → Failed
Modelica_4.0.0Modelica.Electrical.Analog.Examples.OpAmps.Multivibrator (sim)Simulate → Compile
Modelica_4.0.0Modelica.Electrical.PowerConverters.Examples.ACAC.Dimmer_RL (sim)Simulate → Compile
Modelica_4.0.0Modelica.Electrical.PowerConverters.Examples.ACAC.SoftStarter (sim)Simulate → Compile
Modelica_4.0.0Modelica.Electrical.PowerConverters.Examples.ACDC.RectifierCenterTap2mPulse.ThyristorCenterTap2mPulse_RL (sim)Simulate → Compile
Modelica_4.0.0Modelica.Magnetic.FluxTubes.Examples.MovingCoilActuator.ForceStrokeBehaviour (sim)Compile performance 12.59 → 21.72
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)Failed → Simulate
Modelica_trunkModelica.Electrical.PowerConverters.Examples.ACDC.RectifierCenterTap2mPulse.ThyristorCenterTap2mPulse_RL (sim)Simulate → Compile
OpenIPSLOpenIPSL.Examples.TwoAreas.Two_Areas_PSAT (sim)Simulate performance 5.69 → 15.36
OpenIPSLOpenIPSL.Tests.Controls.PSAT.OEL.AVRTypeII_OEL_Test (sim)Simulate → Compile
OpenIPSLOpenIPSL.Tests.Machines.PSAT.Order3test2_AVR (sim)Simulate → Compile
OpenIPSL_2.0.0OpenIPSL.Examples.TwoAreas.Two_Areas_PSAT (sim)Simulate performance 6.57 → 14.06
OpenIPSL_2.0.0OpenIPSL.Tests.Machines.PSAT.Order3test2_AVR (sim)Simulate → Compile
OpenIPSL_devOpenIPSL.Examples.TwoAreas.Two_Areas_PSAT (sim)Simulate performance 4.49 → 14.72
OpenIPSL_devOpenIPSL.Tests.Machines.PSAT.Order3test2_AVR (sim)Simulate → Compile
PowerSystems_latestPowerSystems.Examples.AC1ph_DC.Inverters.InverterToGrid (sim)Compile → Verify
ScalableTestGrids_nooptScalableTestGrids.Models.Type1.Type1_N_4_M_4 (sim)
ScalableTestSuiteScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_32 (sim)Failed → Simulate
ScalableTestSuiteScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillator_N_1600 (sim)Verify → Failed
ScalableTestSuiteScalableTestSuite.Mechanical.Strings.ScaledExperiments.StringModelica_N_32 (sim)Failed → Verify
ThermofluidStream_devThermofluidStream.Examples.ReverseHeatPump (sim)Verify → Compile