OpenModelica master from 2026-05-01 23:57:19 to 2026-05-03 16:32:59

Summary

OMC Commits1
Libraries Changed4
Number of Improvements20
Number of Regressions10
Number of Performance Improvements1
Number of Performance Regressions1

OpenModelica Changes

CommitDateAuthorSummary
6c3ff66db32026-05-03 15:51:41 +0200Adrian Popinclude the version in the file name (#15478)

OpenModelicaLibraryTesting Changes

CommitDateAuthorSummary
1dd4db72026-04-19 14:25:16 +0200Adrian Popforce fetch of tags to handle the floating tag 'nightly' (#285)
e83c3f42026-04-14 08:15:53 +0200Adrian Popcannot run python -m fmpy via check_output_log (#284)

Library Changes

LibraryChange
Buildings_12From version 12.1.1-maint.12.x (https://github.com/lbl-srg/modelica-buildings/archive/fe09072c92b91b605c9c712ddf54b9a64178b622.zip) to 12.1.1-maint.12.x (https://github.com/lbl-srg/modelica-buildings/archive/04b122f0c444f3a505163c76e7294db4964c62a8.zip)
Buildings_latestFrom version 13.0.0-master (https://github.com/lbl-srg/modelica-buildings/archive/0d7cf53f81085ebd20a71b8cc29e366c236c6808.zip) to 13.0.0-master (https://github.com/lbl-srg/modelica-buildings/archive/bf456b3a4a2e5ec26a38913aef7390afd62fa686.zip)
ThermofluidStreamConfiguration hash (OMC settings or the testing script changed)
ThermofluidStream_devConfiguration hash (OMC settings or the testing script changed)

Models Affected

Buildings_12Buildings.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.GFunction_100boreholes (sim)Simulate → Verify
Buildings_12Buildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)Simulate performance 0:06:40 → 0.18
Buildings_latestBuildings.Air.Systems.SingleZone.VAV.Examples.Guideline36 (sim)Verify → Simulate
Buildings_latestBuildings.Applications.DataCenters.ChillerCooled.Examples.IntegratedPrimaryLoadSideEconomizer (sim)Simulate → Verify
Buildings_latestBuildings.Applications.DataCenters.ChillerCooled.Examples.IntegratedPrimarySecondaryEconomizer (sim)Simulate → Verify
Buildings_latestBuildings.Applications.DataCenters.ChillerCooled.Examples.NonIntegratedPrimarySecondaryEconomizer (sim)Simulate → Verify
Buildings_latestBuildings.DHC.Loads.BaseClasses.Validation.FlowDistributionPumpControl (sim)Simulate → Verify
Buildings_latestBuildings.Examples.ChillerPlant.DataCenterContinuousTimeControl (sim)Simulate → Verify
Buildings_latestBuildings.Examples.ChillerPlant.DataCenterDiscreteTimeControl (sim)Simulate → Verify
Buildings_latestBuildings.Examples.DualFanDualDuct.ClosedLoop (sim)Verify → Simulate
Buildings_latestBuildings.Examples.Tutorial.SimpleHouse.SimpleHouse6 (sim)Verify → Simulate
Buildings_latestBuildings.Fluid.HeatExchangers.CoolingTowers.Examples.DryCooler (sim)Simulate → Verify
Buildings_latestBuildings.Fluid.HeatExchangers.CoolingTowers.Examples.Merkel (sim)Simulate → Verify
Buildings_latestBuildings.Fluid.Sources.Examples.Outside_CpData (sim)Verify → Simulate
Buildings_latestBuildings.Fluid.Sources.Examples.Outside_CpData_Angles (sim)Verify → Simulate
Buildings_latestBuildings.Fluid.Sources.Examples.Outside_CpLowRise (sim)Verify → Simulate
Buildings_latestBuildings.Media.Antifreeze.Functions.Validation.EthyleneGlycolWater (sim)Simulate → Verify
Buildings_latestBuildings.Media.Antifreeze.Functions.Validation.PropyleneGlycolWater (sim)Simulate → Verify
Buildings_latestBuildings.ThermalZones.EnergyPlus_24_2_0.Examples.SmallOffice.Guideline36Summer (sim)Verify → Simulate
Buildings_latestBuildings.Utilities.IO.Python_3_12.Examples.KalmanFilter (sim)Simulate → Verify
Buildings_latestBuildings.Utilities.IO.Python_3_12.Examples.SimpleRoom (sim)Simulate → Verify
Buildings_latestBuildings.Utilities.IO.Python_3_12.Functions.Examples.Exchange (sim)Simulate → Verify
Buildings_latestBuildings.Utilities.IO.Python_3_12.Functions.Examples.ExchangeWithPassPythonObject (sim)Simulate → Verify
Modelica_DeviceDriversModelica_DeviceDrivers.Blocks.Examples.TestSerialPackager_MQTT (sim)Simulate → Compile
Modelica_DeviceDriversModelica_DeviceDrivers.Blocks.Examples.TestSerialPackager_UDPExternalTrigger (sim)Simulate → Compile
Modelica_DeviceDriversModelica_DeviceDrivers.Blocks.Examples.TestSerialPackager_UDPWithoutReceiveThread (sim)Compile → Simulate
ScalableTestSuiteScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaIndividual_N_80_M_80 (sim)Verify → Failed
ScalableTestSuite_nooptScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaActiveLoads_N_80_M_80 (sim)BackEnd performance 0:01:29 → 0:02:37
ThermofluidStreamThermofluidStream.Processes.Tests.Pump (sim)Simulate → Verify
ThermofluidStreamThermofluidStream.Processes.Tests.Pump_dp_tau_centrifugal_DesignPoint (sim)Simulate → Verify
ThermofluidStream_devThermofluidStream.Processes.Tests.Pump (sim)Simulate → Verify
ThermofluidStream_devThermofluidStream.Processes.Tests.Pump_dp_tau_centrifugal_DesignPoint (sim)Simulate → Verify