OpenModelica v1.26-cpp from 2026-08-10 03:51:04 to 2026-08-16 18:11:38

Summary

OMC Commits	0
Libraries Changed	9
Number of Improvements	96
Number of Regressions	14
Number of Performance Improvements	4
Number of Performance Regressions	3

OpenModelica Changes

Commit	Date	Author	Summary

OpenModelicaLibraryTesting Changes

Commit	Date	Author	Summary
c65d56a	2026-08-14 08:44:36 +0200	Martin Sjölund	Add some MDD dependencies (#315)
2ee99a9	2026-08-13 18:23:01 +0200	Martin Sjölund	Install jinja2 in wasm-jit image for Buildings library (#314)

Library Changes

Library	Change
Buildings_12	Configuration hash (OMC settings or the testing script changed)
Buildings_latest	From version 14.0.0-master (https://github.com/lbl-srg/modelica-buildings/archive/280e075c0b1ca8d7004c3823c5a8835cb7f3e459.zip) to 14.0.0-master (https://github.com/lbl-srg/modelica-buildings/archive/e2e34db8e537c893cbecd33f295b85d55d3004e1.zip)
ModelicaTest_3.2.3	Configuration hash (OMC settings or the testing script changed)
ModelicaTest_4.1.0	Configuration hash (OMC settings or the testing script changed)
ModelicaTest_trunk	Configuration hash (OMC settings or the testing script changed)
ScalableTestSuite	Configuration hash (OMC settings or the testing script changed)
ScalableTestSuite_noopt	Configuration hash (OMC settings or the testing script changed)
ThermofluidStream	From version 1.3.0 (https://github.com/DLR-SR/ThermofluidStream/archive/e43023fd5b731416a60a0f0db21791f71f0d2baf.zip) to 1.4.0 (https://github.com/DLR-SR/ThermofluidStream/archive/0671da0a38d7e8afd920546d758f78011e540577.zip)
ThermofluidStream_dev	From version 1.3.0-main (63cb8314a7c14f757154ff0626be07c04862f223) to 1.4.0-main (06b887c2ae00d8ef7178c87cf919e835d403ffed)

Models Affected

Buildings_12	Buildings.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.Validation.Analytic_20Years (sim)	Compile → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Economizers.Subsequences.Validation.BypassValve (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Economizers.Subsequences.Validation.HeatExchangerPump (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Economizers.Subsequences.Validation.PredictedOutletTemperature (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Economizers.Subsequences.Validation.Tuning_uEcoSta_uTowFanSpeMax (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Economizers.Validation.Controller (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Generic.PlantEnable.Validation.DisableChillers (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Generic.PlantEnable.Validation.Enable (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Generic.PlantEnable.Validation.EnableDevices (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Generic.Validation.IdentifyStage (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.HeadPressure.Subsequences.Validation.ControlLoop (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.HeadPressure.Subsequences.Validation.MappingWithWSE (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.HeadPressure.Subsequences.Validation.MappingWithoutWSE (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.HeadPressure.Validation.Controller (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.MinimumFlowBypass.Validation.Controller (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Pumps.ChilledWater.Subsequences.Validation.EnableLag_primary_dP (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Pumps.ChilledWater.Subsequences.Validation.EnableLead_dedicated (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Pumps.ChilledWater.Subsequences.Validation.EnableLead_headered (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Pumps.ChilledWater.Subsequences.Validation.LocalDp_setpoint (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Pumps.ChilledWater.Subsequences.Validation.Speed_primary_localDp (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Pumps.ChilledWater.Subsequences.Validation.Speed_primary_remoteDp (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Pumps.ChilledWater.Validation.Controller (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Pumps.CondenserWater.Subsequences.Validation.EnableLead_dedicated (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Pumps.CondenserWater.Subsequences.Validation.EnableLead_headered (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Pumps.CondenserWater.Subsequences.Validation.Speed (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Pumps.CondenserWater.Validation.Controller (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.SetPoints.Validation.ChilledWaterPlantReset (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.SetPoints.Validation.ChilledWaterSupply (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Staging.Processes.Subsequences.Validation.CHWIsoVal (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Staging.Processes.Subsequences.Validation.DisableChiller (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Staging.Processes.Subsequences.Validation.DownStartWithoutOn (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Staging.Processes.Subsequences.Validation.EnableCWPump (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Staging.Processes.Subsequences.Validation.HeadControl (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Staging.Processes.Subsequences.Validation.NextChiller (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Staging.Processes.Subsequences.Validation.ReduceDemand (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Staging.Processes.Subsequences.Validation.ResetMinBypass (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Staging.Processes.Subsequences.Validation.UpEndWithOff (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Staging.Processes.Subsequences.Validation.UpEndWithoutOff (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Staging.SetPoints.Subsequences.Validation.Capacities_u (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Staging.SetPoints.Subsequences.Validation.Capacities_uLow_uHig (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Staging.SetPoints.Subsequences.Validation.CapacityRequirement (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Staging.SetPoints.Subsequences.Validation.Change (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Staging.SetPoints.Subsequences.Validation.Configurator_uChiAva (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Staging.SetPoints.Subsequences.Validation.Down (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Staging.SetPoints.Subsequences.Validation.EfficiencyCondition (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Staging.SetPoints.Subsequences.Validation.FailsafeCondition (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Staging.SetPoints.Subsequences.Validation.Initial_WSE (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Staging.SetPoints.Subsequences.Validation.Initial_noWSE (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Staging.SetPoints.Subsequences.Validation.PartLoadRatios_u_uTyp (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Staging.SetPoints.Subsequences.Validation.Up (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Staging.SetPoints.Validation.SetpointController_WSE (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Staging.SetPoints.Validation.SetpointController_noWSE (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Towers.FanSpeed.EnabledWSE.Subsequences.Validation.IntegratedOperation (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Towers.FanSpeed.EnabledWSE.Subsequences.Validation.WSEOperation (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Towers.FanSpeed.EnabledWSE.Validation.Controller (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Towers.FanSpeed.ReturnWaterTemperature.Subsequences.Validation.Coupled (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Towers.FanSpeed.ReturnWaterTemperature.Subsequences.Validation.Enable (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Towers.FanSpeed.ReturnWaterTemperature.Subsequences.Validation.LessCoupled (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Towers.FanSpeed.ReturnWaterTemperature.Subsequences.Validation.Setpoint (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Towers.FanSpeed.ReturnWaterTemperature.Validation.Controller (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Towers.FanSpeed.Validation.Controller (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Towers.Staging.Subsequences.Validation.CellsNumber (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Towers.Staging.Subsequences.Validation.ChangeCells (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Towers.Staging.Subsequences.Validation.StageProcesses (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Towers.Staging.Validation.Controller (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Towers.Validation.WaterLevel (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Towers.Validation.WithWSE (sim)	Simulate → Verify
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Towers.Validation.WithoutWSE (sim)	Simulate → Verify
Buildings_latest	Buildings.Examples.ChillerPlant.DataCenter.BaseClasses.Controls.Examples.BatteryControl (sim)	Simulate → Verify
Buildings_latest	Buildings.Examples.ChillerPlant.DataCenter.BaseClasses.Controls.Examples.ChillerSetPointControl (sim)	Simulate → Verify
Buildings_latest	Buildings.Examples.ChillerPlant.DataCenter.BaseClasses.Controls.Examples.ChillerSwitch (sim)	Simulate → Verify
Buildings_latest	Buildings.Examples.ChillerPlant.DataCenter.BaseClasses.Controls.Examples.KMinusU (sim)	Simulate → Verify
Buildings_latest	Buildings.Examples.ChillerPlant.DataCenter.BaseClasses.Controls.Examples.LinearPiecewiseTwo (sim)	Simulate → Verify
Buildings_latest	Buildings.Examples.ChillerPlant.DataCenter.BaseClasses.Controls.Examples.RequestCounter (sim)	Simulate → Verify
Buildings_latest	Buildings.Examples.ChillerPlant.DataCenter.BaseClasses.Controls.Examples.TrimAndRespond (sim)	Simulate → Verify
Buildings_latest	Buildings.Examples.ChillerPlant.DataCenter.BaseClasses.Controls.Examples.WSEControl (sim)	Simulate → Verify
Buildings_latest	Buildings.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.Validation.Measured_SmallScale (sim)	Simulate → Compile
ModelicaTest_3.2.3	ModelicaTest.Blocks.FilterTests.AllOptions (sim)	Simulate performance 0:01:01 → 30.21
ModelicaTest_4.1.0	ModelicaTest.Blocks.FilterTests.AllOptions (sim)	Simulate performance 18.08 → 33.48
ModelicaTest_trunk	ModelicaTest.Blocks.FilterTests.AllOptions (sim)	Simulate performance 17.71 → 39.05
ScalableTestSuite	ScalableTestSuite.Electrical.TransmissionLine.ScaledExperiments.TransmissionLineModelica_N_160 (sim)	Compile performance 14.07 → 25.47
ScalableTestSuite	ScalableTestSuite.Elementary.Tables.ScaledExperiments.CombiTimeTable_N_16000 (sim)	Failed → Verify
ScalableTestSuite	ScalableTestSuite.Elementary.Tables.ScaledExperiments.TimeTable_N_16000 (sim)	Failed → Verify
ScalableTestSuite	ScalableTestSuite.Thermal.Advection.ScaledExperiments.AdvectionReaction_N_3200 (sim)	Simulate → Compile
ScalableTestSuite	ScalableTestSuite.Thermal.Advection.ScaledExperiments.SimpleAdvection_N_1600 (sim)	Simulate performance 12.23 → 4.73
ScalableTestSuite	ScalableTestSuite.Thermal.Advection.ScaledExperiments.SimpleAdvection_N_6400 (sim)	Simulate → Compile
ScalableTestSuite	ScalableTestSuite.Thermal.Advection.ScaledExperiments.SteamPipe_N_640 (sim)	Simulate → Templates
ScalableTestSuite_noopt	ScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaActiveLoads_N_320_M_5 (sim)	Templates → Verify
ScalableTestSuite_noopt	ScalableTestSuite.Electrical.TransmissionLine.ScaledExperiments.TransmissionLineEquations_N_640 (sim)	Simulate performance 0:01:00 → 16.25
ScalableTestSuite_noopt	ScalableTestSuite.Elementary.SimpleODE.ScaledExperiments.CascadedFirstOrder_N_25600 (sim)	Compile → Failed
ScalableTestSuite_noopt	ScalableTestSuite.Elementary.Tables.ScaledExperiments.CombiTimeTable_N_16000 (sim)	Verify → Failed
ScalableTestSuite_noopt	ScalableTestSuite.Elementary.Tables.ScaledExperiments.TimeTable_N_16000 (sim)	Verify → Failed
ScalableTestSuite_noopt	ScalableTestSuite.Thermal.Advection.ScaledExperiments.SimpleAdvection_N_6400 (sim)	Compile → Simulate
ThermofluidStream	ThermofluidStream.Examples.EspressoMachine (sim)	Verify → Simulate
ThermofluidStream	ThermofluidStream.Examples.ReverseHeatPump (sim)	Simulate performance 0:10:20 → 48.78
ThermofluidStream	ThermofluidStream.Examples.SimpleStream (sim)	Verify → Simulate
ThermofluidStream	ThermofluidStream.FlowControl.Tests.PCV (sim)	Verify → Simulate
ThermofluidStream	ThermofluidStream.HeatExchangers.Tests.CounterFlowNTU (sim)	Simulate → Verify
ThermofluidStream	ThermofluidStream.HeatExchangers.Tests.CounterFlowNTU_parallel (sim)	Simulate → Verify
ThermofluidStream	ThermofluidStream.HeatExchangers.Tests.CounterFlowNTU_serial (sim)	Simulate → Verify
ThermofluidStream	ThermofluidStream.HeatExchangers.Tests.CounterFlowNTU_zeroMassFlow (sim)	Simulate → Verify
ThermofluidStream	ThermofluidStream.HeatExchangers.Tests.CrossFlowNTU (sim)	Simulate → Verify
ThermofluidStream	ThermofluidStream.HeatExchangers.Tests.CrossFlowNTU_zeroMassFlow (sim)	Simulate → Verify
ThermofluidStream	ThermofluidStream.Processes.Tests.CentrifugalPumpCharacteristics (sim)	Verify → Simulate
ThermofluidStream	ThermofluidStream.Processes.Tests.Pump (sim)	Verify → Simulate
ThermofluidStream	ThermofluidStream.Processes.Tests.Pump_dp_tau_centrifugal_DesignPoint (sim)	Verify → Simulate
ThermofluidStream	ThermofluidStream.Topology.Tests.TestDynamicTopology (sim)	Verify → Failed
ThermofluidStream_dev	ThermofluidStream.Boundaries.Tests.TankFillingClosedTank (sim)	Failed → Simulate
ThermofluidStream_dev	ThermofluidStream.Boundaries.Tests.TankHeating (sim)	Failed → Simulate
ThermofluidStream_dev	ThermofluidStream.Boundaries.Tests.TankOverfilling (sim)	Failed → Simulate
ThermofluidStream_dev	ThermofluidStream.Boundaries.Tests.TankSelfDraining (sim)	Failed → Templates
ThermofluidStream_dev	ThermofluidStream.Boundaries.Tests.TankSelfDraining2 (sim)	Failed → Simulate
ThermofluidStream_dev	ThermofluidStream.Media.additionalMedia.SingleGasAndIncompressible.Tests.TestSimpleLoopWithStaticHeadJP8DryAir (sim)	Failed → Verify
ThermofluidStream_dev	ThermofluidStream.Undirected.Boundaries.Tests.Tank_fillingClosedTank (sim)	Failed → Simulate
ThermofluidStream_dev	ThermofluidStream.Undirected.Boundaries.Tests.Tank_overfilling (sim)	Failed → Verify
ThermofluidStream_dev	ThermofluidStream.Undirected.Boundaries.Tests.Tank_selfDraining (sim)	Failed → Templates
ThermofluidStream_dev	ThermofluidStream.Undirected.Boundaries.Tests.Tank_upsideDownBottle (sim)	Failed → Simulate