OpenModelica v1.26-fmi from 2026-10-10 10:31:26 to 2026-10-17 06:43:43

Summary

OMC Commits0
Libraries Changed17
Number of Improvements38
Number of Regressions30
Number of Performance Improvements3
Number of Performance Regressions2

OpenModelica Changes

CommitDateAuthorSummary

OpenModelicaLibraryTesting Changes

CommitDateAuthorSummary
fe2633a2026-10-12 11:42:44 +0200AndreasList the heavy models for Buildings 13, not 11 (#372)
49e56392026-10-10 21:20:49 +0200Francesco CasellaReinstate --resizeableArrays in LargeTestSuite_NB (#371)

Library Changes

LibraryChange
Buildings_12From version 12.1.3-maint.12.x (5173c8be1a143096f36e4191613eb532f703b54c) OMSimulator v3.0.0.post199-gc0a5875-linux to 12.1.3-maint.12.x (5173c8be1a143096f36e4191613eb532f703b54c) OMSimulator v3.0.0.post200-g82c99d7-linux
Buildings_latestFrom version 14.1.0-master (b83b2278b31f61dac4ae8e55b7e9b48cd2b3e049) OMSimulator v3.0.0.post199-gc0a5875-linux to 14.1.0-master (11e34d2187abaac63d5b63b269a7e16543403441) OMSimulator v3.0.0.post200-g82c99d7-linux
DynawoFrom version 1.7.0 (6211f2e9c98dd45c49fc4724aa9ae768a372af83) OMSimulator v3.0.0.post199-gc0a5875-linux to 1.8.0 (1f31241aabc2e6e00546ad4552d91c7aa181b73f) OMSimulator v3.0.0.post200-g82c99d7-linux
Dynawo_devFrom version 2.0.0-master (f76114f2a4bae3ac18646cc770c536432ae88848) OMSimulator v3.0.0.post199-gc0a5875-linux to 2.0.0-master (11ddaccf7b9869a3f1bbd4d11bb6f2db749b069b) OMSimulator v3.0.0.post200-g82c99d7-linux
HelmholtzMediaFrom version 2.1.0-main (2045ee572a098a340f377b0902a2206ba2444680) OMSimulator v3.0.0.post199-gc0a5875-linux to 3.0.0-main (1444591eec8add1c1e1a334bf65faf2a8f4bf1af) OMSimulator v3.0.0.post200-g82c99d7-linux
Modelica_3.2.3From version 3.2.3+maint.om (72bc91df9d48f91525651ed8d1fc7bceeec67661) OMSimulator v3.0.0.post199-gc0a5875-linux to 3.2.3+maint.om (72bc91df9d48f91525651ed8d1fc7bceeec67661) OMSimulator v3.0.0.post200-g82c99d7-linux
Modelica_4.0.0From version 4.0.0+maint.om (bbdadca3e90d73e42b9c86e184e8a5fb2a8120a8) OMSimulator v3.0.0.post199-gc0a5875-linux to 4.0.0+maint.om (bbdadca3e90d73e42b9c86e184e8a5fb2a8120a8) OMSimulator v3.0.0.post200-g82c99d7-linux
Modelica_4.1.0From version 4.1.0+maint.om (8df0769a9cee6ad04ddfff95faee64cd70f662ec) OMSimulator v3.0.0.post199-gc0a5875-linux to 4.1.0+maint.om (8df0769a9cee6ad04ddfff95faee64cd70f662ec) OMSimulator v3.0.0.post200-g82c99d7-linux
Modelica_trunkFrom version trunk (8ee553049a567efb375b80e6b0bad7363c427300) OMSimulator v3.0.0.post199-gc0a5875-linux to trunk (b6eaa45738b32a5d777b0ce16ec8ebe1ab1ad5b8) OMSimulator v3.0.0.post200-g82c99d7-linux
OpenIPSLFrom version 3.1.0 (0ee96c3bcf71330916fbaba60a82eeaac5e1ffb5) OMSimulator v3.0.0.post199-gc0a5875-linux to 3.1.0 (0ee96c3bcf71330916fbaba60a82eeaac5e1ffb5) OMSimulator v3.0.0.post200-g82c99d7-linux
OpenIPSL_2.0.0From version 2.0.0 (052ec37cdfd40e6e5506ec146d98afd40fe2792f) OMSimulator v3.0.0.post199-gc0a5875-linux to 2.0.0 (052ec37cdfd40e6e5506ec146d98afd40fe2792f) OMSimulator v3.0.0.post200-g82c99d7-linux
OpenIPSL_devFrom version 3.2.0-dev (4df416b27860e1ae8c68c8602f3fb4fbe4c398b6) OMSimulator v3.0.0.post199-gc0a5875-linux to 3.2.0-dev (ef5b9fa4157e76ef26b6412acff9418b4820bc5f) OMSimulator v3.0.0.post200-g82c99d7-linux
ScalableTestGrids_nooptFrom version 1.2.0 (f18d08e87f948a85992343913e1adfd7d24cad95) OMSimulator v3.0.0.post199-gc0a5875-linux to 1.2.0 (f18d08e87f948a85992343913e1adfd7d24cad95) OMSimulator v3.0.0.post200-g82c99d7-linux
ScalableTestSuiteFrom version 2.2.0-master (c9a7574b31142fa976d20ab6970d78639c125ceb) OMSimulator v3.0.0.post199-gc0a5875-linux to 2.2.0-master (2e288e71eb0a7834310827144462726180d10500) OMSimulator v3.0.0.post200-g82c99d7-linux
ScalableTestSuite_nooptFrom version 2.2.0-master (c9a7574b31142fa976d20ab6970d78639c125ceb) OMSimulator v3.0.0.post199-gc0a5875-linux to 2.2.0-master (2e288e71eb0a7834310827144462726180d10500) OMSimulator v3.0.0.post200-g82c99d7-linux
ThermofluidStreamFrom version 1.4.0 (0671da0a38d7e8afd920546d758f78011e540577) OMSimulator v3.0.0.post199-gc0a5875-linux to 1.4.1 (04ed5dcf7f8c6974b90c2e6c57eea7c0680ab773) OMSimulator v3.0.0.post200-g82c99d7-linux
ThermofluidStream_devFrom version 1.4.0-main (50a7ce5919ce360d8054773899683d1c2c27a8db) OMSimulator v3.0.0.post199-gc0a5875-linux to 1.4.1-main (04ed5dcf7f8c6974b90c2e6c57eea7c0680ab773) OMSimulator v3.0.0.post200-g82c99d7-linux

Models Affected

Buildings_12Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case920 (sim)Simulate → Compile
Buildings_latestBuildings.Examples.DualFanDualDuct.ClosedLoop (sim)Failed → Compile
Buildings_latestBuildings.Examples.HydronicHeating.TwoRoomsWithStorage (sim)SimCode performance 19.91 → 11.53
Buildings_latestBuildings.Examples.ScalableBenchmarks.BuildingVAV.Examples.TwoFloor_TwoZone (sim)Failed → Compile
Buildings_latestBuildings.Examples.VAVReheat.ASHRAE2006 (sim)Failed → Compile
Buildings_latestBuildings.Media.Antifreeze.Functions.Validation.PropyleneGlycolWater (sim)Verify → Simulate
DynawoDynawo.Examples.ENTSOE.TestCase3 (sim)Simulate → Compile
DynawoDynawo.Examples.IllustrativeExamples.DynaFlow.CoordinatedVControl (sim)Failed → BackEnd
DynawoDynawo.Examples.RVS.TestCases.LoadFlow (sim)Failed → BackEnd
DynawoDynawo.Examples.SMIB.Standard.GovCt2St4b (sim)Compile → Simulate
DynawoDynawo.Examples.SMIB.Standard.GovSteamEuSt4b (sim)Simulate → Compile
Dynawo_devDynawo.Examples.GridCodeSimulations.SheetSimulations.SheetI5 (sim)Simulate → Verify
Dynawo_devDynawo.Examples.Wind.IEC.Neplan.WT4ACurrentSource2020FOCB (sim)Failed → SimCode
HelmholtzMediaHelmholtzMedia.Examples.BranchingDynamicPipes (sim)Compile → Failed
HelmholtzMediaHelmholtzMedia.Examples.MediaTestModels.ButaneTestModel_dT (sim)Compile → Failed
HelmholtzMediaHelmholtzMedia.Examples.MediaTestModels.ButaneTestModel_dT_component_ph (sim)Compile → Failed
HelmholtzMediaHelmholtzMedia.Examples.MediaTestModels.ButaneTestModel_pT (sim)Compile → Failed
HelmholtzMediaHelmholtzMedia.Examples.MediaTestModels.ButaneTestModel_ph (sim)Simulate → Failed
HelmholtzMediaHelmholtzMedia.Examples.MediaTestModels.CarbondioxideTestModel (sim)Simulate → Failed
HelmholtzMediaHelmholtzMedia.Examples.MediaTestModels.EthanolTestModel (sim)Simulate → Failed
HelmholtzMediaHelmholtzMedia.Examples.MediaTestModels.EthanolTestModel2 (sim)Compile → Failed
HelmholtzMediaHelmholtzMedia.Examples.MediaTestModels.HeliumTestModel (sim)Compile → Failed
HelmholtzMediaHelmholtzMedia.Examples.MediaTestModels.IsobutaneTestModel (sim)Simulate → Failed
HelmholtzMediaHelmholtzMedia.Examples.MediaTestModels.IsopentaneTestModel (sim)Compile → Failed
HelmholtzMediaHelmholtzMedia.Examples.MediaTestModels.PentaneTestModel (sim)Simulate → Failed
HelmholtzMediaHelmholtzMedia.Examples.MediaTestModels.PropaneTestModel (sim)Simulate → Failed
HelmholtzMediaHelmholtzMedia.Examples.MediaTestModels.R134aTestModel (sim)Simulate → Failed
HelmholtzMediaHelmholtzMedia.Examples.MediaTestModels.R134aTestModel2 (sim)Compile → Failed
HelmholtzMediaHelmholtzMedia.Examples.MediaTestModels.R134a_ASHRAE_TestModel_ph (sim)Simulate → Failed
Modelica_3.2.3Modelica.Electrical.Machines.Examples.Transformers.Rectifier12pulse (sim)Verify → Simulate
Modelica_3.2.3Modelica.Electrical.PowerConverters.Examples.ACDC.RectifierBridge2Pulse.DiodeBridge2Pulse (sim)Verify → Simulate
Modelica_3.2.3Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SMPM_Braking (sim)Compile → Simulate
Modelica_4.0.0Modelica.Electrical.Machines.Examples.InductionMachines.IMC_InverterDrive (sim)Simulate → Compile
Modelica_4.0.0Modelica.Electrical.PowerConverters.Examples.ACDC.RectifierBridge2Pulse.DiodeBridge2Pulse (sim)Verify → Simulate
Modelica_4.0.0Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMEE_Rectifier (sim)Simulate → Verify
Modelica_4.0.0Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMPM_Braking (sim)Compile → Verify
Modelica_4.1.0Modelica.Electrical.PowerConverters.Examples.ACDC.RectifierBridge2Pulse.DiodeBridge2Pulse (sim)Verify → Simulate
Modelica_4.1.0Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMEE_Rectifier (sim)Simulate → Verify
Modelica_trunkModelica.Electrical.PowerConverters.Examples.ACDC.RectifierBridge2Pulse.DiodeBridge2Pulse (sim)Verify → Simulate
Modelica_trunkModelica.Magnetic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMEE_Rectifier (sim)Simulate → Verify
OpenIPSLOpenIPSL.Tests.Branches.PSAT.PhaseShiftingTransformer_Test (sim)Compile → Simulate
OpenIPSL_2.0.0OpenIPSL.Examples.DAEMode.N44_Base_Case_Systems.Nordic44_Base_Case_StateEvents (sim)Compile → Failed
OpenIPSL_2.0.0OpenIPSL.Tests.Branches.PSAT.PhaseShiftingTransformer_Test (sim)Compile → Simulate
OpenIPSL_devOpenIPSL.Examples.IEEE14.IEEE_14_Buses (sim)Compile → Simulate
OpenIPSL_devOpenIPSL.Examples.TwoAreas.Two_Areas_PSAT (sim)Simulate → Compile
OpenIPSL_devOpenIPSL.Tests.Branches.PSAT.PhaseShiftingTransformer_Test (sim)Compile → Simulate
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_1280_M_10 (sim)Compile → Failed
ScalableTestSuiteScalableTestSuite.Power.ConceptualPowerSystem.ScaledExperiments.PowerSystemStepLoad_N_64_M_4 (sim)Failed → Verify
ScalableTestSuiteScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTI_FD_N_1280 (sim)Simulate performance 14.44 → 7.61
ScalableTestSuite_nooptScalableTestSuite.Electrical.BreakerCircuits.ScaledExperiments.BreakerNetwork_N_1280_M_10 (sim)Failed → Compile
ScalableTestSuite_nooptScalableTestSuite.Mechanical.Strings.ScaledExperiments.StringModelica_N_32 (sim)Verify → Compile
ScalableTestSuite_nooptScalableTestSuite.Thermal.Advection.ScaledExperiments.AdvectionReaction_N_1600 (sim)Compile → Simulate
ScalableTestSuite_nooptScalableTestSuite.Thermal.Advection.ScaledExperiments.SteamPipe_N_320 (sim)Compile performance 0:02:35 → 0:01:29
ScalableTestSuite_nooptScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTI_FD_N_1280 (sim)Simulate performance 7.74 → 13.64
ScalableTestSuite_nooptScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTT_FD_N_1280 (sim)Simulate performance 7.28 → 12.87
ScalableTestSuite_nooptScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CocurrentHeatExchangerEquations_N_640 (sim)Compile → Verify
ScalableTestSuite_nooptScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CounterCurrentHeatExchangerEquations_N_640 (sim)Compile → Verify
ThermofluidStreamThermofluidStream.Boundaries.Tests.TankFillingClosedTank (sim)Failed → Simulate
ThermofluidStreamThermofluidStream.Boundaries.Tests.TankHeating (sim)Failed → Simulate
ThermofluidStreamThermofluidStream.Boundaries.Tests.TankOverfilling (sim)Failed → Simulate
ThermofluidStreamThermofluidStream.Boundaries.Tests.TankSelfDraining (sim)Failed → Simulate
ThermofluidStreamThermofluidStream.Boundaries.Tests.TankSelfDraining2 (sim)Failed → Simulate
ThermofluidStreamThermofluidStream.Media.additionalMedia.Incompressible.Tests.TestLiqLoopJP8 (sim)Compile → Simulate
ThermofluidStreamThermofluidStream.Media.additionalMedia.SingleGasAndIncompressible.Tests.TestJP8DryAir (sim)Failed → Verify
ThermofluidStreamThermofluidStream.Media.additionalMedia.SingleGasAndIncompressible.Tests.TestLiqLoopJP8DryAir (sim)Compile → Simulate
ThermofluidStreamThermofluidStream.Media.additionalMedia.SingleGasAndIncompressible.Tests.TestSimpleLoopWithStaticHeadJP8DryAir (sim)Failed → Verify
ThermofluidStreamThermofluidStream.Topology.Tests.TestDynamicTopology (sim)Failed → Verify
ThermofluidStreamThermofluidStream.Undirected.Boundaries.Tests.Tank_fillingClosedTank (sim)Failed → Simulate
ThermofluidStreamThermofluidStream.Undirected.Boundaries.Tests.Tank_overfilling (sim)Failed → Verify
ThermofluidStreamThermofluidStream.Undirected.Boundaries.Tests.Tank_selfDraining (sim)Failed → Simulate
ThermofluidStreamThermofluidStream.Undirected.Boundaries.Tests.Tank_upsideDownBottle (sim)Failed → Simulate
ThermofluidStream_devThermofluidStream.Media.additionalMedia.SingleGasAndIncompressible.Tests.TestJP8DryAir (sim)Failed → Verify
ThermofluidStream_devThermofluidStream.Media.additionalMedia.SingleGasAndIncompressible.Tests.TestLiqLoopJP8DryAir (sim)Compile → Simulate