OpenModelica master from 2026-08-20 13:46:28 to 2026-08-21 01:20:22

Summary

OMC Commits11
Libraries Changed0
Number of Improvements12
Number of Regressions29
Number of Performance Improvements5
Number of Performance Regressions2

OpenModelica Changes

CommitDateAuthorSummary
67290279532026-08-20 22:50:51 +0200Adrian Pop[FMI] Send the parameters of an imported FMI 1.0 Co-Simulation FMU to the FMU (#16363) (#16366)
ddfdf2e8c92026-08-20 21:01:38 +0200Martin Sjölundwasm-jit: generic residuals, $START NLS unknowns (#16365)
510ef987ec2026-08-20 20:33:03 +0200Martin SjölundOMEdit wasm: link the simulation metadata tables (#16364)
2ada3ef8982026-08-20 18:43:24 +0200Adrian Pop[FMI] Apply imported FMU parameters before initialization (#16354), and two related import fixes (#16357)
63f97c6b032026-08-20 17:07:28 +0200Martin Sjölundwasm-jit: a call as a value is its first output (#16358)
a521503b9a2026-08-20 16:21:05 +0200Martin Sjölundwasm-jit: use the model's own usertab (#16355)
786a8ceeb62026-08-20 16:20:06 +0200Martin Sjölundwasm-jit: end the run and time events as C does (#16351)
992389fa332026-08-20 15:53:41 +0200Martin Sjölundwasm-jit: C's unsolved-linear-system messages (#16356)
8e2c0ad8ce2026-08-20 14:40:16 +0200AndreasUpdate OMSens_Qt plugin location Windows (#16353)
f90e740ad42026-08-20 14:33:43 +0200Martin Sjölundwasm-jit: symbolic ODE Jacobian and -jacobian (#16350)
15c719affd2026-08-20 14:05:49 +0200Julien SchuellerComp/SimRT: Fix CVODE FMU crash on fmi2Terminate/fmi2Reset (#16321)

OpenModelicaLibraryTesting Changes

CommitDateAuthorSummary
54cae492026-08-20 16:00:46 +0200Martin SjölundFor the Rust image: include libpython
26ba4cf2026-08-20 10:18:29 +0200Martin SjölundFix BuildSysPro's external "C" include directory (#319)

Library Changes

LibraryChange

Models Affected

Buildings_11Buildings.DHC.Plants.Combined.Examples.AllElectricCWStorage (sim)Templates performance 10.24 → 4.85
Buildings_11Buildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)Simulate performance 1.22 → 0:06:40
Buildings_11Buildings.ThermalZones.EnergyPlus_9_6_0.Examples.SmallOffice.Guideline36Winter (sim)Simulate → Compile
Buildings_11Buildings.Utilities.IO.Python_3_8.Examples.KalmanFilter (sim)Templates → Verify
Buildings_11Buildings.Utilities.IO.Python_3_8.Examples.SimpleRoom (sim)Templates → Verify
Buildings_11Buildings.Utilities.IO.Python_3_8.Functions.Examples.Exchange (sim)Templates → Verify
Buildings_11Buildings.Utilities.IO.Python_3_8.Functions.Examples.ExchangeWithPassPythonObject (sim)Templates → Verify
Buildings_12Buildings.DHC.ETS.Combined.Examples.ChillerBorefield (sim)Simulate → Compile
Buildings_12Buildings.DHC.Examples.Combined.SeriesVariableFlow (sim)Templates performance 12.44 → 5.40
Buildings_12Buildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)Simulate performance 1.22 → 0:06:40
Buildings_12Buildings.Utilities.IO.Python_3_8.Examples.KalmanFilter (sim)Templates → Verify
Buildings_12Buildings.Utilities.IO.Python_3_8.Examples.SimpleRoom (sim)Templates → Verify
Buildings_12Buildings.Utilities.IO.Python_3_8.Functions.Examples.Exchange (sim)Templates → Verify
Buildings_12Buildings.Utilities.IO.Python_3_8.Functions.Examples.ExchangeWithPassPythonObject (sim)Templates → Verify
ExternalMediaExternalMedia.Test.CoolProp.CO2.TestBasePropertiesDynamic (sim)Simulate → Failed
ExternalMediaExternalMedia.Test.CoolProp.CO2.TestBasePropertiesExplicit (sim)Simulate → Failed
ExternalMediaExternalMedia.Test.CoolProp.CO2.TestBasePropertiesImplicit (sim)Simulate → Failed
ExternalMediaExternalMedia.Test.CoolProp.CO2.TestBasePropertiesTranscritical (sim)Simulate → Failed
ExternalMediaExternalMedia.Test.CoolProp.CO2.TestStatesSatSubcritical (sim)Simulate → Templates
ExternalMediaExternalMedia.Test.CoolProp.CO2.TestStatesSupercritical (sim)Simulate → Templates
ExternalMediaExternalMedia.Test.CoolProp.CO2.TestStatesTranscritical (sim)Simulate → Templates
ExternalMediaExternalMedia.Test.CoolProp.CO2_Tabular.TestBasePropertiesDynamic (sim)Simulate → Failed
ExternalMediaExternalMedia.Test.CoolProp.CO2_Tabular.TestBasePropertiesExplicit (sim)Compile → Failed
ExternalMediaExternalMedia.Test.CoolProp.CO2_Tabular.TestBasePropertiesImplicit (sim)Simulate → Failed
ExternalMediaExternalMedia.Test.CoolProp.CO2_Tabular.TestBasePropertiesTranscritical (sim)Compile → Failed
ExternalMediaExternalMedia.Test.CoolProp.CO2_Tabular.TestStatesSatSubcritical (sim)Compile → Templates
ExternalMediaExternalMedia.Test.CoolProp.CO2_Tabular.TestStatesSupercritical (sim)Simulate → Templates
ExternalMediaExternalMedia.Test.CoolProp.CO2_Tabular.TestStatesTranscritical (sim)Compile → Templates
ExternalMediaExternalMedia.Test.CoolProp.Misc.RhoSmoothing (sim)Simulate → Templates
ExternalMediaExternalMedia.Test.CoolProp.Pentane.Pentane_hs (sim)Compile → Failed
ExternalMediaExternalMedia.Test.CoolProp.Pentane.Pentane_hs_state (sim)Simulate → Templates
ExternalMediaExternalMedia.Test.TestMedium.TestBasePropertiesDynamic (sim)Simulate → Failed
ExternalMediaExternalMedia.Test.TestMedium.TestBasePropertiesExplicit (sim)Simulate → Failed
ExternalMediaExternalMedia.Test.TestMedium.TestBasePropertiesImplicit (sim)Simulate → Failed
ExternalMediaExternalMedia.Test.TestMedium.TestConstants (sim)Simulate → Failed
ExternalMediaExternalMedia.Test.TestMedium.TestSat (sim)Simulate → Templates
ExternalMediaExternalMedia.Test.TestMedium.TestState (sim)Simulate → Templates
ExternalMediaExternalMedia.Test.TestMedium.TestStatesSat (sim)Simulate → Failed
IDEAS_devIDEAS.Airflow.Multizone.Examples.TrickleVentIDEAS (sim)Failed → Simulate
IDEAS_devIDEAS.Airflow.Multizone.Validation.DoorOpenClosed (sim)Failed → Simulate
KeyWordIOKeyWordIO.Examples.CaseExamples.ElectricalCases (sim)Templates → Simulate
Modelica_DeviceDriversModelica_DeviceDrivers.Blocks.Examples.TestSerialPackager_UDPExternalTrigger (sim)Compile → Simulate
ScalableTestGrids_nooptScalableTestGrids.GridModelBuilders.Type1Sample_N_1_M_2 (sim)Compile performance 27.73 → 5.10
ScalableTestGrids_nooptScalableTestGrids.GridModelBuilders.Type1Sample_N_2_M_2 (sim)BackEnd performance 16.45 → 6.16 Compile performance 31.28 → 16.84
ScalableTestGrids_nooptScalableTestGrids.Models.Type1.Type1_reduced_N_6_M_4 (sim)Simulate → Failed
ScalableTestGrids_nooptScalableTestGrids.Models.Type2.Type2_noTap___N_6_M_4 (sim)Simulate → Failed
ScalableTestSuiteScalableTestSuite.Thermal.Advection.ScaledExperiments.SteamPipe_N_1280 (sim)Verify → Failed
URDFModelica_mainURDFModelica.Examples.Physics.PhysicsTest (sim)Compile performance 41.77 → 14.34