OpenModelica v1.27-cpp from 2026-09-12 18:38:51 to 2026-09-26 19:05:32

Summary

OMC Commits1
Libraries Changed3
Number of Improvements10
Number of Regressions1
Number of Performance Improvements7
Number of Performance Regressions2

OpenModelica Changes

CommitDateAuthorSummary
6db46716482026-09-17 09:53:32 +0200Martin SjölundCreate missing directories when extracting a zip (#16741)

OpenModelicaLibraryTesting Changes

CommitDateAuthorSummary
0329a8b2026-09-25 21:10:16 +0200Martin SjölundAdd a wasm-web job (#364)
950a4902026-09-23 21:18:33 +0200Martin SjölundAdd abortSlowSimulation for wasm-jit

Library Changes

LibraryChange
Buildings_12From version 12.1.2-maint.12.x (0600dc3f0972715f5f0f5c3d9cb7fe6872f15bf8) to 12.1.2-maint.12.x (e9ebcb25bd751593fe62e4c27871982c21812c62)
Buildings_latestFrom version 14.0.0-master (4736a77498afdaaa9356f0fe3bc768b24a510020) to 14.0.0-master (a3cfdde4e2fa1605f351875c2199b6aafaee7fe0)
ModelicaTest_3.2.3From version 3.2.3+maint.om (cf92afa70b1402a3d591ce8fe183043966e7bf42) to 3.2.3+maint.om (72bc91df9d48f91525651ed8d1fc7bceeec67661)

Models Affected

AixLibAixLib.Fluid.BoilerCHP.Examples.BoilerGeneric (sim)Failed → Templates
AixLibAixLib.Fluid.HeatPumps.ModularReversible.Examples.TableData3D_OneRoomRadiator (sim)Failed → Templates
AixLibAixLib.Fluid.HeatPumps.ModularReversible.Examples.VCLib4DAirToWater_OneRoomRadiator (sim)Failed → Templates
AixLibAixLib.Fluid.HeatPumps.ModularReversible.Examples.VCLib4DExhaustAirToWater_OneRoomRadiator (sim)Failed → Templates
AixLibAixLib.Fluid.HeatPumps.ModularReversible.Examples.VCLibAirToWater_OneRoomRadiator (sim)Failed → Templates
BuildingSystemsBuildingSystems.Fluid.Geothermal.Borefields.Examples.RectangularBorefield (sim)Simulate performance 9.13 → 18.38
Buildings_12Buildings.Utilities.IO.Files.Examples.JSONWriter (sim)Templates → Verify
Buildings_latestBuildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Economizers.Subsequences.Validation.Tuning_uEcoSta_uTowFanSpeMax (sim)Simulate → Verify
Buildings_latestBuildings.Utilities.IO.Files.Examples.JSONWriter (sim)Templates → Verify
ModelicaTest_3.2.3ModelicaTest.Blocks.FilterTests.AllOptions (sim)Simulate performance 47.09 → 23.02
PharmacolibraryPharmacolibrary.DevModels.Palivizumab.ViralInfectionDynamics2 (sim)Failed → Simulate
ScalableTestSuiteScalableTestSuite.Electrical.TransmissionLine.ScaledExperiments.TransmissionLineEquations_N_1280 (sim)Compile performance 0:01:00 → 27.32
ScalableTestSuiteScalableTestSuite.Thermal.Advection.ScaledExperiments.SimpleAdvection_N_1600 (sim)Simulate performance 4.57 → 10.49
ScalableTestSuite_nooptScalableTestSuite.Electrical.DistributionSystemAC.ScaledExperiments.DistributionSystemLinearIndividual_N_40_M_40 (sim)Compile → Templates
ScalableTestSuite_nooptScalableTestSuite.Electrical.TransmissionLine.ScaledExperiments.TransmissionLineEquations_N_640 (sim)Simulate performance 20.29 → 10.27
ScalableTestSuite_nooptScalableTestSuite.Elementary.SimpleODE.ScaledExperiments.CascadedFirstOrder_N_1600 (sim)Simulate performance 10.91 → 5.60
ScalableTestSuite_nooptScalableTestSuite.Elementary.SimpleODE.ScaledExperiments.CascadedFirstOrder_N_6400 (sim)Templates → Simulate
ScalableTestSuite_nooptScalableTestSuite.Power.ConceptualPowerSystem.ScaledExperiments.PowerSystemStepLoad_N_64_M_16 (sim)Simulate performance 14.83 → 6.20
ScalableTestSuite_nooptScalableTestSuite.Thermal.Advection.ScaledExperiments.AdvectionReaction_N_6400 (sim)Compile performance 0:02:49 → 0:01:14
ScalableTestSuite_nooptScalableTestSuite.Thermal.Advection.ScaledExperiments.SimpleAdvection_N_1600 (sim)Simulate performance 10.58 → 4.45