OpenModelica newInst-newBackend from 2026-07-09 22:23:07 to 2026-07-10 23:52:35

Summary

OMC Commits7
Libraries Changed0
Number of Improvements23
Number of Regressions3
Number of Performance Improvements3
Number of Performance Regressions0

OpenModelica Changes

CommitDateAuthorSummary
324c3bf3be2026-07-10 23:14:46 +0200kabdelhak [NB] Fix FlueGas regressions from #15045 (resizable sparsity pattern) (#16036)
ac7b4d861f2026-07-10 20:09:07 +0200Martin SjölundCooperative cancel of operations (#16028)
30a5e4b1112026-07-10 18:13:36 +0200Martin Sjölundwasm simulator: 3D MultiBody animation view (#16037)
11c7978bcc2026-07-10 17:24:37 +0200Per ÖstlundImprove `omc --help=flag` (#16032)
8311e0401c2026-07-10 14:03:45 +0200Per ÖstlundFix JSON dump of enum typenames (#16033)
ba3ed9b2272026-07-10 04:40:10 -0400asalimian[FMI] Fix CVODE_SOLVER allocator/free mismatch in CS-FMU export (#16011)
5b1a1bbb992026-07-10 09:08:43 +0200kabdelhak[NB,NF] store VariableAttributes attribute fields as Option (#16023)

OpenModelicaLibraryTesting Changes

CommitDateAuthorSummary
6697fc02026-07-06 18:25:17 +0200linuslangenkamp[GBODE] set Radau IIA 3-stage, remove embedded error estimate (#288)
d357aff2026-06-12 13:26:07 +0200AndreasFix OMSimulator submodule update when directory layout changes (#287)

Library Changes

LibraryChange

Models Affected

BidiDCDCBidiDCDC.Examples.TransferFunction (sim)SimCode → Compile
BuildSysProBuildSysPro.IBPSA.ThermalZones.ReducedOrder.Examples.SimpleRoomOneElement (sim)Failed → FrontEnd
ClaRa_devClaRa.Basics.ControlVolumes.FluidVolumes.Check.Validation_VolumeVLE_L2_HeatTransfer_2ph_shell (sim)
ModelicaTest_3.2.3ModelicaTest.Blocks.PadeDelay1 (sim)SimCode → Templates
ModelicaTest_3.2.3ModelicaTest.Blocks.PadeDelay2 (sim)SimCode → Compile
ModelicaTest_3.2.3ModelicaTest.Media.TestOnly.FlueGas (sim)SimCode → Verify
ModelicaTest_4.0.0ModelicaTest.Blocks.PadeDelay1 (sim)SimCode → Templates
ModelicaTest_4.0.0ModelicaTest.Blocks.PadeDelay2 (sim)SimCode → Compile
ModelicaTest_4.0.0ModelicaTest.Media.TestOnly.FlueGas (sim)SimCode → Verify
ModelicaTest_4.1.0ModelicaTest.Blocks.PadeDelay1 (sim)SimCode → Templates
ModelicaTest_4.1.0ModelicaTest.Blocks.PadeDelay2 (sim)SimCode → Compile
ModelicaTest_4.1.0ModelicaTest.Media.TestOnly.FlueGas (sim)SimCode → Verify
ModelicaTest_trunkModelicaTest.Blocks.PadeDelay1 (sim)SimCode → Templates
ModelicaTest_trunkModelicaTest.Blocks.PadeDelay2 (sim)SimCode → Compile
ModelicaTest_trunkModelicaTest.Media.TestOnly.FlueGas (sim)SimCode → Verify
Modelica_3.2.3Modelica.Media.Examples.TestOnly.FlueGas (sim)SimCode → Verify
OpenIPSL_devOpenIPSL.Examples.DAEMode.N44_Base_Case_Systems.Nordic44_Base_Case_StateEvents (sim)
OpenIPSL_devOpenIPSL.Examples.DAEMode.N44_Base_Case_Systems.Nordic44_Base_Case_StateEvents2 (sim)
OpenIPSL_devOpenIPSL.Examples.DAEMode.N44_Base_Case_Systems.Nordic44_Base_Case_StateEvents3 (sim)
PhysiolibraryPhysiolibrary.Fluid.Examples.AirWaterSaturation (sim)FrontEnd → Compile
ScalableTestGrids_nooptScalableTestGrids.Models.Type1.Type1_N_3_M_4 (sim)Failed → Compile
ScalableTestGrids_nooptScalableTestGrids.Models.Type1.Type1_N_6_M_4 (sim)FrontEnd → Failed
ScalableTestGrids_nooptScalableTestGrids.Models.Type1.Type1_N_8_M_4 (sim)FrontEnd → Failed
ScalableTestGrids_nooptScalableTestGrids.Models.Type1.Type1_reduced_N_3_M_4 (sim)Templates performance 36.93 → 21.63
ScalableTestGrids_nooptScalableTestGrids.Models.Type2.Type2_noTap___N_3_M_4 (sim)Templates performance 45.90 → 22.35
ScalableTestGrids_nooptScalableTestGrids.Models.Type2.Type2_tapEv___N_3_M_4 (sim)Templates performance 38.11 → 17.57
ScalableTestGrids_nooptScalableTestGrids.Models.Type2.Type2_tapEv___N_6_M_4 (sim)FrontEnd → Failed
ScalableTestSuiteScalableTestSuite.Thermal.DistrictHeating.ScaledExperiments.HeatingSystem_N_320 (sim)Compile → Simulate
ScalableTestSuiteScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTT_FD_N_20 (sim)Compile → Verify
ScalableTestSuite_nooptScalableTestSuite.Power.ConceptualPowerSystem.ScaledExperiments.PowerSystemStepLoad_N_64_M_8 (sim)Compile → Verify
TAeZoSysPro_testsuiteTAeZoSysPro_testsuite.HeatTransfer.Functions.MeshGrid.test_uniformGrid (sim)FrontEnd → Simulate
ThermoPowerThermoPower.Test.DistributedParameterComponents.TestWalls (sim)FrontEnd → Simulate
ThermoPower_4.0.0-devThermoPower.Test.DistributedParameterComponents.TestWalls (sim)FrontEnd → Simulate