OpenModelica newInst-daeMode from 2026-07-19 20:05:32 to 2026-07-22 05:09:22

Summary

OMC Commits6
Libraries Changed1
Number of Improvements6
Number of Regressions17
Number of Performance Improvements3
Number of Performance Regressions0

OpenModelica Changes

CommitDateAuthorSummary
4842f803b22026-07-21 08:45:07 +0200Martin Sjölundwasm-jit: add functionUpdateRelations (#16094)
d086b7cb2a2026-07-20 19:24:10 +0200Martin SjölundRust partest JUnit; wasm-jit robustness + refactor (#16091)
41b6f7a5f52026-07-20 11:41:34 +0200Martin SjölundExport MultiBody 3D visualization in FMUs (#16087)
099e898d2b2026-07-20 11:08:36 +0200kabdelhak[NB] Simplify complex when-equation conditions into discrete auxiliary variables (#16090)
5e5f6fb5b02026-07-20 08:49:41 +0200Martin Sjölundwasm-jit: non-scalarized arrays, nthRoot (#16083)
cb054fec712026-07-19 23:12:56 +0200kabdelhak[NB] Fix three --newBackend regressions in Buildings 12.0.0 (#16085)

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
Buildings_latestFrom version 14.0.0-master (https://github.com/lbl-srg/modelica-buildings/archive/36854481a51c26c04c6333ab07d75880d24fa097.zip) to 14.0.0-master (https://github.com/lbl-srg/modelica-buildings/archive/326c8f0230bf309fb94c4de85a9792809e9ad590.zip)

Models Affected

AixLibAixLib.Controls.HVACAgentBasedControl.Examples.BookTrading.NetworkCommunication2 (sim)Compile → Simulate
BuildSysProBuildSysPro.Building.BuildingEnvelope.HeatTransfer.Examples.DynamicTestLightedWall (sim)Templates → Compile
BuildSysProBuildSysPro.Building.Examples.OneZone (sim)Templates → Compile
Buildings_latestBuildings.DHC.ETS.BaseClasses.Validation.CollectorDistributor (sim)Verify → Compile
Buildings_latestBuildings.DHC.Loads.BaseClasses.Validation.BenchmarkFlowDistribution1 (sim)Verify → Compile
Buildings_latestBuildings.Examples.Tutorial.Boiler.System3 (sim)Verify → Compile
Buildings_latestBuildings.Fluid.FixedResistances.BuriedPipes.Examples.TwoPipesConduit (sim)Simulate performance 32.48 → 16.70
Buildings_latestBuildings.Fluid.HeatExchangers.CoolingTowers.Examples.FixedApproachDryBulb (sim)Compile → Verify
HelmholtzMediaHelmholtzMedia.Examples.BranchingDynamicPipes (sim)Compile → Templates
HelmholtzMediaHelmholtzMedia.Examples.ConvergenceTest.SinglePhase_Transport (sim)Simulate → Templates
HelmholtzMediaHelmholtzMedia.Examples.ConvergenceTest.SinglePhase_setState_pramp_Tsine (sim)Compile → Templates
HelmholtzMediaHelmholtzMedia.Examples.ConvergenceTest.SinglePhase_setState_psine_Tramp (sim)Simulate → Templates
HelmholtzMediaHelmholtzMedia.Examples.ConvergenceTest.TwoPhase_setState (sim)Simulate → Templates
HelmholtzMediaHelmholtzMedia.Examples.Parameter.SinglePhase_setState (sim)Simulate → Templates
HelmholtzMediaHelmholtzMedia.Examples.Parameter.State_Ts_parameter (sim)Simulate → Templates
HelmholtzMediaHelmholtzMedia.Examples.Parameter.State_pT_parameter (sim)Simulate → Templates
HelmholtzMediaHelmholtzMedia.Examples.Parameter.State_pd_parameter (sim)Simulate → Templates
HelmholtzMediaHelmholtzMedia.Examples.Parameter.State_ph_parameter (sim)Simulate → Templates
HelmholtzMediaHelmholtzMedia.Examples.Parameter.State_ps_parameter (sim)Simulate → Templates
HelmholtzMediaHelmholtzMedia.Examples.Parameter.setSat_parameter (sim)Simulate → Templates
HelmholtzMediaHelmholtzMedia.Examples.Validation.MaxwellLoop (sim)Simulate → Templates
HelmholtzMediaHelmholtzMedia.Examples.Validation.idealGasLimit (sim)Simulate → Templates
Modelica_DeviceDriversModelica_DeviceDrivers.Blocks.Examples.TestSerialPackager_UDPAutoBufferSize (sim)Compile → Simulate
ScalableTestGrids_nooptScalableTestGrids.Models.Type1.Type1_N_8_M_4 (sim)FrontEnd → Simulate
ScalableTestGrids_nooptScalableTestGrids.Models.Type2.Type2_noTap___N_6_M_4 (sim)Simulate performance 20.80 → 10.04
ScalableTestSuiteScalableTestSuite.Elementary.SimpleODE.ScaledExperiments.CascadedFirstOrder_N_25600 (sim)Simulate performance 23.49 → 9.32