OpenModelica master from 2026-04-01 00:18:29 to 2026-04-01 22:41:53

Summary

OMC Commits5
Libraries Changed2
Number of Improvements3
Number of Regressions26
Number of Performance Improvements2
Number of Performance Regressions2

OpenModelica Changes

CommitDateAuthorSummary
cdfa3511092026-04-01 17:20:43 +0200Per ÖstlundFix translateResidualsDAE (#15293)
0d5b93f98b2026-04-01 14:07:38 +0200Adeel AsgharAdded version to the library documentation (#15292)
d61b0623f32026-04-01 13:09:19 +0200Adeel AsgharFix resource not found errors (#15291)
a2aeb46f132026-04-01 12:31:35 +0200Per ÖstlundIgnore protected input in extractor models (#15290)
9dac3fceba2026-04-01 11:54:44 +0200Per ÖstlundFix some compiler warnings for the Windows build (#15284)

OpenModelicaLibraryTesting Changes

CommitDateAuthorSummary
8f4dee72026-04-01 15:14:49 +0200linuslangenkamp[GBODE] switch to Radau IIA once again (#282)
dbfd1362026-03-27 15:34:11 +0100linuslangenkamp[GBODE] set ESDIRK4 as default integrator (#281)

Library Changes

LibraryChange
Buildings_latestFrom version 13.0.0-master (https://github.com/lbl-srg/modelica-buildings/archive/dc18485a811428470bad3288af1371c771173d82.zip) to 13.0.0-master (https://github.com/lbl-srg/modelica-buildings/archive/c8d6753f48fc71aab4751bdc03803f7d0fb42ffe.zip)
ExternalMediaFrom version 4.0.0 (https://github.com/modelica-3rdparty/ExternalMedia/releases/download/v4.0.0/ExternalMedia-4.0.0.zip) to 4.1.1 (https://github.com/modelica-3rdparty/ExternalMedia/releases/download/v4.1.1/ExternalMedia-v4.1.1.zip)

Models Affected

Buildings_11Buildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)Simulate performance 0:06:40 → 0.18
Buildings_latestBuildings.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.GFunction_100boreholes (sim)Simulate → Verify
Buildings_latestBuildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)Simulate performance 0:13:20 → 0.21
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)Compile → 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)Compile → 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
Modelica_DeviceDriversModelica_DeviceDrivers.Blocks.Examples.TestSerialPackager_UDPAutoBufferSize (sim)Simulate → Compile
Modelica_DeviceDriversModelica_DeviceDrivers.Blocks.Examples.TestSerialPackager_UDPExternalTrigger (sim)Compile → Simulate
ScalableTestGrids_nooptScalableTestGrids.Models.Type1.Type1_N_8_M_4 (sim)FrontEnd → Templates
ScalableTestSuiteScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaActiveLoads_N_80_M_80 (sim)BackEnd performance 0:01:24 → 0:02:26
ScalableTestSuiteScalableTestSuite.Elementary.WhenEvents.ScaledExperiments.ManyEvents_N_4000_M_10 (sim)SimCode performance 16.05 → 36.48
ScalableTestSuiteScalableTestSuite.Elementary.WhenEvents.ScaledExperiments.ManyEvents_N_8000_M_10 (sim)Verify → Templates