OpenModelica v1.27-fmi from 2026-06-14 04:56:35 to 2026-06-20 22:27:14

Summary

OMC Commits2
Libraries Changed4
Number of Improvements1
Number of Regressions3
Number of Performance Improvements15
Number of Performance Regressions6

OpenModelica Changes

CommitDateAuthorSummary
47273bfe962026-06-19 11:45:01 +0300Adrian PopPort several fixes from master (#15868)
04dcd6c1cd2026-06-16 13:36:00 +0200Adeel AsgharOMEdit fixes (#15850)

OpenModelicaLibraryTesting Changes

CommitDateAuthorSummary
d357aff2026-06-12 13:26:07 +0200AndreasFix OMSimulator submodule update when directory layout changes (#287)
12a01782026-06-06 12:43:09 +0200Adrian Popdrop v1.25 and add v1.27 (#286)

Library Changes

LibraryChange
Buildings_12From version 12.1.2-maint.12.x (https://github.com/lbl-srg/modelica-buildings/archive/d3a0ed3420e7949a9ca71d8965e00b04c9fab918.zip) warning: Failed to load settings: [json.exception.parse_error.101] parse error at line 3, column 2: syntax error while parsing value - invalid literal; last read: '"temp_AixLib_AixLib_Fluid_HeatPumps_Validation_ReciprocatingWaterToWater_Static_fmu"}_'; expected end of input OMSimulator v3.0.0.post141-gcc6814d-linux-debug info: 1 warnings info: 0 errors to 12.1.2-maint.12.x (https://github.com/lbl-srg/modelica-buildings/archive/954bdb596b7b5da465309f930e0d74896222234a.zip) warning: Failed to load settings: [json.exception.parse_error.101] parse error at line 3, column 2: syntax error while parsing value - invalid literal; last read: '"temp_AixLib_AixLib_Fluid_HeatPumps_Validation_ReciprocatingWaterToWater_Static_fmu"}_'; expected end of input OMSimulator v3.0.0.post141-gcc6814d-linux-debug info: 1 warnings info: 0 errors
Buildings_latestFrom version 13.0.1-master (https://github.com/lbl-srg/modelica-buildings/archive/2c3c6c4a49b0aee70c96fbb48ac2cb9f6186eead.zip) warning: Failed to load settings: [json.exception.parse_error.101] parse error at line 3, column 2: syntax error while parsing value - invalid literal; last read: '"temp_AixLib_AixLib_Fluid_HeatPumps_Validation_ReciprocatingWaterToWater_Static_fmu"}_'; expected end of input OMSimulator v3.0.0.post141-gcc6814d-linux-debug info: 1 warnings info: 0 errors to 13.0.1-master (https://github.com/lbl-srg/modelica-buildings/archive/8754785d1d873f7e49578c4368587dfb0e6e4300.zip) warning: Failed to load settings: [json.exception.parse_error.101] parse error at line 3, column 2: syntax error while parsing value - invalid literal; last read: '"temp_AixLib_AixLib_Fluid_HeatPumps_Validation_ReciprocatingWaterToWater_Static_fmu"}_'; expected end of input OMSimulator v3.0.0.post141-gcc6814d-linux-debug info: 1 warnings info: 0 errors
SOFCPoliMiFrom version master (9f746df73206c265b72aebf7e70a207534b3e4ce) warning: Failed to load settings: [json.exception.parse_error.101] parse error at line 3, column 2: syntax error while parsing value - invalid literal; last read: '"temp_AixLib_AixLib_Fluid_HeatPumps_Validation_ReciprocatingWaterToWater_Static_fmu"}_'; expected end of input OMSimulator v3.0.0.post141-gcc6814d-linux-debug info: 1 warnings info: 0 errors to master (e059ad070d30e9d175fd853aedd372ba9b5efba1) warning: Failed to load settings: [json.exception.parse_error.101] parse error at line 3, column 2: syntax error while parsing value - invalid literal; last read: '"temp_AixLib_AixLib_Fluid_HeatPumps_Validation_ReciprocatingWaterToWater_Static_fmu"}_'; expected end of input OMSimulator v3.0.0.post141-gcc6814d-linux-debug info: 1 warnings info: 0 errors
ThermofluidStream_devFrom version 1.3.0-main (b088265ef45fbeeda2bef25d12bacddb44018c17) warning: Failed to load settings: [json.exception.parse_error.101] parse error at line 3, column 2: syntax error while parsing value - invalid literal; last read: '"temp_AixLib_AixLib_Fluid_HeatPumps_Validation_ReciprocatingWaterToWater_Static_fmu"}_'; expected end of input OMSimulator v3.0.0.post141-gcc6814d-linux-debug info: 1 warnings info: 0 errors to 1.3.0-main (e54ad6bed5f20927a85332b45d766f9c9ed001fb) warning: Failed to load settings: [json.exception.parse_error.101] parse error at line 3, column 2: syntax error while parsing value - invalid literal; last read: '"temp_AixLib_AixLib_Fluid_HeatPumps_Validation_ReciprocatingWaterToWater_Static_fmu"}_'; expected end of input OMSimulator v3.0.0.post141-gcc6814d-linux-debug info: 1 warnings info: 0 errors

Models Affected

BuildSysProBuildSysPro.Building.Examples.ValidationDMvsSM (sim)Simulate → Compile
Buildings_11Buildings.DHC.ETS.Combined.Examples.ChillerBorefield (sim)SimCode performance 31.04 → 9.96
Buildings_11Buildings.Fluid.Geothermal.Borefields.Validation.ConstantHeatInjection_100Boreholes (sim)SimCode performance 23.68 → 11.81
Buildings_12Buildings.DHC.ETS.Combined.Examples.ChillerBorefield (sim)SimCode performance 29.09 → 10.41
Buildings_12Buildings.DHC.ETS.Combined.Validation.ChillerBorefield (sim)SimCode performance 12.35 → 31.70
Buildings_latestBuildings.Templates.Plants.Controls.Pumps.Generic.Validation.StagingHeadered (sim)Verify → Simulate
Buildings_latestBuildings.Templates.Plants.Controls.StagingRotation.Validation.SortRuntime (sim)Simulate → Verify
IDEASIDEAS.Fluid.Geothermal.Borefields.Validation.ConstantHeatInjection_100Boreholes (sim)SimCode performance 7.13 → 16.95
IDEAS_devIDEAS.Fluid.Geothermal.Borefields.Validation.ConstantHeatInjection_100Boreholes (sim)SimCode performance 17.74 → 7.60
SOFCPoliMiSOFCPoliMi.Tests.BenchmarkCammarata (sim)SimCode performance 15.48 → 27.01
SOFCPoliMiSOFCPoliMi.Tests.BenchmarkLinConcLosses (sim)SimCode performance 15.27 → 35.03
SOFCPoliMiSOFCPoliMi.Tests.BenchmarkLinConcLossesHigherCurrent (sim)Compile → Failed
SOFCPoliMiSOFCPoliMi.Tests.BenchmarkNonLinConcLossesHigherPorosity (sim)SimCode performance 16.94 → 30.61
ScalableTestSuiteScalableTestSuite.Electrical.TransmissionLine.ScaledExperiments.TransmissionLineModelica_N_640 (sim)Compile performance 0:01:53 → 0:03:15
ScalableTestSuite_nooptScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaIndividual_N_80_M_80 (sim)Simulate performance 10.61 → 4.94
ThermoPowerThermoPower.Examples.CISE.Simulators.CISESim120501 (sim)Compile performance 39.93 → 21.68
ThermoPowerThermoPower.Examples.CISE.Simulators.CISESim180503 (sim)Compile performance 40.37 → 21.51
ThermoPowerThermoPower.Examples.HRB.Simulators.ClosedLoopDigitalSimulatorSimplified (sim)Compile performance 23.12 → 13.41
ThermofluidStreamThermofluidStream.Examples.HeatPump (sim)Simulate performance 0:01:45 → 57.13
ThermofluidStreamThermofluidStream.Examples.ReverseHeatPump (sim)Simulate performance 0:03:33 → 0:02:04
ThermofluidStreamThermofluidStream.HeatExchangers.Tests.Condenser (sim)Simulate performance 24.96 → 13.22
ThermofluidStreamThermofluidStream.HeatExchangers.Tests.ElementTwoPhase (sim)Simulate performance 56.32 → 29.00
ThermofluidStreamThermofluidStream.Undirected.HeatExchangers.Tests.TestDiscretizedHEX (sim)Simulate performance 0:01:44 → 46.74
ThermofluidStream_devThermofluidStream.HeatExchangers.Tests.FlowRes (sim)Simulate performance 0:02:59 → 0:01:33
ThermofluidStream_devThermofluidStream.Undirected.HeatExchangers.Tests.TestDiscretizedHEXvsDir (sim)Simulate performance 0:03:39 → 0:01:41