OpenModelica v1.25-fmi from 2026-04-25 18:08:45 to 2026-05-02 18:37:01

Summary

OMC Commits0
Libraries Changed13
Number of Improvements17
Number of Regressions12
Number of Performance Improvements1
Number of Performance Regressions1

OpenModelica Changes

CommitDateAuthorSummary

OpenModelicaLibraryTesting Changes

CommitDateAuthorSummary
1dd4db72026-04-19 14:25:16 +0200Adrian Popforce fetch of tags to handle the floating tag 'nightly' (#285)
e83c3f42026-04-14 08:15:53 +0200Adrian Popcannot run python -m fmpy via check_output_log (#284)

Library Changes

LibraryChange
AixLibFrom version 2.1.1 (https://github.com/RWTH-EBC/AixLib/archive/b9d4d88d1fb38511d2af0958f11855c14064841a.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.post137-g8ed186e-linux-debug info: 1 warnings info: 0 errors to 2.1.1 (https://github.com/RWTH-EBC/AixLib/archive/b9d4d88d1fb38511d2af0958f11855c14064841a.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.post138-g52bff9c-linux-debug info: 1 warnings info: 0 errors
BuildSysProFrom version 3.7.0 (https://github.com/EDF-TREE/BuildSysPro/archive/7e8198a827d69e7127828bb09b07262ebcb621c9.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.post137-g8ed186e-linux-debug info: 1 warnings info: 0 errors to 3.7.0 (https://github.com/EDF-TREE/BuildSysPro/archive/7e8198a827d69e7127828bb09b07262ebcb621c9.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.post138-g52bff9c-linux-debug info: 1 warnings info: 0 errors
BuildingSystemsFrom version 2.0.0-master (37f23a121434b999f66f0bf7ee16bb67ad8b2b83) 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.post137-g8ed186e-linux-debug info: 1 warnings info: 0 errors to 2.0.0-master (37f23a121434b999f66f0bf7ee16bb67ad8b2b83) 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.post138-g52bff9c-linux-debug info: 1 warnings info: 0 errors
Buildings_11From version 11.1.1-maint.11.x (https://github.com/lbl-srg/modelica-buildings/archive/c378cb11f92b35977e2bcecf2df34bd512d2e1aa.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.post137-g8ed186e-linux-debug info: 1 warnings info: 0 errors to 11.1.1-maint.11.x (https://github.com/lbl-srg/modelica-buildings/archive/c819a94c6d52b58d3cba23caa8cb871f1e97d2fd.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.post138-g52bff9c-linux-debug info: 1 warnings info: 0 errors
Buildings_12From version 12.1.1-maint.12.x (https://github.com/lbl-srg/modelica-buildings/archive/e4c08a21b87cc023a15b7c0daef1988024507e80.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.post137-g8ed186e-linux-debug info: 1 warnings info: 0 errors to 12.1.1-maint.12.x (https://github.com/lbl-srg/modelica-buildings/archive/fe09072c92b91b605c9c712ddf54b9a64178b622.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.post138-g52bff9c-linux-debug info: 1 warnings info: 0 errors
Buildings_latestFrom version 13.0.0-master (https://github.com/lbl-srg/modelica-buildings/archive/543125ca4b4d77c3dc64820c45bdb2928efb502a.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.post137-g8ed186e-linux-debug info: 1 warnings info: 0 errors to 13.0.0-master (https://github.com/lbl-srg/modelica-buildings/archive/0d7cf53f81085ebd20a71b8cc29e366c236c6808.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.post138-g52bff9c-linux-debug info: 1 warnings info: 0 errors
IDEAS_devFrom version 4.0.0-master (272d82aef8da5484b3ed729ba6d6cc1db9754f1e) 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.post137-g8ed186e-linux-debug info: 1 warnings info: 0 errors to 4.0.0-master (272d82aef8da5484b3ed729ba6d6cc1db9754f1e) 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.post138-g52bff9c-linux-debug info: 1 warnings info: 0 errors
PowerSystemsFrom version 2.0.0 (https://github.com/modelica-3rdparty/PowerSystems/archive/1ecfd2648d7cd54ed88926594455b713186529de.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.post137-g8ed186e-linux-debug info: 1 warnings info: 0 errors to 2.0.0 (https://github.com/modelica-3rdparty/PowerSystems/archive/1ecfd2648d7cd54ed88926594455b713186529de.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.post138-g52bff9c-linux-debug info: 1 warnings info: 0 errors
ScalableTestGrids_nooptFrom version 1.2.0 (https://github.com/PowerGrids/ScalableTestGrids/archive/f18d08e87f948a85992343913e1adfd7d24cad95.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.post137-g8ed186e-linux-debug info: 1 warnings info: 0 errors to 1.2.0 (https://github.com/PowerGrids/ScalableTestGrids/archive/f18d08e87f948a85992343913e1adfd7d24cad95.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.post138-g52bff9c-linux-debug info: 1 warnings info: 0 errors
ScalableTestSuiteFrom version 2.2.0-master (ce9eedecd9f6c487d11cfc2ed9724e75c0229323) 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.post137-g8ed186e-linux-debug info: 1 warnings info: 0 errors to 2.2.0-master (ce9eedecd9f6c487d11cfc2ed9724e75c0229323) 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.post138-g52bff9c-linux-debug info: 1 warnings info: 0 errors
ThermoSysProFrom version 4.1.0-master (d3d2cc3b84b8a030c61907756c263e7140061f41) 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.post137-g8ed186e-linux-debug info: 1 warnings info: 0 errors to 4.1.0-master (d3d2cc3b84b8a030c61907756c263e7140061f41) 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.post138-g52bff9c-linux-debug info: 1 warnings info: 0 errors
ThermofluidStreamFrom version 1.2.0 (https://github.com/DLR-SR/ThermofluidStream/archive/8d2287a558d9d5e3a6235c981d5a60044dae5b61.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.post137-g8ed186e-linux-debug info: 1 warnings info: 0 errors to 1.3.0 (https://github.com/DLR-SR/ThermofluidStream/archive/e43023fd5b731416a60a0f0db21791f71f0d2baf.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.post138-g52bff9c-linux-debug info: 1 warnings info: 0 errors
ThermofluidStream_devFrom version 1.2.0-main (97dc3776922ba27582d364a9bccce3d404c5ca30) 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.post137-g8ed186e-linux-debug info: 1 warnings info: 0 errors to 1.3.0-main (e43023fd5b731416a60a0f0db21791f71f0d2baf) 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.post138-g52bff9c-linux-debug info: 1 warnings info: 0 errors

Models Affected

AixLibAixLib.Fluid.Geothermal.Borefields.BaseClasses.Boreholes.BaseClasses.Examples.InternalHEXTwoUTube (sim)Simulate → Compile
BuildSysProBuildSysPro.IBPSA.Fluid.Geothermal.Borefields.BaseClasses.Boreholes.BaseClasses.Examples.InternalHEXOneUTube (sim)Compile → Simulate
BuildingSystemsBuildingSystems.Fluid.Geothermal.Borefields.BaseClasses.Boreholes.BaseClasses.Examples.InternalHEXOneUTube (sim)Compile → Simulate
BuildingSystemsBuildingSystems.Fluid.Geothermal.Borefields.BaseClasses.Boreholes.BaseClasses.Examples.InternalHEXTwoUTube (sim)Compile → Simulate
Buildings_11Buildings.Examples.DualFanDualDuct.ClosedLoop (sim)Failed → SimCode
Buildings_11Buildings.Fluid.Geothermal.Borefields.BaseClasses.Boreholes.BaseClasses.Examples.InternalHEXTwoUTube (sim)Compile → Verify
Buildings_12Buildings.Fluid.Geothermal.Borefields.BaseClasses.Boreholes.BaseClasses.Examples.InternalHEXTwoUTube (sim)Compile → Verify
Buildings_latestBuildings.Applications.DataCenters.ChillerCooled.Examples.IntegratedPrimaryLoadSideEconomizer (sim)Verify → Simulate
Buildings_latestBuildings.Applications.DataCenters.ChillerCooled.Examples.IntegratedPrimarySecondaryEconomizer (sim)Verify → Simulate
Buildings_latestBuildings.Applications.DataCenters.ChillerCooled.Examples.NonIntegratedPrimarySecondaryEconomizer (sim)Verify → Simulate
Buildings_latestBuildings.Examples.ChillerPlant.DataCenterContinuousTimeControl (sim)Verify → Simulate
Buildings_latestBuildings.Examples.ChillerPlant.DataCenterDiscreteTimeControl (sim)Verify → Simulate
Buildings_latestBuildings.Fluid.Geothermal.Borefields.BaseClasses.Boreholes.BaseClasses.Examples.InternalHEXOneUTube (sim)Compile → Verify
Buildings_latestBuildings.Fluid.Geothermal.Borefields.BaseClasses.Boreholes.BaseClasses.Examples.InternalHEXTwoUTube (sim)Compile → Verify
Buildings_latestBuildings.Fluid.HeatExchangers.CoolingTowers.Examples.Merkel (sim)Verify → Simulate
IDEAS_devIDEAS.Fluid.Geothermal.Borefields.BaseClasses.Boreholes.BaseClasses.Examples.InternalHEXOneUTube (sim)Simulate → Compile
IDEAS_devIDEAS.Fluid.Geothermal.Borefields.BaseClasses.Boreholes.BaseClasses.Examples.InternalHEXTwoUTube (sim)Compile → Simulate
PowerSystemsPowerSystems.Examples.AC1ph_DC.Drives.BLDCcharSpeed (sim)Compile → Simulate
PowerSystemsPowerSystems.Examples.AC3ph.Generation.GenOrder3and7 (sim)Simulate → Compile
PowerSystemsPowerSystems.Examples.AC3ph.Generation.TurbineGeneratorLine (sim)Compile → Simulate
PowerSystemsPowerSystems.Examples.AC3ph.Generation.TurboGeneratorLine (sim)Simulate → Compile
ScalableTestGrids_nooptScalableTestGrids.Models.Type2.Type2_tapNoEv_N_6_M_4 (sim)Failed → SimCode
ScalableTestSuiteScalableTestSuite.Elementary.Tables.ScaledExperiments.CombiTimeTable_N_8000 (sim)SimCode → Failed
ScalableTestSuiteScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTI_FD_N_1280 (sim)Simulate performance 21.63 → 12.15
ThermoSysProThermoSysPro.Fluid.Examples.SimpleExamples.TestDynamicMultiFluidHeatExchanger (sim)Simulate → Compile
ThermofluidStreamThermofluidStream.Examples.SimpleStream (sim)Simulate → Verify
ThermofluidStreamThermofluidStream.Processes.Tests.Flow_Resistance (sim)Simulate → Verify
ThermofluidStream_devThermofluidStream.HeatExchangers.Tests.Recuperator (sim)Simulate performance 6.37 → 11.53
ThermofluidStream_devThermofluidStream.Processes.Internal.CentrifugalPump.CalculateCoefficientsFromMeasurements (sim)Failed → Verify
ThermofluidStream_devThermofluidStream.Processes.Tests.CentrifugalPump (sim)Failed → Simulate
ThermofluidStream_devThermofluidStream.Processes.Tests.CentrifugalPumpCharacteristics (sim)Failed → Verify