OpenModelica v1.26-fmi from 2026-05-30 23:24:22 to 2026-06-07 03:35:28

Summary

OMC Commits2
Libraries Changed7
Number of Improvements8
Number of Regressions51
Number of Performance Improvements0
Number of Performance Regressions2

OpenModelica Changes

CommitDateAuthorSummary
9fe23aceff2026-06-05 00:30:58 +0200Adrian PopCMake: Set revision from file (#15573) (#15752)
0e400aa9672026-06-04 11:19:53 +0200Adrian PopEscape spaces so that GNU include can work correctly (#15191) (#15743)

OpenModelicaLibraryTesting Changes

CommitDateAuthorSummary
12a01782026-06-06 12:43:09 +0200Adrian Popdrop v1.25 and add v1.27 (#286)
1dd4db72026-04-19 14:25:16 +0200Adrian Popforce fetch of tags to handle the floating tag 'nightly' (#285)

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.post139-g7930b1d-linux-debug info: 1 warnings info: 0 errors to 3.0.0 (https://github.com/RWTH-EBC/AixLib/archive/e716783b07f1bee5a4e45de1bcc1575576d7c974.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.post140-g86d21af-linux-debug info: 1 warnings info: 0 errors
Buildings_11From version 11.1.2-maint.11.x (https://github.com/lbl-srg/modelica-buildings/archive/0da762f99a9aaa59cab510be1d60a85485ef5cf1.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.post139-g7930b1d-linux-debug info: 1 warnings info: 0 errors to 11.1.2-maint.11.x (https://github.com/lbl-srg/modelica-buildings/archive/0da762f99a9aaa59cab510be1d60a85485ef5cf1.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.post140-g86d21af-linux-debug info: 1 warnings info: 0 errors
Buildings_latestFrom version 13.0.1-master (https://github.com/lbl-srg/modelica-buildings/archive/686c2dcea679e1f85361071afec5aa10f5b78f6b.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.post139-g7930b1d-linux-debug info: 1 warnings info: 0 errors to 13.0.1-master (https://github.com/lbl-srg/modelica-buildings/archive/686c2dcea679e1f85361071afec5aa10f5b78f6b.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.post140-g86d21af-linux-debug info: 1 warnings info: 0 errors
Dynawo_devFrom version 1.8.0-master (c0d4f9a66523f42f8e7181a7298337555f94661b) 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.post139-g7930b1d-linux-debug info: 1 warnings info: 0 errors to 1.8.0-master (d03e92947ddff6eca6ed54546f24d264e70a07ff) 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.post140-g86d21af-linux-debug info: 1 warnings info: 0 errors
OpenIPSL_devFrom version 3.2.0-dev (https://github.com/OpenIPSL/OpenIPSL/archive/8155c73f51ceeec935eb158247c7c043eb697ff5.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.post139-g7930b1d-linux-debug info: 1 warnings info: 0 errors to 3.2.0-dev (https://github.com/OpenIPSL/OpenIPSL/archive/8155c73f51ceeec935eb158247c7c043eb697ff5.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.post140-g86d21af-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.post139-g7930b1d-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.post140-g86d21af-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.post139-g7930b1d-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.post140-g86d21af-linux-debug info: 1 warnings info: 0 errors

Models Affected

AixLibAixLib.Controls.HVACAgentBasedControl.Examples.BuildingHeatingSystems.BuildingHeating (sim)SimCode → Failed
AixLibAixLib.Controls.HVACAgentBasedControl.Examples.BuildingHeatingSystems.BuildingHeating_usePoke (sim)SimCode → Failed
AixLibAixLib.Controls.HVACAgentBasedControl.Examples.BuildingHeatingSystems.BuildingWithPV (sim)SimCode → Failed
AixLibAixLib.Electrical.AC.OnePhase.Sources.Examples.WindTurbine (sim)Compile → Simulate
AixLibAixLib.Electrical.AC.ThreePhasesUnbalanced.Sources.Examples.WindTurbine (sim)Compile → Simulate
AixLibAixLib.Electrical.AC.ThreePhasesUnbalanced.Sources.Examples.WindTurbine_N (sim)Compile → Simulate
AixLibAixLib.Electrical.DC.Lines.Examples.RCModel (sim)Compile → Simulate
AixLibAixLib.Electrical.DC.Lines.Examples.Resistance (sim)Compile → Simulate
AixLibAixLib.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.FiniteLineSource_Erfint (sim)Simulate → Compile
AixLibAixLib.Fluid.Storage.Examples.StorageSimpleExample (sim)Compile → Simulate
AixLibAixLib.Systems.ModularAHU.Examples.Cooler (sim)Simulate → Compile
AixLibAixLib.Systems.ModularAHU.Examples.DemandControlledAHU (sim)Compile → Failed
AixLibAixLib.Systems.ModularAHU.Examples.EONERC_AHU2 (sim)Compile → Simulate
AixLibAixLib.ThermalZones.HighOrder.Components.Examples.Walls.OutsideWall (sim)Simulate → Failed
AixLibAixLib.ThermalZones.HighOrder.Components.Examples.WindowsDoors.WindowSimple (sim)Simulate → Failed
AixLibAixLib.ThermalZones.HighOrder.Components.Shadow.Examples.ShadowEffectTest (sim)Simulate → Failed
AixLibAixLib.ThermalZones.HighOrder.Examples.ASHREA140.CompareDynamicAndStaticSolarFrac_Case270 (sim)Simulate → Failed
AixLibAixLib.ThermalZones.HighOrder.Examples.OFDHeatLoad (sim)Simulate → Failed
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case210 (sim)Compile → Failed
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case220 (sim)Compile → Failed
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case230 (sim)Compile → Failed
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case240 (sim)Compile → Failed
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case250 (sim)Compile → Failed
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case270 (sim)Compile → Failed
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case280 (sim)Compile → Failed
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case300 (sim)Compile → Failed
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case320 (sim)Compile → Failed
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case395 (sim)Compile → Failed
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case400 (sim)Compile → Failed
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case410 (sim)Compile → Failed
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case420 (sim)Compile → Failed
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case430 (sim)Compile → Failed
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case440 (sim)Simulate → Failed
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case600 (sim)Compile → Failed
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case620 (sim)Compile → Failed
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case640 (sim)Compile → Failed
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case650 (sim)Compile → Failed
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case800 (sim)Compile → Failed
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case810 (sim)Simulate → Failed
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case900 (sim)Compile → Failed
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case920 (sim)Compile → Failed
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case940 (sim)Compile → Failed
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case950 (sim)Compile → Failed
AixLibAixLib.ThermalZones.HighOrder.Validation.EmpiricalValidation.Warehouse (sim)Simulate → Failed
AixLibAixLib.ThermalZones.ReducedOrder.Examples.ComparisonThermalZoneMoistAndDryAir (sim)Simulate → Failed
AixLibAixLib.ThermalZones.ReducedOrder.Examples.Multizone (sim)Compile → Failed
AixLibAixLib.ThermalZones.ReducedOrder.Examples.MultizoneInterzonalsFixedHeater (sim)Compile → Failed
AixLibAixLib.ThermalZones.ReducedOrder.Examples.MultizoneMoistAirCO2 (sim)Compile → Failed
AixLibAixLib.ThermalZones.ReducedOrder.Examples.MultizonePartlyCooled (sim)Compile → Failed
AixLibAixLib.ThermalZones.ReducedOrder.Examples.ThermalZone (sim)Compile → Failed
AixLibAixLib.ThermalZones.ReducedOrder.Examples.ThermalZoneAirExchange (sim)Compile → Failed
AixLibAixLib.ThermalZones.ReducedOrder.Examples.ThermalZoneMoistAir (sim)Simulate → Failed
AixLibAixLib.ThermalZones.ReducedOrder.Examples.ThermalZoneMoistAirSwimmingPool (sim)Simulate → Failed
AixLibAixLib.ThermalZones.ReducedOrder.Examples.ThermalZoneMoistCO2AirExchange (sim)Simulate → Failed
Buildings_11Buildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)Simulate performance 1.44 → 0:07:02
Buildings_latestBuildings.Examples.ScalableBenchmarks.BuildingVAV.Examples.TwoFloor_TwoZone (sim)Compile → Failed
Buildings_latestBuildings.Examples.VAVReheat.ASHRAE2006 (sim)Failed → Compile
Dynawo_devDynawo.Examples.IEEE57.TestCases.IEEE57HvdcPsDisconnectLine (sim)FrontEnd → Failed
OpenIPSL_devOpenIPSL.Examples.N44.Original.Nordic44_Original_Case (sim)
ScalableTestGrids_nooptScalableTestGrids.Models.Type1.Type1_N_3_M_4 (sim)
ScalableTestGrids_nooptScalableTestGrids.Models.Type2.Type2_tapNoEv_N_4_M_4 (sim)
ScalableTestSuiteScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_64 (sim)Compile → Failed
ScalableTestSuite_nooptScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelica_N_112_M_112 (sim)Verify → Failed
ScalableTestSuite_nooptScalableTestSuite.Elementary.SimpleODE.ScaledExperiments.CascadedFirstOrder_N_25600 (sim)Simulate performance 12.40 → 33.75