OpenModelica master-fmi from 2026-04-30 10:13:05 to 2026-05-02 03:28:42

Summary

OMC Commits	10
Libraries Changed	10
Number of Improvements	6
Number of Regressions	8
Number of Performance Improvements	2
Number of Performance Regressions	6

OpenModelica Changes

Commit	Date	Author	Summary
9e652b8f3a	2026-05-01 20:56:49 +0200	Martin Sjölund	Change equations to algorithms in MetaModelica (#15467)
1a2e6fa142	2026-05-01 20:21:03 +0200	Martin Sjölund	Change equations to algorithms in MetaModelica (#15475)
c3f29970a4	2026-05-01 10:58:46 +0200	Martin Sjölund	Change equations to algorithms in MetaModelica (#15473)
72eccb9bf0	2026-05-01 01:58:15 +0200	Adrian Pop	more tries on git describe not showing tag (#15470)
fe5c92065b	2026-04-30 23:32:14 +0200	Martin Sjölund	Replace equations with algorithms in MetaModelica (#15471)
ad3cf7f278	2026-04-30 20:54:08 +0200	Adrian Pop	debug why git describe does not work as it should (#15466)
c54d26f353	2026-04-30 19:35:24 +0200	kabdelhak	[NSim] move top level inputs to the correct position (#15469)
0f2adf3ec9	2026-04-30 19:02:43 +0200	Martin Sjölund	Replace equations with algorithms in MetaModelica (#15468)
25da15cc3e	2026-04-30 14:10:45 +0200	Per Östlund	Remove NFEquation.ARRAY_EQUALITY (#15458)
47887e3924	2026-04-30 14:09:53 +0200	Martin Sjölund	Make Susan output algorithms instead of equations (#15463)

OpenModelicaLibraryTesting Changes

Commit	Date	Author	Summary
1dd4db7	2026-04-19 14:25:16 +0200	Adrian Pop	force fetch of tags to handle the floating tag 'nightly' (#285)
e83c3f4	2026-04-14 08:15:53 +0200	Adrian Pop	cannot run python -m fmpy via check_output_log (#284)

Library Changes

Library	Change
AixLib	From 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
BuildSysPro	From 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
Buildings_11	From version 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.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_12	From version 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.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_latest	From version 13.0.0-master (https://github.com/lbl-srg/modelica-buildings/archive/7df5bc254da93cf70aa6045a41f537290366fe09.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
Modelica_3.2.3	From version 3.2.3+maint.om (https://github.com/OpenModelica/OpenModelica-ModelicaStandardLibrary/archive/efd981a1176f124938d6d6759f7c09e0fbf55ddf.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 3.2.3+maint.om (https://github.com/OpenModelica/OpenModelica-ModelicaStandardLibrary/archive/efd981a1176f124938d6d6759f7c09e0fbf55ddf.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
Physiolibrary	From version 3.0.0 (https://github.com/MarekMatejak/Physiolibrary/archive/0ef8b5848b8bd08912a1713d0641b6bb03c3e3b2.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 3.0.0 (https://github.com/MarekMatejak/Physiolibrary/archive/0ef8b5848b8bd08912a1713d0641b6bb03c3e3b2.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
ScalableTestSuite	From 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
ThermofluidStream	From 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_dev	From version 1.2.0-main (528a88d20a848ebfb55521f79caf1c158bce3bd9) 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

AixLib	AixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case320 (sim)	Simulate → Compile
BuildSysPro	BuildSysPro.Building.Examples.ValidationDMvsSM (sim)	Simulate → Compile
Buildings_11	Buildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)	Simulate performance 0:07:02 → 1.47
Buildings_12	Buildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)	Simulate performance 1.42 → 0:07:02
Buildings_latest	Buildings.DHC.Loads.BaseClasses.Examples.CouplingRCZ6 (sim)	Failed → Verify
Buildings_latest	Buildings.DHC.Plants.Combined.Validation.AllElectricCWStorage (sim)	Simulate → Failed
Buildings_latest	Buildings.Fluid.HeatExchangers.CoolingTowers.Examples.Merkel (sim)	Verify → Simulate
Modelica_3.2.3	Modelica.Fluid.Examples.HeatingSystem (sim)	Simulate performance 1.29 → 30.31
Modelica_3.2.3	Modelica.Mechanics.MultiBody.Examples.Systems.RobotR3.fullRobot (sim)	Simulate performance 2.94 → 31.98
Modelica_3.2.3	Modelica.Mechanics.MultiBody.Examples.Systems.RobotR3.oneAxis (sim)	Simulate performance 1.22 → 30.23
Physiolibrary	Physiolibrary.Organs.Lungs.Examples.MeanLungsTest (sim)	Failed → Compile
ScalableTestSuite	ScalableTestSuite.Electrical.DistributionSystemAC.ScaledExperiments.DistributionSystemLinearIndividual_N_20_M_20 (sim)	Failed → Compile
ScalableTestSuite	ScalableTestSuite.Electrical.DistributionSystemAC.ScaledExperiments.DistributionSystemLinear_N_20_M_20 (sim)	Compile → Failed
ScalableTestSuite	ScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelica_N_28_M_28 (sim)	Verify → Failed
ScalableTestSuite	ScalableTestSuite.Elementary.WhenEvents.ScaledExperiments.ManyEvents_N_1000_M_10 (sim)	Simulate performance 10.35 → 5.49
ScalableTestSuite	ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTI_Modelica_N_1280 (sim)	Compile performance 0:01:46 → 0:03:15
ScalableTestSuite_noopt	ScalableTestSuite.Elementary.SimpleODE.ScaledExperiments.CascadedFirstOrder_N_25600 (sim)	BackEnd performance 31.53 → 59.00
ThermofluidStream	ThermofluidStream.Examples.HeatPump (sim)	Verify → Compile
ThermofluidStream	ThermofluidStream.Examples.SimpleAirCycle (sim)	Simulate → Compile
ThermofluidStream	ThermofluidStream.Examples.SimpleStream (sim)	Simulate → Verify
ThermofluidStream	ThermofluidStream.Processes.Tests.Flow_Resistance (sim)	Simulate → Verify
ThermofluidStream_dev	ThermofluidStream.Processes.Tests.Pump (sim)	Simulate → Verify