OpenModelica v1.26-fmi-fmpy from 2026-06-21 06:04:41 to 2026-06-28 08:04:34

Summary

OMC Commits0
Libraries Changed5
Number of Improvements48
Number of Regressions4
Number of Performance Improvements1
Number of Performance Regressions0

OpenModelica Changes

CommitDateAuthorSummary

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
AixLibFrom version 3.0.0 (https://github.com/RWTH-EBC/AixLib/archive/e716783b07f1bee5a4e45de1bcc1575576d7c974.zip) FMPy version 0.3.29 to 3.0.1 (https://github.com/RWTH-EBC/AixLib/archive/e5df9a8da27833ee391c2f7a0adbcd80278f47d2.zip) FMPy version 0.3.29
Buildings_11From version 11.1.2-maint.11.x (https://github.com/lbl-srg/modelica-buildings/archive/0da762f99a9aaa59cab510be1d60a85485ef5cf1.zip) FMPy version 0.3.29 to 11.1.2-maint.11.x (https://github.com/lbl-srg/modelica-buildings/archive/df423074e48835df648a03866d9e703d4569114a.zip) FMPy version 0.3.29
Buildings_latestFrom version 13.0.1-master (https://github.com/lbl-srg/modelica-buildings/archive/8754785d1d873f7e49578c4368587dfb0e6e4300.zip) FMPy version 0.3.29 to 14.0.0-master (https://github.com/lbl-srg/modelica-buildings/archive/a131864e4c4df22ebcd52bb8da439de0087ac365.zip) FMPy version 0.3.29
ThermofluidStreamConfiguration hash (OMC settings or the testing script changed)
ThermofluidStream_devConfiguration hash (OMC settings or the testing script changed)

Models Affected

AixLibAixLib.Controls.HVACAgentBasedControl.Examples.BuildingHeatingSystems.BuildingHeating (sim)Failed → SimCode
AixLibAixLib.Controls.HVACAgentBasedControl.Examples.BuildingHeatingSystems.BuildingHeating_usePoke (sim)Failed → SimCode
AixLibAixLib.Controls.HVACAgentBasedControl.Examples.BuildingHeatingSystems.BuildingWithPV (sim)Failed → SimCode
AixLibAixLib.Systems.ModularAHU.Examples.DemandControlledAHU (sim)Failed → Simulate
AixLibAixLib.ThermalZones.HighOrder.Components.Examples.Walls.OutsideWall (sim)Failed → Simulate
AixLibAixLib.ThermalZones.HighOrder.Components.Examples.WindowsDoors.WindowSimple (sim)Failed → Simulate
AixLibAixLib.ThermalZones.HighOrder.Components.Shadow.Examples.ShadowEffectTest (sim)Failed → Simulate
AixLibAixLib.ThermalZones.HighOrder.Examples.ASHREA140.CompareDynamicAndStaticSolarFrac_Case270 (sim)Failed → Simulate
AixLibAixLib.ThermalZones.HighOrder.Examples.OFDHeatLoad (sim)Failed → Simulate
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case210 (sim)Failed → Compile
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case220 (sim)Failed → Compile
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case230 (sim)Failed → Compile
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case240 (sim)Failed → Compile
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case250 (sim)Failed → Compile
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case270 (sim)Failed → Compile
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case280 (sim)Failed → Compile
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case300 (sim)Failed → Compile
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case320 (sim)Failed → Compile
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case395 (sim)Failed → Compile
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case400 (sim)Failed → Compile
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case410 (sim)Failed → Compile
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case420 (sim)Failed → Compile
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case430 (sim)Failed → Compile
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case440 (sim)Failed → Compile
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case600 (sim)Failed → Compile
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case620 (sim)Failed → Compile
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case640 (sim)Failed → Compile
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case650 (sim)Failed → Compile
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case800 (sim)Failed → Compile
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case810 (sim)Failed → Compile
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case900 (sim)Failed → Compile
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case920 (sim)Failed → Compile
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case940 (sim)Failed → Compile
AixLibAixLib.ThermalZones.HighOrder.Validation.ASHRAE140.Case950 (sim)Failed → Compile
AixLibAixLib.ThermalZones.HighOrder.Validation.EmpiricalValidation.Warehouse (sim)Failed → Simulate
AixLibAixLib.ThermalZones.ReducedOrder.Examples.ComparisonThermalZoneMoistAndDryAir (sim)Failed → Simulate
AixLibAixLib.ThermalZones.ReducedOrder.Examples.Multizone (sim)Failed → Compile
AixLibAixLib.ThermalZones.ReducedOrder.Examples.MultizoneInterzonalsFixedHeater (sim)Failed → Compile
AixLibAixLib.ThermalZones.ReducedOrder.Examples.MultizoneMoistAirCO2 (sim)Failed → Simulate
AixLibAixLib.ThermalZones.ReducedOrder.Examples.MultizonePartlyCooled (sim)Failed → Compile
AixLibAixLib.ThermalZones.ReducedOrder.Examples.ThermalZone (sim)Failed → Compile
AixLibAixLib.ThermalZones.ReducedOrder.Examples.ThermalZoneAirExchange (sim)Failed → Compile
AixLibAixLib.ThermalZones.ReducedOrder.Examples.ThermalZoneMoistAir (sim)Failed → Simulate
AixLibAixLib.ThermalZones.ReducedOrder.Examples.ThermalZoneMoistAirSwimmingPool (sim)Failed → Simulate
AixLibAixLib.ThermalZones.ReducedOrder.Examples.ThermalZoneMoistCO2AirExchange (sim)Failed → Simulate
Buildings_11Buildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)Simulate performance 0:07:02 → 1.27
Buildings_latestBuildings.Templates.Plants.Controls.StagingRotation.BaseClasses.Validation.SelectEquipmentAtStage (sim)Simulate → Verify
Buildings_latestBuildings.Templates.Plants.Controls.StagingRotation.BaseClasses.Validation.SelectSortedAvailable (sim)Simulate → Verify
Buildings_latestBuildings.Templates.Plants.Controls.StagingRotation.Validation.SortRuntimeG36 (sim)Simulate → Verify
ThermofluidStreamThermofluidStream.Media.additionalMedia.Incompressible.TestDowcal100 (sim)Verify → Simulate
ThermofluidStreamThermofluidStream.Media.additionalMedia.Incompressible.TestDowcal100E (sim)Verify → Simulate
ThermofluidStream_devThermofluidStream.Media.additionalMedia.Incompressible.TestDowcal100 (sim)Verify → Simulate
ThermofluidStream_devThermofluidStream.Media.additionalMedia.Incompressible.TestDowcal100E (sim)Verify → Simulate