OpenModelica v1.26 from 2026-03-12 22:26:58 to 2026-03-13 12:12:14

Summary

OMC Commits0
Libraries Changed1
Number of Improvements13
Number of Regressions1
Number of Performance Improvements1
Number of Performance Regressions0

OpenModelica Changes

CommitDateAuthorSummary

OpenModelicaLibraryTesting Changes

CommitDateAuthorSummary
5cb39182026-03-10 09:38:19 +0100linuslangenkampreplace Radau IIA with ESDIRK4 (#275)
3cc869b2026-03-06 17:57:30 +0100Adrian Popdisable 1.24 and add 1.26 (#274)

Library Changes

LibraryChange
Buildings_latestFrom version 13.0.0-master (https://github.com/lbl-srg/modelica-buildings/archive/b45ef02a949be99a1a975e2ae7c7dc3651944c00.zip) to 13.0.0-master (https://github.com/lbl-srg/modelica-buildings/archive/ad4273c1f580eebace5d8fced36082243db70ab9.zip)

Models Affected

Buildings_latestBuildings.Controls.OBC.ASHRAE.G36.FanCoilUnits.Subsequences.Validation.SupplyAirTemperature (sim)Simulate → Verify
Buildings_latestBuildings.Controls.OBC.ASHRAE.G36.FanCoilUnits.Validation.Controller (sim)Simulate → Verify
Buildings_latestBuildings.Controls.OBC.Utilities.Validation.PIDWithEnable (sim)Simulate → Verify
Buildings_latestBuildings.DHC.ETS.Combined.Subsystems.Validation.HeatExchanger (sim)Simulate → Verify
Buildings_latestBuildings.DHC.Plants.Combined.Examples.AllElectricCWStorage (sim)Simulate → Compile
Buildings_latestBuildings.Examples.FanCoils.FourPipe (sim)Simulate → Verify
Buildings_latestBuildings.Fluid.AirFilters.BaseClasses.Validation.FiltrationEfficiency (sim)Simulate → Verify
Buildings_latestBuildings.Fluid.AirFilters.BaseClasses.Validation.FlowCoefficientCorrection (sim)Simulate → Verify
Buildings_latestBuildings.Fluid.AirFilters.BaseClasses.Validation.MassAccumulation (sim)Simulate → Verify
Buildings_latestBuildings.Fluid.AirFilters.BaseClasses.Validation.MassTransfer (sim)Simulate → Verify
Buildings_latestBuildings.Fluid.AirFilters.BaseClasses.Validation.PressureDropWithVaryingFlowCoefficient (sim)Simulate → Verify
Buildings_latestBuildings.Fluid.AirFilters.Examples.SpaceCooling (sim)Simulate → Verify
Buildings_latestBuildings.Fluid.FixedResistances.Examples.PlugFlowPipe (sim)Simulate → Verify
Buildings_latestBuildings.Templates.Plants.Controls.StagingRotation.Validation.EquipmentAvailability (sim)Simulate → Verify
Buildings_latestBuildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)Simulate performance 0:13:20 → 0.17