OpenModelica v1.24-fmi-fmpy from 2026-02-12 02:37:20 to 2026-02-15 14:45:54

Summary

OMC Commits0
Libraries Changed4
Number of Improvements15
Number of Regressions10
Number of Performance Improvements3
Number of Performance Regressions3

OpenModelica Changes

CommitDateAuthorSummary

OpenModelicaLibraryTesting Changes

CommitDateAuthorSummary
3cc869b2026-03-06 17:57:30 +0100Adrian Popdisable 1.24 and add 1.26 (#274)
01ac33b2026-02-24 13:36:37 +0100Per ÖstlundAdd illegalConditionalContext flag to AES and Dynawo

Library Changes

LibraryChange
Buildings_11Configuration hash (OMC settings or the testing script changed)
Buildings_12From version 12.1.1-maint.12.x (https://github.com/lbl-srg/modelica-buildings/archive/f7a10a711806b368bb6776ee7cd0fca656cf1764.zip) usage: __main__.py [-h] [--version] [--validate] [--start-time START_TIME] FMPy version: 0.3.21 Python version: 3.10.12 (main, Jan 26 2026, 14:55:28) [GCC 11.4.0] --version show program's version number and exit to 12.1.1-maint.12.x (https://github.com/lbl-srg/modelica-buildings/archive/72423dd099c34c383be7b88ae280b1f5c1589d60.zip) usage: __main__.py [-h] [--version] [--validate] [--start-time START_TIME] FMPy version: 0.3.21 Python version: 3.10.12 (main, Jan 26 2026, 14:55:28) [GCC 11.4.0] --version show program's version number and exit
Buildings_latestFrom version 13.0.0-master (https://github.com/lbl-srg/modelica-buildings/archive/dd669cd3afb9037db278f6f68f9591d2dff03fbd.zip) usage: __main__.py [-h] [--version] [--validate] [--start-time START_TIME] FMPy version: 0.3.21 Python version: 3.10.12 (main, Jan 26 2026, 14:55:28) [GCC 11.4.0] --version show program's version number and exit to 13.0.0-master (https://github.com/lbl-srg/modelica-buildings/archive/1f67375e87d757b33c66d2ee2b5681bbabf59246.zip) usage: __main__.py [-h] [--version] [--validate] [--start-time START_TIME] FMPy version: 0.3.21 Python version: 3.10.12 (main, Jan 26 2026, 14:55:28) [GCC 11.4.0] --version show program's version number and exit
ThermofluidStreamConfiguration hash (OMC settings or the testing script changed)

Models Affected

Buildings_11Buildings.DHC.ETS.Combined.Examples.ChillerOnly (sim)Failed → Verify
Buildings_11Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case610 (sim)Failed → Compile
Buildings_11Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case670 (sim)Failed → Verify
Buildings_11Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case900 (sim)Failed → Compile
Buildings_11Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindow (sim)Verify → Failed
Buildings_11Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindowExteriorShade (sim)Failed → Verify
Buildings_11Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindowInteriorShade (sim)Verify → Failed
Buildings_12Buildings.Applications.DataCenters.ChillerCooled.Examples.NonIntegratedPrimarySecondaryEconomizer (sim)Verify → Compile
Buildings_12Buildings.Fluid.DXSystems.Cooling.WaterSource.Examples.MultiStage (sim)Compile → Verify
Buildings_12Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case610 (sim)Verify → Failed
Buildings_12Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case685 (sim)Failed → Compile
Buildings_12Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case900FF (sim)Verify → Failed
Buildings_12Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindow (sim)Failed → Verify
Buildings_12Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindowExteriorShade (sim)Verify → Failed
Buildings_12Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindowInteriorShade (sim)Failed → Verify
Buildings_12Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.SampledModel.OnlyExteriorWallWithWindow (sim)Compile performance 0:02:20 → 0:04:11
Buildings_12Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.SampledModel.OnlyExteriorWallWithWindowExteriorShade (sim)Failed → Compile
Buildings_12Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.SampledModel.OnlyExteriorWallWithWindowInteriorShade (sim)Compile performance 0:01:52 → 0:04:16
Buildings_latestBuildings.DHC.Loads.BaseClasses.Examples.CouplingSpawnZ6 (sim)Compile → Failed
Buildings_latestBuildings.DHC.Loads.Combined.Examples.BuildingTimeSeriesWithETS (sim)Failed → Compile
Buildings_latestBuildings.DHC.Plants.Steam.Examples.SingleBoiler (sim)Compile → Verify
Buildings_latestBuildings.Fluid.DXSystems.Cooling.WaterSource.Examples.MultiStage (sim)Compile → Verify
Buildings_latestBuildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)Simulate performance 4.35 → 0:14:02
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case650FF (sim)Failed → Verify
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case695 (sim)Simulate performance 49.27 → 0.50
Buildings_latestBuildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.SampledModel.OnlyExteriorWallWithWindow (sim)Compile → Failed
Buildings_latestBuildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.SampledModel.OnlyExteriorWallWithWindowExteriorShade (sim)Compile → Failed
Buildings_latestBuildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.SampledModel.OnlyExteriorWallWithWindowInteriorShade (sim)Compile → Failed
Buildings_latestBuildings.ThermalZones.EnergyPlus_24_2_0.Examples.SmallOffice.ASHRAE2006Winter (sim)Failed → Compile
ThermofluidStreamThermofluidStream.HeatExchangers.Tests.FlowRes (sim)Compile performance 0:06:52 → 0:02:52
ThermofluidStreamThermofluidStream.Undirected.HeatExchangers.Tests.TestDiscretizedHEXvsDir (sim)Simulate performance 0:01:51 → 0:01:00