OpenModelica v1.25-fmi-fmpy from 2026-04-26 09:20:47 to 2026-05-03 09:33:09

Summary

OMC Commits0
Libraries Changed5
Number of Improvements12
Number of Regressions9
Number of Performance Improvements4
Number of Performance Regressions3

OpenModelica Changes

CommitDateAuthorSummary

OpenModelicaLibraryTesting Changes

CommitDateAuthorSummary
1dd4db72026-04-19 14:25:16 +0200Adrian Popforce fetch of tags to handle the floating tag 'nightly' (#285)
e83c3f42026-04-14 08:15:53 +0200Adrian Popcannot run python -m fmpy via check_output_log (#284)

Library Changes

LibraryChange
Buildings_12From version 12.1.1-maint.12.x (https://github.com/lbl-srg/modelica-buildings/archive/e4c08a21b87cc023a15b7c0daef1988024507e80.zip) FMPy version 0.3.29 to 12.1.1-maint.12.x (https://github.com/lbl-srg/modelica-buildings/archive/04b122f0c444f3a505163c76e7294db4964c62a8.zip) FMPy version 0.3.29
Buildings_latestFrom version 13.0.0-master (https://github.com/lbl-srg/modelica-buildings/archive/543125ca4b4d77c3dc64820c45bdb2928efb502a.zip) FMPy version 0.3.29 to 13.0.0-master (https://github.com/lbl-srg/modelica-buildings/archive/bf456b3a4a2e5ec26a38913aef7390afd62fa686.zip) FMPy version 0.3.29
IBPSA_latestFrom version 4.0.0-master (a473c121155ba185407023ed705ff7a83925f6e8) FMPy version 0.3.29 to 4.0.0-master (594227f9023291b06dcfb53f168463f6235f4629) FMPy version 0.3.29
ThermofluidStreamFrom version 1.2.0 (https://github.com/DLR-SR/ThermofluidStream/archive/8d2287a558d9d5e3a6235c981d5a60044dae5b61.zip) FMPy version 0.3.29 to 1.3.0 (https://github.com/DLR-SR/ThermofluidStream/archive/e43023fd5b731416a60a0f0db21791f71f0d2baf.zip) FMPy version 0.3.29
ThermofluidStream_devFrom version 1.2.0-main (97dc3776922ba27582d364a9bccce3d404c5ca30) FMPy version 0.3.29 to 1.3.0-main (e43023fd5b731416a60a0f0db21791f71f0d2baf) FMPy version 0.3.29

Models Affected

Buildings_12Buildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)Simulate performance 3.31 → 0:07:02
Buildings_latestBuildings.Airflow.Multizone.Examples.TrickleVent (sim)Verify → Compile
Buildings_latestBuildings.Examples.ChillerPlant.DataCenterContinuousTimeControl (sim)Verify → Simulate
Buildings_latestBuildings.Examples.ScalableBenchmarks.BuildingVAV.Examples.OneFloor_OneZone (sim)Compile → Simulate
Buildings_latestBuildings.Examples.Tutorial.SimpleHouse.SimpleHouse6 (sim)Compile → Verify
Buildings_latestBuildings.Fluid.Sources.Examples.Outside_CpData (sim)Verify → Simulate
Buildings_latestBuildings.Fluid.Sources.Examples.Outside_CpLowRise (sim)Verify → Simulate
Buildings_latestBuildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)Simulate performance 0:14:02 → 3.27
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case600 (sim)Verify → Compile
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case610 (sim)Simulate performance 17.27 → 1.37
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case620 (sim)Compile → Verify
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case670 (sim)Compile → Verify
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case680 (sim)Verify → Compile
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case685 (sim)Verify → Compile
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case695 (sim)Simulate performance 1.38 → 20.75
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case900 (sim)Simulate performance 22.19 → 1.81
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case910 (sim)Simulate performance 1.97 → 11.54
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case920 (sim)Compile → Verify
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case950 (sim)Compile → Simulate
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case985 (sim)Simulate performance 15.85 → 0.63
IBPSA_latestIBPSA.Airflow.Multizone.Examples.TrickleVent (sim)Simulate → Compile
IBPSA_latestIBPSA.Examples.Tutorial.SimpleHouse.SimpleHouse6 (sim)Compile → Simulate
ThermofluidStreamThermofluidStream.Boundaries.Tests.VolumesDirectCoupling (sim)Compile → Verify
ThermofluidStreamThermofluidStream.Examples.SimpleAirCycle (sim)Verify → Compile
ThermofluidStream_devThermofluidStream.Boundaries.Tests.VolumesDirectCoupling (sim)Compile → Verify
ThermofluidStream_devThermofluidStream.Processes.Internal.CentrifugalPump.CalculateCoefficientsFromMeasurements (sim)Failed → Verify
ThermofluidStream_devThermofluidStream.Processes.Tests.CentrifugalPump (sim)Failed → Compile
ThermofluidStream_devThermofluidStream.Processes.Tests.CentrifugalPumpCharacteristics (sim)Failed → Compile