OpenModelica v1.26 from 2026-05-03 13:57:21 to 2026-05-03 22:43:23

Summary

OMC Commits1
Libraries Changed0
Number of Improvements5
Number of Regressions2
Number of Performance Improvements2
Number of Performance Regressions1

OpenModelica Changes

CommitDateAuthorSummary
2b913cc6c42026-05-03 15:00:05 +0200Adrian Popinclude the version in the file name (#15479)

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

Models Affected

Buildings_11Buildings.DHC.Examples.Combined.SeriesVariableFlow (sim)BackEnd performance 25.54 → 15.02
Buildings_11Buildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)Simulate performance 0:06:40 → 0.18
Buildings_11Buildings.ThermalZones.EnergyPlus_9_6_0.Examples.SmallOffice.Guideline36Winter (sim)Compile → Simulate
Buildings_12Buildings.DHC.ETS.Combined.Examples.ChillerBorefield (sim)Simulate → Compile
Buildings_12Buildings.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.GFunction_100boreholes (sim)Simulate → Verify
Buildings_latestBuildings.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.GFunction_100boreholes (sim)Simulate → Verify
Modelica_DeviceDriversModelica_DeviceDrivers.Blocks.Examples.TestSerialPackagerBitPack_UDP (sim)Compile → Simulate
Modelica_DeviceDriversModelica_DeviceDrivers.Blocks.Examples.TestSerialPackager_MQTT (sim)Simulate → Compile
Modelica_DeviceDriversModelica_DeviceDrivers.Blocks.Examples.TestSerialPackager_UDPExternalTrigger (sim)Compile → Simulate
ScalableTestSuite_nooptScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaActiveLoads_N_80_M_80 (sim)BackEnd performance 0:01:33 → 0:02:58