OpenModelica v1.26 from 2026-04-27 23:55:12 to 2026-04-29 15:23:23

Summary

OMC Commits1
Libraries Changed3
Number of Improvements1
Number of Regressions2
Number of Performance Improvements3
Number of Performance Regressions4

OpenModelica Changes

CommitDateAuthorSummary
b3b502fb792026-04-29 13:06:41 +0200Adrian Popadd the workflows from master (#15454)

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_11From version 11.1.1-maint.11.x (https://github.com/lbl-srg/modelica-buildings/archive/e8d2b9b1d08ee9acad54c23d1d35029e31cdf8a3.zip) to 11.1.1-maint.11.x (https://github.com/lbl-srg/modelica-buildings/archive/c819a94c6d52b58d3cba23caa8cb871f1e97d2fd.zip)
Buildings_latestFrom version 13.0.0-master (https://github.com/lbl-srg/modelica-buildings/archive/543125ca4b4d77c3dc64820c45bdb2928efb502a.zip) to 13.0.0-master (https://github.com/lbl-srg/modelica-buildings/archive/9f83a651912bad4d5e9b35cceb005fb3047ca3e1.zip)
ThermofluidStream_devFrom version 1.2.0-main (97dc3776922ba27582d364a9bccce3d404c5ca30) to 1.2.0-main (46029dfb5b06736f1d4b16723399d1ccfcfbcd03)

Models Affected

Buildings_11Buildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)Simulate performance 0.18 → 0:06:40
Buildings_12Buildings.DHC.ETS.Combined.Examples.ChillerBorefield (sim)Simulate → Compile
Buildings_12Buildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)Simulate performance 0.17 → 0:06:40
Buildings_latestBuildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)Simulate performance 0:13:20 → 0.19
Modelica_DeviceDriversModelica_DeviceDrivers.Blocks.Examples.TestSerialPackager_UDPWithoutReceiveThread (sim)Simulate → Compile
ThermofluidStream_devThermofluidStream.Boundaries.Tests.PhaseSeperator (sim)Compile → Verify
ThermofluidStream_devThermofluidStream.Boundaries.Tests.VolumesDirectCoupling (sim)Simulate performance 0:01:30 → 0:16:40
ThermofluidStream_devThermofluidStream.Examples.ReverseHeatPump (sim)Simulate performance 0:04:09 → 0:09:37
ThermofluidStream_devThermofluidStream.HeatExchangers.Tests.Condenser (sim)Simulate performance 21.03 → 12.02
ThermofluidStream_devThermofluidStream.HeatExchangers.Tests.ElementTwoPhase (sim)Simulate performance 53.84 → 31.61