OpenModelica cpp from 2026-05-01 20:58:15 to 2026-05-04 17:37:41

Summary

OMC Commits8
Libraries Changed2
Number of Improvements4
Number of Regressions6
Number of Performance Improvements1
Number of Performance Regressions3

OpenModelica Changes

CommitDateAuthorSummary
1d375678292026-05-04 17:12:26 +0200Adeel AsgharHttpServer is a required package when building with Qt6 (#15483)
fe057f687c2026-05-04 17:07:26 +0200Martin SjölundChange equations in MetaModelica to algorithms (#15480)
971b00b4ee2026-05-04 17:06:01 +0200Adeel AsgharAvoid calling getElements without a class name (#15486)
3708756fd42026-05-04 15:30:07 +0200Adeel AsgharSwitching order of tabs only causes issues on Windows (#15484)
535021b41e2026-05-04 13:55:07 +0200Adeel AsgharDo not make the fields array static (#15482)
106ed2c6372026-05-03 21:43:00 +0200Martin SjölundRemove string comments on match expression input/pattern/else (#15477)
6c3ff66db32026-05-03 15:51:41 +0200Adrian Popinclude the version in the file name (#15478)
9e652b8f3a2026-05-01 20:56:49 +0200Martin SjölundChange equations to algorithms in MetaModelica (#15467)

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/c819a94c6d52b58d3cba23caa8cb871f1e97d2fd.zip) to 11.1.1-maint.11.x (https://github.com/lbl-srg/modelica-buildings/archive/16657dbfcd789e924daab8027b423f5abeeb00e2.zip)
Buildings_latestFrom version 13.0.0-master (https://github.com/lbl-srg/modelica-buildings/archive/0d7cf53f81085ebd20a71b8cc29e366c236c6808.zip) to 13.0.0-master (https://github.com/lbl-srg/modelica-buildings/archive/2bc4c86e623c7929c87e874c36a5bb4f05b7433b.zip)

Models Affected

Buildings_11Buildings.DHC.Plants.Combined.Examples.AllElectricCWStorage (sim)Templates → Compile
Buildings_11Buildings.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.Validation.Measured_SmallScale (sim)Compile → Simulate
Buildings_latestBuildings.DHC.Examples.Combined.ETSHeatRecoveryHeatPump_BuildingTimeSeries.WithDHW (sim)Compile → Simulate
Buildings_latestBuildings.DHC.Plants.Combined.Validation.AllElectricCWStorage (sim)Simulate performance 0:13:22 → 0:02:15
Buildings_latestBuildings.Examples.Tutorial.SimpleHouse.SimpleHouse6 (sim)Verify → Simulate
Buildings_latestBuildings.Fluid.Sources.Examples.Outside_CpData (sim)Verify → Simulate
Buildings_latestBuildings.Fluid.Sources.Examples.Outside_CpData_Angles (sim)Verify → Simulate
ModelicaTest_4.0.0ModelicaTest.Blocks.FilterTests.AllOptions (sim)Simulate performance 19.16 → 35.56
OpenIPSL_devOpenIPSL.Examples.N44.Base_Case.Nordic44_Base_Case (sim)
ScalableTestSuiteScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaActiveLoads_N_320_M_5 (sim)Verify → Templates
ScalableTestSuiteScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaActiveLoads_N_56_M_56 (sim)Templates → Verify
ScalableTestSuiteScalableTestSuite.Elementary.SimpleODE.ScaledExperiments.CascadedFirstOrder_N_25600 (sim)BackEnd performance 20.79 → 44.03
ScalableTestSuite_nooptScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaActiveLoads_N_320_M_5 (sim)Verify → Templates
ScalableTestSuite_nooptScalableTestSuite.Electrical.TransmissionLine.ScaledExperiments.TransmissionLineEquations_N_1280 (sim)Simulate → Compile
ScalableTestSuite_nooptScalableTestSuite.Thermal.Advection.ScaledExperiments.AdvectionReaction_N_1600 (sim)Simulate performance 22.30 → 41.15