OpenModelica v1.27-cpp from 2026-06-15 21:44:59 to 2026-06-22 05:17:59

Summary

OMC Commits2
Libraries Changed1
Number of Improvements1
Number of Regressions5
Number of Performance Improvements2
Number of Performance Regressions4

OpenModelica Changes

CommitDateAuthorSummary
47273bfe962026-06-19 11:45:01 +0300Adrian PopPort several fixes from master (#15868)
04dcd6c1cd2026-06-16 13:36:00 +0200Adeel AsgharOMEdit fixes (#15850)

OpenModelicaLibraryTesting Changes

CommitDateAuthorSummary
d357aff2026-06-12 13:26:07 +0200AndreasFix OMSimulator submodule update when directory layout changes (#287)
12a01782026-06-06 12:43:09 +0200Adrian Popdrop v1.25 and add v1.27 (#286)

Library Changes

LibraryChange
Buildings_latestFrom version 13.0.1-master (https://github.com/lbl-srg/modelica-buildings/archive/2c3c6c4a49b0aee70c96fbb48ac2cb9f6186eead.zip) to 13.0.1-master (https://github.com/lbl-srg/modelica-buildings/archive/8754785d1d873f7e49578c4368587dfb0e6e4300.zip)

Models Affected

Buildings_latestBuildings.DHC.Examples.Combined.SeriesVariableFlow (sim)Compile → Templates
Buildings_latestBuildings.ThermalZones.EnergyPlus_24_2_0.Examples.SmallOffice.ASHRAE2006Spring (sim)Templates performance 16.53 → 8.56
ModelicaTest_trunkModelicaTest.Blocks.FilterTests.AllOptions (sim)Simulate performance 15.57 → 31.86
ScalableTestGrids_nooptScalableTestGrids.Models.Type1.Type1_N_8_M_4 (sim)
ScalableTestSuiteScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaActiveLoads_N_320_M_5 (sim)Verify → Templates
ScalableTestSuiteScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaIndividual_N_80_M_80 (sim)BackEnd performance 0:01:13 → 0:02:48
ScalableTestSuiteScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelica_N_56_M_56 (sim)Templates → Verify
ScalableTestSuiteScalableTestSuite.Elementary.Tables.ScaledExperiments.TimeTable_N_16000 (sim)Verify → Failed
ScalableTestSuiteScalableTestSuite.Thermal.Advection.ScaledExperiments.SteamPipe_N_640 (sim)Simulate → Failed
ScalableTestSuite_nooptScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelica_N_56_M_56 (sim)Verify → Templates
ScalableTestSuite_nooptScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelica_N_80_M_80 (sim)BackEnd performance 0:01:45 → 0:03:07
ScalableTestSuite_nooptScalableTestSuite.Elementary.WhenEvents.ScaledExperiments.ManyEvents_N_8000_M_10 (sim)SimCode performance 0:02:21 → 0:01:00
ScalableTestSuite_nooptScalableTestSuite.Power.ConceptualPowerSystem.ScaledExperiments.PowerSystemStepLoad_N_64_M_16 (sim)Simulate performance 5.51 → 12.66