OpenModelica master from 2026-07-20 05:47:06 to 2026-07-20 19:18:27

Summary

OMC Commits3
Libraries Changed1
Number of Improvements4
Number of Regressions2
Number of Performance Improvements2
Number of Performance Regressions3

OpenModelica Changes

CommitDateAuthorSummary
41b6f7a5f52026-07-20 11:41:34 +0200Martin SjölundExport MultiBody 3D visualization in FMUs (#16087)
099e898d2b2026-07-20 11:08:36 +0200kabdelhak[NB] Simplify complex when-equation conditions into discrete auxiliary variables (#16090)
5e5f6fb5b02026-07-20 08:49:41 +0200Martin Sjölundwasm-jit: non-scalarized arrays, nthRoot (#16083)

OpenModelicaLibraryTesting Changes

CommitDateAuthorSummary
6697fc02026-07-06 18:25:17 +0200linuslangenkamp[GBODE] set Radau IIA 3-stage, remove embedded error estimate (#288)
d357aff2026-06-12 13:26:07 +0200AndreasFix OMSimulator submodule update when directory layout changes (#287)

Library Changes

LibraryChange
Buildings_latestFrom version 14.0.0-master (https://github.com/lbl-srg/modelica-buildings/archive/36854481a51c26c04c6333ab07d75880d24fa097.zip) to 14.0.0-master (https://github.com/lbl-srg/modelica-buildings/archive/6373efe401ef725de5c50effae40e5efd38de7fd.zip)

Models Affected

AESAES.Coursework.ThermSys_control_problems.Flow_pressure_control_liquids.Valve_linearisation_case_001a_DT_LargeScale (sim)Simulate performance 38.01 → 0:01:27
Buildings_11Buildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)Simulate performance 0.18 → 0:06:40
Buildings_12Buildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)Simulate performance 0.25 → 0:06:40
Buildings_latestBuildings.DHC.ETS.Combined.Examples.HeatRecoveryHeatPump (sim)Simulate → Verify
Buildings_latestBuildings.DHC.ETS.Combined.Validation.HeatRecoveryHeatPump (sim)Simulate → Verify
Buildings_latestBuildings.Fluid.FixedResistances.BuriedPipes.Examples.SingleBuriedPipe (sim)Simulate → Compile
Modelica_DeviceDriversModelica_DeviceDrivers.Blocks.Examples.TestSerialPackager_UDP (sim)Simulate → Compile
Modelica_DeviceDriversModelica_DeviceDrivers.Blocks.Examples.TestSerialPackager_UDPAutoBufferSize (sim)Compile → Simulate
ScalableTestGrids_nooptScalableTestGrids.Models.Type1.Type1_N_2_M_4 (sim)BackEnd performance 11.62 → 6.73
ScalableTestGrids_nooptScalableTestGrids.Models.Type1.Type1_N_6_M_4 (sim)Failed → Simulate
ScalableTestGrids_nooptScalableTestGrids.Models.Type1.Type1_reduced_N_3_M_4 (sim)FrontEnd performance 11.16 → 6.46