OpenModelica newInst-daeMode from 2026-07-12 13:09:55 to 2026-07-15 05:09:05

Summary

OMC Commits11
Libraries Changed2
Number of Improvements12
Number of Regressions4
Number of Performance Improvements1
Number of Performance Regressions1

OpenModelica Changes

CommitDateAuthorSummary
7b3b89d8b22026-07-14 21:22:39 +0200Julien SchuellerOMCompiler: Add --export-fmu cli option (#16029)
fd7f55d9b42026-07-14 20:34:23 +0200Julien SchuellerOMCompiler: Reformat old scripts (#15983)
81eb463ea32026-07-14 18:13:29 +0200Julien SchuellerOMCompiler: Reinitialize solver after fmi2SetFMUstate (#16027)
b7c5ebc8a52026-07-14 12:45:51 +0200AndreasReduce Jenkinsfile CPS-compiled method size (#16044)
5f470624f42026-07-13 21:58:53 +0200Martin SjölundReplace anyhow errors with static strings (#16046)
676ebe780b2026-07-13 20:44:47 +0200Martin SjölundAdd optional mimalloc/jemalloc global allocators (#16045)
7ce6f298932026-07-13 14:27:11 +0200Julien SchuellerSimulationRuntime: consistent output values in FMI ME GetReal calls (#16019)
a1842a78b72026-07-13 13:54:13 +0200Martin Sjölundmmtorust: borrow arrays once per function (#16043)
a751d31b1b2026-07-13 10:31:12 +0200Martin Sjölundwasm-jit: DASSL fidelity (#16040)
dffc9f239c2026-07-13 00:07:24 +0200kabdelhak[NB] Fix SteadyState init regression from #15045: restore addInitialStartOccurrences (#16041)
22697edefa2026-07-12 20:54:13 +0200Martin SjölundRust: Fix execstime semantics (#16042)

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/0192839096eb88d9d260b9390bff8efa3bca02b5.zip) to 14.0.0-master (https://github.com/lbl-srg/modelica-buildings/archive/36854481a51c26c04c6333ab07d75880d24fa097.zip)
ThermofluidStream_devFrom version 1.3.0-main (6115f1350febbe082f25084b41740aa97660be82) to 1.3.0-main (7b20040b4907ae9cd0eb645e56be0c867e6afe8f)

Models Affected

AixLibAixLib.Controls.HVACAgentBasedControl.Examples.BookTrading.BookTrading (sim)Compile → Simulate
AixLibAixLib.Controls.HVACAgentBasedControl.Examples.BookTrading.NetworkCommunication1 (sim)Simulate performance 0:08:00 → 0.31
Buildings_latestBuildings.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.GFunction_100boreholes (sim)Verify → Simulate
Modelica_DeviceDriversModelica_DeviceDrivers.Blocks.Examples.TestSerialPackager_UDPAutoBufferSize (sim)Simulate → Compile
ScalableTestSuiteScalableTestSuite.Elementary.SimpleODE.ScaledExperiments.CascadedFirstOrder_N_25600 (sim)Simulate performance 9.51 → 17.93
ScalableTestSuite_nooptScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelica_N_112_M_112 (sim)Verify → Failed
ThermofluidStream_devThermofluidStream.Examples.HeatPump (sim)Failed → FrontEnd
ThermofluidStream_devThermofluidStream.Examples.VaporCycle (sim)Failed → FrontEnd
ThermofluidStream_devThermofluidStream.FlowControl.Tests.PCV (sim)Verify → Simulate
ThermofluidStream_devThermofluidStream.HeatExchangers.Tests.Condenser (sim)Failed → Compile
ThermofluidStream_devThermofluidStream.HeatExchangers.Tests.Evaporator (sim)Failed → Compile
ThermofluidStream_devThermofluidStream.HeatExchangers.Tests.FlowRes (sim)Failed → Compile
ThermofluidStream_devThermofluidStream.HeatExchangers.Tests.Recuperator (sim)Failed → Simulate
ThermofluidStream_devThermofluidStream.Media.Tests.TestXRGMedia (sim)Failed → FrontEnd
ThermofluidStream_devThermofluidStream.Media.additionalMedia.Incompressible.Tests.TestLiqLoopDowcal100 (sim)Failed → Simulate
ThermofluidStream_devThermofluidStream.Media.additionalMedia.Incompressible.Tests.TestLiqLoopJP8 (sim)Failed → Simulate
ThermofluidStream_devThermofluidStream.Media.additionalMedia.SingleGasAndIncompressible.Tests.TestLiqLoopJP8DryAir (sim)Failed → Simulate
ThermofluidStream_devThermofluidStream.Undirected.HeatExchangers.Tests.TestDiscretizedHEXvsDir (sim)Failed → Compile