OpenModelica newInst-daeMode from 2026-06-17 15:24:23 to 2026-06-19 05:23:03

Summary

OMC Commits8
Libraries Changed1
Number of Improvements1
Number of Regressions3
Number of Performance Improvements5
Number of Performance Regressions1

OpenModelica Changes

CommitDateAuthorSummary
a31662a52e2026-06-18 16:05:16 +0200Per ÖstlundUpdate positiveMax omit rule (#15866)
d08ca120cd2026-06-18 13:36:34 +0300Adrian Pop[FMI] Fix FMI 1.0 model-exchange CVODE build + direct-feedthrough outputs (#15862) (#15863)
dc10e87af12026-06-18 11:22:45 +0200AndreasUpdating 3rdParty (#15861)
bcfd5bb7f72026-06-18 11:22:19 +0200AndreasFixing zero-length format string (#15860)
13302708af2026-06-17 23:27:37 +0200Adeel AsgharAllow FMU export of models when ecnrypted models/libraries are loaded (#15852)
8ca1c4c76c2026-06-17 19:47:11 +0200Adrian Pop[FMI] Fix broken FMI 1.0 model-exchange export (#15838) (#15845)
e7200dc7992026-06-17 19:02:31 +0200Per ÖstlundImprove stream equation simplifications (#15855)
3958e89f702026-06-17 18:10:09 +0200Per ÖstlundImplement nthRoot operator added in Modelica 3.7 (#15857)

3rdParty changes

Note that the 3rdParty libraries changed: 8780bcb40e3a..50be61eef3a5

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

AixLibAixLib.Controls.HVACAgentBasedControl.Examples.BookTrading.NetworkCommunication1 (sim)Simulate performance 0.11 → 0:08:00
AixLibAixLib.Controls.HVACAgentBasedControl.Examples.BookTrading.NetworkCommunication2 (sim)Simulate performance 0:05:21 → 0:01:06
Buildings_latestBuildings.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.GFunction_100boreholes (sim)Simulate → Verify
Buildings_latestBuildings.Templates.Plants.Controls.StagingRotation.Validation.EquipmentEnable (sim)Verify → Templates
ScalableTestGrids_nooptScalableTestGrids.Models.Type1.Type1_N_8_M_4 (sim)Simulate performance 39.12 → 18.61
ScalableTestGrids_nooptScalableTestGrids.Models.Type2.Type2_tapNoEv_N_6_M_4 (sim)Simulate performance 29.16 → 17.02
ScalableTestSuiteScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaActiveLoads_N_80_M_80 (sim)Simulate performance 12.65 → 6.35
ScalableTestSuiteScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelica_N_112_M_112 (sim)Templates → Failed
ScalableTestSuiteScalableTestSuite.Elementary.SimpleODE.ScaledExperiments.CascadedFirstOrder_N_25600 (sim)Simulate performance 31.57 → 17.80
ScalableTestSuite_nooptScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelica_N_112_M_112 (sim)Verify → Failed