OpenModelica newInst-daeMode from 2026-04-24 02:59:14 to 2026-04-26 23:53:57

Summary

OMC Commits13
Libraries Changed2
Number of Improvements11
Number of Regressions1
Number of Performance Improvements2
Number of Performance Regressions3

OpenModelica Changes

CommitDateAuthorSummary
120967e4702026-04-26 09:44:34 +0200Adrian Popforce qt6 on resolute (#15423)
3ceb0c9d062026-04-25 15:25:21 +0200Martin SjölundMCP: add README with setup and AI client connection instructions (#15420)
65e501f1882026-04-25 13:10:40 +0200rfrankeDon't generate initial equations for start values of clocked variables (#15411)
91a32377fa2026-04-24 20:36:28 +0200Martin SjölundAdd getTotalModel scripting API and MCP tool (#15415)
094b4684ff2026-04-24 20:02:06 +0200kabdelhak[NB] update binding iterator handling (#15407)
3ac8d892fe2026-04-24 19:16:00 +0200Martin SjölundMCP: add getCoordinateSystem and setCoordinateSystem tools (#15414)
4e00c4470f2026-04-24 19:00:23 +0200Martin SjölundSimulationOutputWidget: track compilation stderr separately (#15413)
f6622fb4672026-04-24 18:01:18 +0200linuslangenkamp[GBODE] perform zero-order hold for all fast states (#15408)
4d330e1f872026-04-24 16:25:55 +0200Adeel AsgharBetter handling of apostrophes in path (#15410)
3d30d1d55b2026-04-24 14:45:59 +0200kabdelhak[NB] fix init alias components (#15380)
04c6afbd292026-04-24 14:01:51 +0200Adeel AsgharInitialize Values.Value list (#15406)
ceb4902fb82026-04-24 12:03:06 +0200Per ÖstlundDisable DynamicSelect workaround for getModelInstance (#15399)
bcbbe159c02026-04-24 11:59:34 +0200linuslangenkamp[GBODE] add multirate support for -gbnls=internal (#15237)

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_12From version 12.1.1-maint.12.x (https://github.com/lbl-srg/modelica-buildings/archive/473f98da8fc3b8f7662785d06bce6ef8a648f7d9.zip) to 12.1.1-maint.12.x (https://github.com/lbl-srg/modelica-buildings/archive/fe09072c92b91b605c9c712ddf54b9a64178b622.zip)
Modelica_trunkFrom version trunk (https://github.com/OpenModelica/OpenModelica-ModelicaStandardLibrary/archive/9633500c449b02e2cff77530149c3dfe5b5e08a5.zip) to trunk (https://github.com/OpenModelica/OpenModelica-ModelicaStandardLibrary/archive/1f0d58a144eb15c7d4766a321a4a89edc14062c3.zip)

Models Affected

AixLibAixLib.Controls.HVACAgentBasedControl.Examples.BookTrading.BookTrading (sim)Simulate → Compile
AixLibAixLib.Controls.HVACAgentBasedControl.Examples.BookTrading.NetworkCommunication1 (sim)Simulate performance 1.08 → 0:08:00
Buildings_12Buildings.Fluid.Geothermal.ZonedBorefields.Validation.SteadyStateBoreholeDynamics (sim)Simulate performance 0:02:05 → 0:01:00
Modelica_4.0.0Modelica.Clocked.Examples.SimpleControlledDrive.ClockedWithDiscretizedContinuousController (sim)FrontEnd → Compile
Modelica_4.0.0Modelica.Clocked.Examples.Systems.ControlledMixingUnit (sim)FrontEnd → Compile
Modelica_4.1.0Modelica.Clocked.Examples.SimpleControlledDrive.ClockedWithDiscretizedContinuousController (sim)FrontEnd → Compile
Modelica_4.1.0Modelica.Clocked.Examples.Systems.ControlledMixingUnit (sim)FrontEnd → Compile
Modelica_DeviceDriversModelica_DeviceDrivers.Blocks.Examples.TestSerialPackagerBitPack_UDP (sim)Compile → Simulate
Modelica_DeviceDriversModelica_DeviceDrivers.Blocks.Examples.TestSerialPackager_UDPWithoutReceiveThread (sim)Compile → Simulate
Modelica_trunkModelica.Clocked.Examples.SimpleControlledDrive.ClockedWithDiscretizedContinuousController (sim)FrontEnd → Compile
Modelica_trunkModelica.Clocked.Examples.Systems.ControlledMixingUnit (sim)FrontEnd → Compile
OpenIPSLOpenIPSL.Examples.PSATSystems.Discretization.FourthOrder_AVRII_Discretized_Continuous (sim)FrontEnd → Compile
OpenIPSL_2.0.0OpenIPSL.Examples.PSATSystems.Discretization.FourthOrder_AVRII_Discretized_Continuous (sim)FrontEnd → Compile
OpenIPSL_devOpenIPSL.Examples.PSATSystems.Discretization.FourthOrder_AVRII_Discretized_Continuous (sim)FrontEnd → Compile
ScalableTestGrids_nooptScalableTestGrids.Models.Type1.Type1_N_6_M_4 (sim)Simulate performance 7.68 → 22.01
ScalableTestSuite_nooptScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaActiveLoads_N_80_M_80 (sim)Simulate performance 6.75 → 12.26
ScalableTestSuite_nooptScalableTestSuite.Elementary.SimpleODE.ScaledExperiments.CascadedFirstOrder_N_25600 (sim)Simulate performance 21.09 → 11.24