OpenModelica cvode from 2026-04-16 03:37:10 to 2026-04-27 05:00:33

Summary

OMC Commits64
Libraries Changed4
Number of Improvements6
Number of Regressions2
Number of Performance Improvements11
Number of Performance Regressions6

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)
92e04398562026-04-23 20:46:35 +0200Martin SjölundMCP addConnection: fix lookup failure for top-level connectors (#15403)
3c09b0f47c2026-04-23 20:34:27 +0200Adrian Popupdate 3rdParty to fix f2c.h header, partially fixes #13991 (#15402)
624396a7b22026-04-23 18:38:42 +0200AndreasUpdate OSMC-PL 1.8 License headers for OMCompiler/Parser, OMCompiler/tools/ (#15401)
542e40d6b02026-04-23 17:34:16 +0200AndreasUpdate OSMC-PL 1.8 License headers for OMCompiler/Compiler (#15398)
50b49d4de92026-04-22 16:58:43 +0200AnHeuermannUpdate OMCompiler/3rdParty
0fd1defd3c2026-04-22 11:10:42 +0200AnHeuermannCI test for OSMC license
bac21ccc732026-04-22 12:05:43 +0200AnHeuermannUpdate SimulationRuntime/ParModelica License
4d35ba20262026-04-22 11:54:55 +0200AnHeuermannUpdate SimulationRuntime/opc License
575ba4e6bf2026-04-22 11:08:56 +0200AnHeuermannUpdate SimulationRuntime/OMSI* License
8351b918302026-04-22 11:06:30 +0200AnHeuermannUpdate SimulationRuntime/cpp License
af2a7aa92f2026-04-22 11:05:09 +0200AnHeuermannUpdate SimulationRuntime/fmi License
01444173f42026-04-22 10:57:31 +0200AnHeuermannUpdate SimulationRuntime/c License
0c47f27e862026-04-22 10:52:41 +0200AnHeuermannAdd CI script to check and fix SimulationRuntime license headers
5bb04279562026-04-23 11:30:34 +0200Adeel AsgharAdd proxy model to equation tree with sorting (#15395)
292857ecd72026-04-22 23:54:48 +0200JKRT_CLAUDE_ACCOUNTfmi2: fix FMI-ME memory pool leak in directional derivative functions (#15388)
a672cc73052026-04-22 17:43:48 +0200AndreasUpdate GitHub actions (#15392)
2e173250652026-04-22 16:55:37 +0200AndreasUpdate OMCompiler/3rdParty (#15391)
4c7f4f340e2026-04-22 15:57:22 +0200Per ÖstlundHandle named arguments for String in getModelInstance (#15386)
e27217625b2026-04-22 15:19:53 +0200linuslangenkamp[NB] fix assignment of columnVars in NSimJacobian (#15378)
257eea35712026-04-22 13:31:15 +0200Adeel AsgharShow modifiers tab name with number of actual modifiers (#15390)
96a6646f5c2026-04-21 22:07:37 +0200arun3688set output alias var state select to DAE.AVOID() (#15374)
e1111729262026-04-21 14:47:23 +0200Adeel AsgharUpdate the file path if the class name of interactive class is changed (#15381)
4c3a2e9f132026-04-21 13:04:14 +0200AndreasFix/fmi license header osmc pl 1.8 (#15379)
6dc3596ec12026-04-21 11:47:17 +0200Adeel AsgharShow the class name where the match is found (#15377)
5480017e1f2026-04-20 20:14:49 +0200kabdelhak[NB] fix initial block aliasing (#15373)
331e5d5c8b2026-04-20 18:39:37 +0200bartse1fmu2: restore pool state on all doStep exit paths (#15371)
edd265e26d2026-04-20 12:30:47 +0200kabdelhak[NB] fix start values of records (#15368)
bfd5e111ff2026-04-20 12:01:54 +0200Adeel AsgharDo not remove the sparsity pattern files (#15369)
595b30d8782026-04-20 09:45:22 +0200Andreas[NF] Add trailing ':' subscripts to partially-indexed arrays (#15353)
7331d1e9e62026-04-20 09:21:36 +0200bartse1fmi: fix memory pool leak in internalEventUpdate and fmi2DoStep (#14509) (#15363)
5f16e754452026-04-18 00:34:53 +0200Adeel AsgharFix main layout of text files and ssp models. (#15366)
c573d3121f2026-04-18 00:01:21 +0200Adeel AsgharImplemented a GUI interface for reverseLookup API (#15365)
d070485a812026-04-17 22:11:16 +0200Adrian Popbeautify command (#15364)
74482ff4bc2026-04-17 18:22:40 +0200AndreasLess skipped workflow noise (#15362)
2cfabd56922026-04-17 17:35:11 +0200Per ÖstlundAdd class paths to reverseLookup API (#15361)
513515b4682026-04-17 17:14:23 +0200Adrian Popalso bundle the full source code on release publishing #15377 (#15360)
d9d95aa3b82026-04-17 16:27:49 +0200Martin Sjölund[MCP] List if a connector is conditional (#15359)
c6313bc0472026-04-17 16:26:13 +0200Per ÖstlundFix Subscript.simplifyList (#15358)
7b598cf4a22026-04-17 15:19:08 +0200Martin Sjölund[MCP] Fix spurious compilation errors when simulate is called twice (#15357)
36e71cce672026-04-17 14:52:46 +0200Adrian Popoverride the nightly zip (#15354)
d6e0c03cb92026-04-17 13:59:51 +0200Adeel AsgharMove modifiers tab after setting all tabs (#15356)
2fac43476f2026-04-17 13:21:22 +0200Per ÖstlundFix #15352 (#15355)
eb0faf289c2026-04-17 12:03:11 +0200Per ÖstlundFix ComponentRef.fillSubscripts (#15352)
7cd6fa4b332026-04-17 11:13:55 +0200kabdelhak[NB] add start value dependencies (#15350)
f1cc71b6c72026-04-17 08:38:06 +0200Adrian Popadd action for #15337 (#15349)
d0738d44712026-04-16 22:41:45 +0200kabdelhak[NB] do not create a new start variable if it already exists (#15348)
822b545af92026-04-16 19:42:19 +0200kabdelhak[NB] update creation of start equations (#15347)
158903678d2026-04-16 15:33:11 +0200Martin Sjölund[MCP] Make the classDiagram output structured (#15345)
0dd302ec092026-04-16 14:09:28 +0200kabdelhak[NB] add new start equations for unfixed variables (#15343)
52300d84b72026-04-16 13:55:58 +0200Adeel AsgharList the element modifiers in the parameters dialog (#15344)
5464210ec02026-04-16 10:35:04 +0200Adeel AsgharRemoved unused variable (#15342)

3rdParty changes

Note that the 3rdParty libraries changed: a5205221927e..72914efd91c9

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
AESFrom version main (9df2563bbfc594406229273baef9fe15243514ec) to main (61273ea28762b2369292d6333fcdd3b7e902c09c)
Buildings_12From version 12.1.1-maint.12.x (https://github.com/lbl-srg/modelica-buildings/archive/8712ec76c4bbc553c2c57fb15e719b11505977bd.zip) to 12.1.1-maint.12.x (https://github.com/lbl-srg/modelica-buildings/archive/fe09072c92b91b605c9c712ddf54b9a64178b622.zip)
Buildings_latestFrom version 13.0.0-master (https://github.com/lbl-srg/modelica-buildings/archive/ea4a998fd28f14d73269049a599d17f5657c9c67.zip) to 13.0.0-master (https://github.com/lbl-srg/modelica-buildings/archive/543125ca4b4d77c3dc64820c45bdb2928efb502a.zip)
ThermoPower_4.0.0-devFrom version 4.0.0-dev (https://github.com/casella/ThermoPower/archive/5de333dbb08a19ff8d2eb60c737e6a84f038397c.zip) to 4.0.0-dev (https://github.com/casella/ThermoPower/archive/268d6978bf9d1c602fdc8f47e8e4315dda72b46d.zip)

Models Affected

AESAES.Devel_test_models.Test_liquid_circuit_001 (sim)Compile → Simulate
Buildings_12Buildings.DHC.Examples.Combined.SeriesConstantFlow (sim)Simulate → Compile
Buildings_12Buildings.DHC.Examples.Combined.SeriesVariableFlow (sim)Compile → Simulate
Buildings_12Buildings.Fluid.Geothermal.ZonedBorefields.Validation.SteadyStateBoreholeDynamics (sim)Simulate performance 0:01:17 → 0:02:14
Buildings_latestBuildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)Simulate performance 1.15 → 0:13:20
ClaRaClaRa.Examples.SteamCycle_01 (sim)
Modelica_DeviceDriversModelica_DeviceDrivers.Blocks.Examples.TestSerialPackager_MQTT (sim)Simulate → Compile
Modelica_DeviceDriversModelica_DeviceDrivers.Blocks.Examples.TestSerialPackager_UDPAutoBufferSize (sim)Compile → Simulate
ScalableTestSuiteScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaActiveLoads_N_40_M_40 (sim)BackEnd performance 22.46 → 12.32
ScalableTestSuiteScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaActiveLoads_N_56_M_56 (sim)FrontEnd performance 10.09 → 5.67 BackEnd performance 43.43 → 23.35
ScalableTestSuiteScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaActiveLoads_N_80_M_80 (sim)FrontEnd performance 21.25 → 10.23 Simulate performance 37.16 → 11.70
ScalableTestSuiteScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaIndividual_N_80_M_80 (sim)FrontEnd performance 43.16 → 23.09 SimCode performance 12.37 → 6.78
ScalableTestSuiteScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelica_N_56_M_56 (sim)Templates performance 14.68 → 7.50
ScalableTestSuiteScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelica_N_80_M_80 (sim)BackEnd performance 0:02:41 → 0:01:02
ScalableTestSuiteScalableTestSuite.Elementary.SimpleODE.ScaledExperiments.CascadedFirstOrder_N_3200 (sim)Compile → Verify
ScalableTestSuiteScalableTestSuite.Elementary.WhenEvents.ScaledExperiments.ManyEvents_N_2000_M_10 (sim)Simulate performance 30.18 → 8.28
ScalableTestSuiteScalableTestSuite.Elementary.WhenEvents.ScaledExperiments.ManyEvents_N_8000_M_10 (sim)Compile → Verify
ScalableTestSuiteScalableTestSuite.Thermal.Advection.ScaledExperiments.AdvectionReaction_N_1600 (sim)Simulate performance 30.33 → 0:01:40
ScalableTestSuite_nooptScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaIndividual_N_80_M_80 (sim)Simulate performance 14.92 → 5.80
ScalableTestSuite_nooptScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelica_N_80_M_80 (sim)BackEnd performance 0:01:50 → 0:03:18
ScalableTestSuite_nooptScalableTestSuite.Elementary.SimpleODE.ScaledExperiments.CascadedFirstOrder_N_1600 (sim)Simulate performance 5.06 → 10.58
ScalableTestSuite_nooptScalableTestSuite.Elementary.SimpleODE.ScaledExperiments.CascadedFirstOrder_N_25600 (sim)BackEnd performance 22.34 → 0:01:19
ScalableTestSuite_nooptScalableTestSuite.Elementary.WhenEvents.ScaledExperiments.ManyEventsManyConditions_N_1000_M_1000 (sim)Simulate performance 27.94 → 12.21
ScalableTestSuite_nooptScalableTestSuite.Thermal.Advection.ScaledExperiments.AdvectionReaction_N_1600 (sim)Simulate performance 0:01:49 → 36.92
ScalableTestSuite_nooptScalableTestSuite.Thermal.Advection.ScaledExperiments.SimpleAdvection_N_1600 (sim)Simulate performance 24.08 → 13.00
ThermoPower_4.0.0-devThermoPower.Test.WaterComponents.WaterPump (sim)Compile → Simulate