OpenModelica newInst-daeMode from 2026-06-07 18:59:44 to 2026-06-10 05:13:40

Summary

OMC Commits22
Libraries Changed2
Number of Improvements4
Number of Regressions2
Number of Performance Improvements2
Number of Performance Regressions4

OpenModelica Changes

CommitDateAuthorSummary
8a3adbca2d2026-06-10 00:41:54 +0200rfranke[Cpp, FMI] move generation of modelInstance.json to SimCodeMain (#15801) (#15803)
d3c6f91f0f2026-06-09 21:58:28 +0200Martin SjölundParser: named arguments after positional needs a comma (#15802)
ae8f8b82702026-06-09 21:12:08 +0200Martin SjölundHandle END_IDENT for Optimica (#15800)
5abada389d2026-06-09 19:37:57 +0200Martin SjölundexpandDerExp: stop earlier on errors (#15799)
c6af4f1b2d2026-06-09 16:08:32 +0200Martin SjölundUse loops over recursion (#15781)
0d9512b5802026-06-09 14:42:28 +0200Adrian Pop[SimCode] Fix codegen for nested initialization nonlinear systems (#15433) (#15795)
7cc8988e782026-06-09 13:51:12 +0200Julien SchuellerBump OMCompiler/3rdParty (#15791)
53632c41042026-06-09 11:01:36 +0200Adeel AsgharDo not remove frame style from QTextBrowser (#15794)
5797b44f0f2026-06-08 19:48:24 +0200kabdelhak[NB] update iterator handling for function alias (#15793)
086ebf17042026-06-08 17:33:56 +0200phannebohm[C] Remove duplicate nnz counter in sparsity (#15786)
5978f9f6932026-06-08 16:33:46 +0200phannebohmRemove unused variables (#15785)
e7f003a8a52026-06-08 16:25:53 +0200phannebohm[NB] Remove custom Rational (#15784)
83ec0c06ab2026-06-08 14:26:38 +0200Adeel AsgharReduced the default minimum width for value (#15782)
ac04a64e322026-06-08 13:56:53 +0200Martin SjölundCodegenC.tpl: give hpcom pthread thread functions the pthread signature (#15772)
5dddfb80e42026-06-08 13:10:48 +0200Adrian Pop[OMEdit] Enable MCP server build on Qt 6.4.x (#15779)
8415f4f0932026-06-08 13:10:09 +0200Adrian Pop[OMEdit] Add Qt version in the About dialog (#15778)
952f8a709c2026-06-08 11:10:27 +0200Martin SjölundSimulationRuntime cpp: don't re-prefix raw -l flags in LAPACK_LIBRARIES (#15776)
4bdbbb9fe42026-06-08 10:59:47 +0200Martin Sjölundparser: report invalid-escape warning at the real source position (#15775)
a8c3054c922026-06-08 10:53:41 +0200Martin SjölundFix string corruption in reverse-order StringAllocator fills (#15774)
093518e2c92026-06-08 10:45:14 +0200Martin SjölundCodegenC.tpl: emit headers for WHEN generic-call loop bodies (#15773)
b07706f4322026-06-08 10:44:52 +0200Martin SjölundBackendDump: drop debug SIMULATION/INITIALSYSTEM print in dumpLoops (#15771)
c7cd5d8ee82026-06-07 21:10:28 +0200Martin SjölundTpl: iterate token lists in iterSeparatorString/iterAlignWrapString (#15770)

3rdParty changes

Note that the 3rdParty libraries changed: dfc66f9ee9ab..8780bcb40e3a

OpenModelicaLibraryTesting Changes

CommitDateAuthorSummary
12a01782026-06-06 12:43:09 +0200Adrian Popdrop v1.25 and add v1.27 (#286)
1dd4db72026-04-19 14:25:16 +0200Adrian Popforce fetch of tags to handle the floating tag 'nightly' (#285)

Library Changes

LibraryChange
Dynawo_devFrom version 1.8.0-master (d03e92947ddff6eca6ed54546f24d264e70a07ff) to 1.8.0-master (ba6b786ab12df2c348dafb24343314e303e03f01)
ThermofluidStream_devFrom version 1.3.0-main (e3d16756e40f7e716a7cb47718c28e857d17299d) to 1.3.0-main (b088265ef45fbeeda2bef25d12bacddb44018c17)

Models Affected

AixLibAixLib.Controls.HVACAgentBasedControl.Examples.BookTrading.NetworkCommunication2 (sim)Simulate performance 0:04:48 → 0:01:14
Dynawo_devDynawo.Examples.IEEE57.TestCases.IEEE57HvdcPsDisconnectLine (sim)Failed → Simulate
Modelica_DeviceDriversModelica_DeviceDrivers.Blocks.Examples.TestSerialPackager_UDPExternalTrigger (sim)Compile → Simulate
Modelica_DeviceDriversModelica_DeviceDrivers.Blocks.Examples.TestSerialPackager_UDPWithoutReceiveThread (sim)Simulate → Compile
ScalableTestGrids_nooptScalableTestGrids.Models.Type1.Type1_N_8_M_4 (sim)Simulate performance 16.29 → 51.14
ScalableTestGrids_nooptScalableTestGrids.Models.Type2.Type2_noTap___N_6_M_4 (sim)Simulate performance 12.13 → 28.36
ScalableTestGrids_nooptScalableTestGrids.Models.Type2.Type2_tapNoEv_N_6_M_4 (sim)Simulate performance 12.27 → 32.78
ScalableTestSuiteScalableTestSuite.Elementary.SimpleODE.ScaledExperiments.CascadedFirstOrder_N_25600 (sim)Simulate performance 9.45 → 27.11
ThermoPowerThermoPower.Examples.HRB.Simulators.OpenLoopSimulatorHtc (sim)Templates → Compile
ThermoPower_4.0.0-devThermoPower.Examples.HRB.Simulators.OpenLoopSimulatorHtc (sim)Templates → Compile
ThermofluidStream_devThermofluidStream.HeatExchangers.Tests.Condenser (sim)Simulate performance 20.78 → 6.99
ThermofluidStream_devThermofluidStream.Topology.Tests.TestDynamicTopology (sim)Verify → Failed