OpenModelica v1.26-fmi-fmpy from 2026-05-24 01:25:57 to 2026-05-31 10:03:01

Summary

OMC Commits1
Libraries Changed4
Number of Improvements0
Number of Regressions11
Number of Performance Improvements2
Number of Performance Regressions0

OpenModelica Changes

CommitDateAuthorSummary
e74480f2d02026-05-30 19:59:39 +0200Adrian PopFix #15649 with help of Claude Code - for maintenance/v1.26 branch (#15669)

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_11From version 11.1.2-maint.11.x (https://github.com/lbl-srg/modelica-buildings/archive/b736863a00be5f4c6497376c1bc4ee1913d15f97.zip) FMPy version 0.3.29 to 11.1.2-maint.11.x (https://github.com/lbl-srg/modelica-buildings/archive/0da762f99a9aaa59cab510be1d60a85485ef5cf1.zip) FMPy version 0.3.29
Buildings_12From version 12.1.2-maint.12.x (https://github.com/lbl-srg/modelica-buildings/archive/a354d677731a6d6925e914220a3843f2e5351ce6.zip) FMPy version 0.3.29 to 12.1.2-maint.12.x (https://github.com/lbl-srg/modelica-buildings/archive/5e5b3017c79762ce3c412d59bb643fe55641fc40.zip) FMPy version 0.3.29
Buildings_latestFrom version 13.0.1-master (https://github.com/lbl-srg/modelica-buildings/archive/12b7da357e27c7fb037eb4ec6fcd3e8c07f643b6.zip) FMPy version 0.3.29 to 13.0.1-master (https://github.com/lbl-srg/modelica-buildings/archive/686c2dcea679e1f85361071afec5aa10f5b78f6b.zip) FMPy version 0.3.29
SOFCPoliMiFrom version master (85098e6eef87802fc5a24ea56db0d6a6ccadbb38) FMPy version 0.3.29 to master (9f746df73206c265b72aebf7e70a207534b3e4ce) FMPy version 0.3.29

Models Affected

Buildings_11Buildings.Examples.VAVReheat.ASHRAE2006 (sim)Compile → Failed
Buildings_12Buildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)Simulate performance 0:07:02 → 1.21
Buildings_latestBuildings.Examples.VAVReheat.ASHRAE2006 (sim)Compile → Failed
Modelica_4.0.0Modelica.Electrical.Spice3.Examples.Spice3BenchmarkFourBitBinaryAdder (sim)Verify → Failed
SOFCPoliMiSOFCPoliMi.Tests.BenchmarkCammarata (sim)Compile → Failed
SOFCPoliMiSOFCPoliMi.Tests.BenchmarkCammarataIndex1 (sim)Compile → Failed
SOFCPoliMiSOFCPoliMi.Tests.BenchmarkLinConcLosses (sim)Compile → Failed
SOFCPoliMiSOFCPoliMi.Tests.BenchmarkLinConcLossesHigherCurrent (sim)Compile → Failed
SOFCPoliMiSOFCPoliMi.Tests.BenchmarkNonLinConcLosses (sim)Compile → Failed
SOFCPoliMiSOFCPoliMi.Tests.BenchmarkNonLinConcLossesHigherPorosity (sim)Compile → Failed
SOFCPoliMiSOFCPoliMi.Tests.BenchmarkSalogniColonnaIEA (sim)Compile → Failed
ScalableTestSuiteScalableTestSuite.Elementary.Tables.ScaledExperiments.CombiTimeTable_N_8000 (sim)Verify → Failed
ScalableTestSuite_nooptScalableTestSuite.Elementary.SimpleODE.ScaledExperiments.CascadedFirstOrder_N_25600 (sim)Simulate performance 38.55 → 12.50