OpenModelica v1.26 from 2026-04-27 12:09:01 to 2026-04-27 23:55:12

Summary

OMC Commits1
Libraries Changed0
Number of Improvements4
Number of Regressions5
Number of Performance Improvements4
Number of Performance Regressions1

OpenModelica Changes

CommitDateAuthorSummary
9d6af6ab622026-04-27 12:22:00 +0200Adrian Popfix for #15300 - filter on discrete variables (#15302) (#15429)

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

Models Affected

Buildings_11Buildings.DHC.ETS.Combined.Examples.ChillerBorefield (sim)Compile → Verify
Buildings_11Buildings.DHC.Examples.Combined.SeriesVariableFlowAgentControl (sim)Templates performance 10.11 → 5.52
Buildings_11Buildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)Simulate performance 0:06:40 → 0.18
Buildings_11Buildings.ThermalZones.EnergyPlus_9_6_0.Examples.SmallOffice.Guideline36Winter (sim)Compile → Simulate
Buildings_12Buildings.DHC.ETS.Combined.Examples.ChillerBorefield (sim)Compile → Simulate
Buildings_12Buildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)Simulate performance 0:06:40 → 0.17
Buildings_latestBuildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)Simulate performance 0.18 → 0:13:20
GreenhousesGreenhouses.Examples.GlobalSystem_1 (sim)Compile → FrontEnd
GreenhousesGreenhouses.Examples.GlobalSystem_2 (sim)Compile → FrontEnd
GreenhousesGreenhouses.Examples.Greenhouse_1 (sim)Compile → FrontEnd
GreenhousesGreenhouses.Examples.Greenhouse_2 (sim)Compile → FrontEnd
IDEAS_devIDEAS.Buildings.Components.BaseClasses.RadiativeHeatTransfer.Examples.ZoneLwDistribution (sim)Simulate → FrontEnd
ScalableTestGrids_nooptScalableTestGrids.Models.Type1.Type1_N_8_M_4 (sim)FrontEnd → Templates
ScalableTestSuite_nooptScalableTestSuite.Elementary.WhenEvents.ScaledExperiments.ManyEvents_N_4000_M_10 (sim)SimCode performance 35.22 → 20.37