OpenModelica v1.26 from 2026-03-11 01:44:09 to 2026-03-11 12:15:03

Summary

OMC Commits0
Libraries Changed1
Number of Improvements0
Number of Regressions2
Number of Performance Improvements5
Number of Performance Regressions0

OpenModelica Changes

CommitDateAuthorSummary

OpenModelicaLibraryTesting Changes

CommitDateAuthorSummary
5cb39182026-03-10 09:38:19 +0100linuslangenkampreplace Radau IIA with ESDIRK4 (#275)
3cc869b2026-03-06 17:57:30 +0100Adrian Popdisable 1.24 and add 1.26 (#274)

Library Changes

LibraryChange
Buildings_latestFrom version 13.0.0-master (https://github.com/lbl-srg/modelica-buildings/archive/0ec548df5a10f1458e0f8a06b04d272e90616334.zip) to 13.0.0-master (https://github.com/lbl-srg/modelica-buildings/archive/b45ef02a949be99a1a975e2ae7c7dc3651944c00.zip)

Models Affected

Buildings_latestBuildings.Examples.Tutorial.SimpleHouse.SimpleHouse6 (sim)Verify → Simulate
Buildings_latestBuildings.Examples.VAVReheat.Validation.TraceSubstance (sim)Simulate performance 0:03:21 → 0:01:24
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case600 (sim)Simulate performance 0:02:48 → 52.44
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case640 (sim)Simulate performance 0:02:57 → 59.83
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case660 (sim)Simulate performance 0:01:49 → 51.76
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case685 (sim)Simulate performance 0:02:35 → 52.72
Buildings_latestBuildings.ThermalZones.EnergyPlus_24_2_0.Validation.ZoneSurface.OneZoneConstantFloorTemperature (sim)Verify → Simulate