OpenModelica v1.26 from 2026-05-28 00:31:38 to 2026-05-28 16:09:23

Summary

OMC Commits	0
Libraries Changed	2
Number of Improvements	2
Number of Regressions	1
Number of Performance Improvements	0
Number of Performance Regressions	1

OpenModelica Changes

Commit	Date	Author	Summary

OpenModelicaLibraryTesting Changes

Commit	Date	Author	Summary
1dd4db7	2026-04-19 14:25:16 +0200	Adrian Pop	force fetch of tags to handle the floating tag 'nightly' (#285)
e83c3f4	2026-04-14 08:15:53 +0200	Adrian Pop	cannot run python -m fmpy via check_output_log (#284)

Library Changes

Library	Change
Buildings_12	From version 12.1.2-maint.12.x (https://github.com/lbl-srg/modelica-buildings/archive/a354d677731a6d6925e914220a3843f2e5351ce6.zip) to 12.1.2-maint.12.x (https://github.com/lbl-srg/modelica-buildings/archive/5e5b3017c79762ce3c412d59bb643fe55641fc40.zip)
Buildings_latest	From version 13.0.1-master (https://github.com/lbl-srg/modelica-buildings/archive/12b7da357e27c7fb037eb4ec6fcd3e8c07f643b6.zip) to 13.0.1-master (https://github.com/lbl-srg/modelica-buildings/archive/686c2dcea679e1f85361071afec5aa10f5b78f6b.zip)

Models Affected

Buildings_12	Buildings.DHC.ETS.Combined.Examples.ChillerBorefield (sim)	Simulate → Compile
Buildings_12	Buildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)	Simulate performance 0.17 → 0:06:40
Buildings_latest	Buildings.ThermalZones.EnergyPlus_24_2_0.Validation.MultipleBuildings.TwoIdenticalOneZoneBuildings (sim)	Compile → Verify
Buildings_latest	Buildings.ThermalZones.EnergyPlus_24_2_0.Validation.MultipleBuildings.TwoIdenticalTwoZoneBuildings (sim)	Compile → Verify