OpenModelica v1.26-fmi from 2026-05-17 10:56:39 to 2026-05-23 21:36:15

Summary

OMC Commits0
Libraries Changed1
Number of Improvements13
Number of Regressions0
Number of Performance Improvements1
Number of Performance Regressions0

OpenModelica Changes

CommitDateAuthorSummary

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_latestFrom version 13.0.1-master (https://github.com/lbl-srg/modelica-buildings/archive/75f83809fdc194c3cdde2f06e8fd32cea58acc1f.zip) warning: Failed to load settings: [json.exception.parse_error.101] parse error at line 3, column 2: syntax error while parsing value - invalid literal; last read: '"temp_AixLib_AixLib_Fluid_HeatPumps_Validation_ReciprocatingWaterToWater_Static_fmu"}_'; expected end of input OMSimulator v3.0.0.post139-g7930b1d-linux-debug info: 1 warnings info: 0 errors to 13.0.1-master (https://github.com/lbl-srg/modelica-buildings/archive/12b7da357e27c7fb037eb4ec6fcd3e8c07f643b6.zip) warning: Failed to load settings: [json.exception.parse_error.101] parse error at line 3, column 2: syntax error while parsing value - invalid literal; last read: '"temp_AixLib_AixLib_Fluid_HeatPumps_Validation_ReciprocatingWaterToWater_Static_fmu"}_'; expected end of input OMSimulator v3.0.0.post139-g7930b1d-linux-debug info: 1 warnings info: 0 errors

Models Affected

Buildings_latestBuildings.Air.Systems.SingleZone.VAV.Examples.Guideline36 (sim)Simulate → Verify
Buildings_latestBuildings.BoundaryConditions.WeatherData.Validation.ReaderTMY3WindDirection (sim)Simulate → Verify
Buildings_latestBuildings.Fluid.Sources.Examples.Outside_CpData (sim)Simulate → Verify
Buildings_latestBuildings.Fluid.Sources.Examples.Outside_CpData_Angles (sim)Simulate → Verify
Buildings_latestBuildings.Fluid.Sources.Examples.Outside_CpLowRise (sim)Simulate → Verify
Buildings_latestBuildings.ThermalZones.Detailed.Examples.FFD.ForcedConvection (sim)Simulate performance 22.51 → 3.68
Buildings_latestBuildings.ThermalZones.Detailed.Examples.FFD.NaturalConvectionWithControl (sim)Compile → Verify
Buildings_latestBuildings.ThermalZones.Detailed.Examples.FFD.RoomOnlyConstructionBoundary (sim)Compile → Verify
Buildings_latestBuildings.ThermalZones.Detailed.Examples.FFD.RoomOnlyExteriorWallNoWindow (sim)Compile → Verify
Buildings_latestBuildings.ThermalZones.Detailed.Examples.FFD.RoomOnlySurfaceBoundary (sim)Compile → Verify
Buildings_latestBuildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)Compile → Verify
Buildings_latestBuildings.ThermalZones.Detailed.Examples.FFD.Tutorial.NaturalConvection (sim)Compile → Verify
Buildings_latestBuildings.ThermalZones.Detailed.Examples.FFD.WindowWithShade (sim)Compile → Verify
Buildings_latestBuildings.ThermalZones.Detailed.Examples.FFD.WindowWithoutShade (sim)Compile → Simulate