Unreal Engine Issues
Unreal Engine Issues
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Foliage HLODs don't respect "Disallow Nanite"
UE - World Creation - Worldbuilding Tools - HLODWe have a level with foliage meshes that has been placed via the foliage system. We want to place these into HLOD Layers so that we can disabl...
Compiling any material in UE 5.5.1 without ShaderCompiler JobCache results in a crash
UE - Rendering Architecture - ShadersCompiling any material with r.ShaderCompiler.JobCache=0 causes ShaderCompileWorker to crash. Reproduction steps cause a crash during Editor st...
Editor.Plugins.Tools.Modeling.EditorMode.ExtrudePolygons.* test cases fail in headless mode due to stylus error log.
UE - Content Tools - Modeling ToolsHello! In UE 5.5 Preview, new stylus code was introduced, which can cause a test failure in an unrelated test suite, Editor.Plugins.Tools.Mod...
Visual Logger Timeline is not updated when Viewport is in fullscreen
UE - AI - DebuggingContext The Visual Logger is a powerful debugging tool to create and record visual representations, and allows people to review the data. Pr...
ARKit - Handheld AR Template Experiences Periodic Hitches when Quick Launched
UE - Platform - MobileReproduced 3/3 times. Regression testing in progress. Issue was reproduced on both Windows and MacOS launching onto iOS. Issue does not repro...
Editor.Plugins.Tools.Modeling.EditorMode.ExtrudePolygons.* test cases fail in headless mode due to stylus error log.
UE - Content Tools - Modeling ToolsHello! In UE 5.5 Preview, new stylus code was introduced, which can cause a test failure in an unrelated test suite, Editor.Plugins.Tools.Mod...
UserSceneTexture Post Process Material Renders Incorrectly When ScreenPercentage is Below 100
UE - Graphics FeaturesWhen using a UserSceneTexture in a post-process material, a visible rendering issue occurs if the viewport's ScreenPercentage is set to below ...
UV Rotation does not work for video materials
TM - RenderingThe rotation parameter of video materials does not function in Twinmotion 2024.1.2 and Twinmotion 2025.1 PR. Adjusting the slider does not ha...
ARKit - Handheld AR Template Experiences Periodic Hitches when Quick Launched
UE - Platform - MobileReproduced 3/3 times. Regression testing in progress. Issue was reproduced on both Windows and MacOS launching onto iOS. Issue does not repro...
Building Geometry Stops UTickableWorldSubsystem Ticking
UE - Content ToolsCan be mitigated by reopening the Level. There is a repro project provided by the licensee on the case ticket....