Unreal Engine Issues
Unreal Engine Issues
When setting in PreviewGameLaunguage, the package application always adds "culture" to the argument
UE - AI Workflows - UI Systems - Localization - Nov 12, 2020Whenever packaging project from Launcher with a PreviewGameLanguage set, the culture="preview language" is added to the UE4CommandLine.txt file. Can avoid this issue by setting "None" in PreviewGam ...
Shadows can appear interrupted
UE - Graphics Features - May 28, 2021Screenshots of the issue are attached. Shadows can appear interrupted and cut off in UE5 Early Access This issue is occurring in //UE5/Release-5.0-EarlyAccess Binary CL 16433597 This issue is NOT o ...
Duplicate actions appear in the Blueprint graph right-click menu for AddComponent node actions when "Context Sensitive" is checked.
UE - Gameplay - Blueprint Editor - Nov 23, 2022When the "Context Sensitive" option is checked, there is a duplicate menu item that appears in the Blueprint graph's right-click context menu for every "Add Component" menu action. Unchecking "Cont ...
Mass Entity Config not displaying or accepting drag and dropped State Tree assets
UE - Engine Scaling - Mass - Nov 23, 2022This is not a regression. Tested in //UE5/Release-5.0 CL20979098 Mass Entity Config not displaying or accepting drag and dropped State Tree assets. The only clear way to assign a State Tree is by c ...
SceneCapture2D Render Targets do not retain Alpha when in Rendering Preview for Vulkan and ES3.1
UE - Platform - Mobile - Dec 12, 2022Regression: This issue does not occur in Release-5.0, so this is a regression The widget completely obscures the screen only when switching Preview Rendering modes without looking at the create Blu ...
Ray Tracing Translucency in a Post Process Volume breaks in Lit viewmode
UE - Graphics Features - Ray Tracing - Apr 15, 2024Encountered a strange issue where switching to RT Translucency on a PPV would cause it to appear incorrect. However, if you swap the viewmode to Path Tracing, it does appear correct. See screenshots ...
Lumen Reflections in Stereo are broken after Nvidia GPU Driver Update
UE - Platform - XR - Jul 29, 2024After updating the NVidia graphics driver to v.552.74+, reflective/mirror materials appear broken and render with black and white lines in VR mode if they are in a level with a Post Process Volume w ...
GetStaticComponentMaskParameterValue returns the value for Static Switch Parameter
UE - Rendering - Architecture - Materials - Apr 24, 2026UMaterialInterface::GetStaticComponentMaskParameterValue gets the parameter value from the static switch list instead of from the StaticComponentMask list GitHub branch 5.8 still looks to have this ...
Dragging the Translation Widget in Perspective Viewport on Mac in a second monitor does not translate the selected Actor
UE - Platform - Apple - Nov 11, 2014Dragging the Translation Widget in Perspective Viewport on Mac does not translate the selected Actor, and when dragging is released the cursor is moved to the top left corner of the Viewport. Happen ...
Scroll Bar does not Stay "Anchored" to Bottom While Data Generates in Window
Tools - Jun 6, 2016The scrollbar no longer remains anchored to the bottom of the Output Log while more lines are propagated during the packaging process/ Regression: this does not occur in previous versions of the En ...