Unreal Engine Issues
Unreal Engine Issues
Welding doesn't work until the first time the actor simulates
UE - Simulation - Core - Aug 2, 2023VCAM 2.0 - No signal on iPad from Mac OSX
UE - Virtual Production - Tools - Virtual Camera - Jul 19, 2021UDN case link with this ticket [Link Removed] ...
HZB occlusion is broken on Instanced Stereo
UE - Platform - XR - Oct 2, 2025Other engine features requiring HZB data (such as per-instance GPU LOD selection occlusion culling or light grid culling) are also impacted regardless of whether r.HZBOcclusion is enabled. ...
Mobile VR Rendering Freeze with World Composition
UE - Platform - XR - Oct 17, 2018Rendering freezes on Oculus mobile with World Composition. ...
Crash occurs when typing 'Debug Crash' in console
UE - QA - Training - Feb 10, 2022Once UE is launched and console is accessed, typing down 'Debug Crash' will close the engine and open the Crash Reporter window. 'Debug Crash' is not a recognized command from the list.REGRESION: No ...
AEditorFunctionalTest causes assert in WP map
UE - World Creation - Worldbuilding Tools - World Partition - May 9, 2022"Assertion failed: Pair != nullptr " when trying to create a basic test with AEditorFunctionalTest in a WP map. ...
Deleting folders in the Content Browser will not delete them permanently from Project Folder
UE - Editor - Content Pipeline - Content Browser - Mar 13, 2015If you delete a folder from the Content browser that is in the Starter content, The folder will reappear if you reopen the project. The only way to delete them would be from Windows Explorer. I als ...
References to recompiled Blueprint CDOs that exist outside of the immediate class hierarchy are not being replaced during compilation.
UE - Gameplay - Blueprint Compiler - Feb 24, 2022Currently, the Blueprint compiler will only update references to a reinstanced CDO/archetype object if it falls within the immediate hierarchy of the Blueprint class type OR if it's a component temp ...
Dithered LOD Transitions not Rendering Correctly on iOS with Use Landscape Lightmap feature and Foliage
UE - Platform - Mobile - Jun 21, 2016Dithering appears aggressive and has a screen door-like effect when using the new Landscape Lightmap in combination with Foliage LOD changes. Owen Stupka attempted to reproduce the issue on his iPa ...
Instanced subobjects are not always instantiated as expected.
UE - Gameplay - Blueprint - Aug 13, 2015Instantiation of subobjects does not behave as expected when using the DefaultToInstanced UCLASS specifier. The licensee that reported the issue provided a sample project with some ensures added whe ...