Unreal Engine Issues
Unreal Engine Issues
Creating FTickableObjectBase inherited class in async thread may cause pure virtual function call
UE - Framework - May 22, 2025Classes that inherit from FTickableObjectBase are added to the tickable queue by the QueueTickableObjectForAdd function during their construction (see FTickableGameObject::FTickableGameObject). At t ...
Material Function Input Displays Incorrect Data Type for Volume Texture, Static Bool, Material Attributes, and External
UE - Rendering - Architecture - Materials - Aug 20, 2018The material function Input Displays incorrect data type for Volume Texture, Static Bool, Material Attributes, and External. The function will still work properly however the type data is displayed ...
Outliner eye toggle fails to hide static meshes when Affect Indirect Lighting While Hidden is enabled
UE - Rendering Architecture - Nov 5, 2025When a static mesh has the property Affect Indirect Lighting While Hidden enabled, toggling its visibility via the Outliner eye icon does not hide the mesh in the editor viewport. The actor remains ...
Duplicated TextureLoadVirtualPageTable in GetCustomData functions in generated HLSL add to the total instruction count due to TextureLoad having side effects
UE - Rendering - Architecture - Materials - Dec 4, 2024When using materials with CustomData inputs, such as the Eye material with Iris Distance and Mask, Virtual Texture samples will increase the instruction count for each unique VTPageResult. Each cus ...
Virtual Scouting Interactor / VR Scouting Tools Menus appear Black when using real-world lighting values (i.e. 70k lux)
UE - Virtual Production - Tools - VR Scouting - Sep 27, 2021The Virtual Scouting tools appear black in scenes using real-world physical lighting values due to their UI Material Domain since they do not have an emissive channel and do not accommodate viewport ...
Attempting to override timeline function in child blueprint crashes editor
UE - Gameplay - Blueprint - Sep 24, 2015Attempting to override a timeline within a child blueprint causes the editor to crash. Frequency: 4/4 Crashreporter: [Link Removed] ...
Texture Streaming not Functioning as Expected
UE - Graphics Features - Oct 5, 2015There have been reports of users experiencing odd behavior with Texture Streaming in their projects. Comment from user reporting issue: "Texture memory is being eaten up... streaming not functionin ...
Crash running Cloth functional tests
UE - Simulation - Physics - Character - Apr 20, 2017Crash occurs when running the Cloth functional test map. ...
iOS Multiplayer Join Session does not function.
UE - Platform - Mobile - Aug 18, 2016iOS Game Center multiplayer create session does not function or crashes app. ...