Unreal Engine Issues
Unreal Engine Issues
Material Layers Ignore Virtual Texture Sampler Restrictions
UE - Rendering Architecture - Mar 25, 2024Virtual Textures can be assigned to Texture Sample Parameters that are not configured for Virtual Textures, if that parameter is inside of a Material Layer. Also found in Release-5.4, CL 32426910 ...
Translucency area has stripe-style issue on TSR
UE - Graphics Features - Mar 28, 2024The TSR History Rejection buffer develops a grid-like artifact over translucent, camera-facing planes. ...
When a Niagara User Parameter is renamed, mesh bindings on Niagara Mesh Renderers are not updated, and the binding is silently broken
UE - Niagara - Mar 13, 2025In Niagara, Mesh Renderers expose a "Meshes" array for selecting the meshes to be rendered. On each array entry, a property "Mesh Parameter Binding" is available and allows the user to override that ...
Editor Preferences 'Enable Sound' option causes Real Time Audio to Stop Working after PIE
UE - Audio - Sep 28, 2016Real Time Audio stops playing sounds after exiting PIE with the 'Enable Sound' option disabled. The tooltip states, "Whether to play sounds while in a Play in Editor session." This setting does no ...
Get bounds node for the Steam VR Component Does not appear to return the actual bounds
UE - Platform - XR - Apr 11, 2016[NickW] This needs to pull the Play Bounds from Vive. The old soft / hard bounds system appears to be partially deprecated The Get bounds node does not appear to return the correct in game chaper ...
Inclusive Nativized Blueprints slower than Non Nativized Blueprints in packaged project
UE - Gameplay - Jul 1, 2019When nativizing blueprints the packaged build of the project runs slower than a non-nativized version of the packaged project. Found in 4.22 CL#7053642 Reproduced in 4.21 CL#4753647, 4.24Main CL#7 ...
When copying category properties, all the EditConst flags are not checked. This overrides variables that should not be written.
UE - Editor - Workflow Systems - Mar 12, 2024If you create two actors that have the same structure of variables in a category, and you try to copy the category variables of one actor into the other, variables that have ReadOnly/EditConst speci ...
Deleting the code files for a custom component from a project will result in an Engine crash when trying to open any Blueprint using that component.
UE - Gameplay - Blueprint - Feb 20, 2015Adding a custom component to a Blueprint and then deleting the code class defining that custom component from the project will crash the Editor any time you try to open a Blueprint containing that c ...
Projects with "TargetPlatform" set as a dependency cannot be packaged to Windows 64-bit if the project is made using the binary version of the Editor..
UE - Foundation - Core - Apr 10, 2015Including "TargetPlatform" as a private dependency of a code project created using the binary version of the Engine prevents the Editor from being able to package the project for Win64. Removing the ...
Lumen indirect lighting artifacts when far from world origin
UE - Graphics Features - Lumen - Feb 6, 2024Lumen seems to not be using Large World Coordinates somewhere. The Lumen Scene develops artifacts at large distances (5000 KM) from the world origin. ...