Unreal Engine Issues
Unreal Engine Issues
Import path is not updated when re-importing assets from another source path by drag and drop
UE - Editor - Content Pipeline - Import and Export - Mar 13, 2023The reimport process does not respect the new source path. Below is a workaround. UE::Interchange::FAssetImportResultRef FReimportManager::ReimportAsync(UObject* Obj, bool bAskForNewFileIfMissing, ...
Material param reset bug on landscape
UE - Graphics Tools - Terrain - Landscape - Oct 25, 2023From licensee:When a material instance is applied to a landscape in a scene and the user resets param in that material instance, that edit is not applied to rendered landscape (while it is if the ma ...
Anamorphic Squeeze Factor causes a blocky Depth of Field issue on AMD Hardware
UE - Graphics Features - Jul 30, 2025When using the Anamorphic Squeeze Factor on a camera on AMD RDNA3 and RDNA4 hardware, blocking artefacts may be seen depending on the extent of the blur. The peripheries of the viewport appear to be ...
Editor crash when switching between levels in the content browser
Tools - Aug 26, 2015Switch between levels in the content browser caused a crash while loading the level. Project On Google Drive: [Link Removed] ...
One-time crash editing color value of a Linear Color variable
Tools - Nov 7, 2016One-time crash occurred when changing the color value in the Color Picker for a variable. So far I have not been able to reproduce this issue again. ...
Crash when adding a Material Layer with a MaterialFunctionCall node to a Material Instance
UE - Graphics Features - Mar 30, 2021Adding a Material Layer to a Material Instance that has a Material Function Call node connected to the Set Material Attributes node causes the editor to crash. I tested a Material Layer without the ...
Crash running construction script after compiling BP function library
UE - Gameplay - Blueprint - Sep 15, 2020Editor can assert when changing the signature of an editor authored Blueprint Library Function (FuncA) if that function is called from a Blueprint Library Function (FuncB) via an actor's constructio ...
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 ...
Crash Occurs When Renaming Folder in Landscape Mountains Project
Tools - Jun 23, 2016Changing the name of a newly-created folder that contains a few copies of the same map causes a crash in the Landscape Mountains project. This crash did not occur in a clean First Person project wh ...
Landscape DFAO shadowing artifacts in Standalone and packaged
UE - Graphics Features - Oct 25, 2016The Heightfield from DFAO when playing in Standalone or a packaged game has darkened shadow artifacts for the level. Workaround: Use r.AOGlobalDistanceField 0 to disable the Global Distance Field. ...