Unreal Engine Issues
Unreal Engine Issues
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. ...
Reading LightAttenuationTexture Produces Unexpected Results With Forward Rendering
UE - Graphics Features - Jul 5, 2018The expected behavior occurs in 4.19; unexpected behavior occurs in 4.20 and 4.21. Marking this as a regression. Per User: Reading the LightAttenuationTexture in a material receives interference ...
changing maps while AudioCapture component is attached to player causes engine to hang.
UE - Audio - Jan 3, 2023Reproduced 3/3 times, issue does not occur in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression. A large amount of warnings are generated upon investigating project log. Here's a small e ...