Unreal Engine Issues
Unreal Engine Issues
Nvidia DLSS plugin causing crash in PIE
UE - Graphics Features - Feb 10, 2023The editor is crashing with the 5.1 Nvidia DLSS plugin enabled after performing PIE. This issue is occurring in Binary //UE5/Release-5.1 at CL 23901901 This issue is NOT occurring in Binary //UE5/ ...
Improper clipping in children of a retainer widget
UE - Editor - UI Systems - Slate - Jan 21, 2025Children of retainer widgets have improper clipping, causing any widgets set to "Clip to Bounds" to clip incorrectly. This may also affect hit testing in cases where multiple retainer widgets are ne ...
Seam visible when using a material with BumpOffset on a Nanite mesh
UE - Graphics Features - Nanite - Sep 18, 2025When a material that uses BumpOffset is fed into the Emissive Color of Surface Opaque Default Lit material and then applied to a nanite mesh, a visible seam can be seen along edges and the intersect ...
Uasset causes editor to crash when opened/right clicked
UE - Gameplay - Blueprint - Oct 21, 2014Character asset will crash the editor immediately when opened or right clicked. Crash Report: 431837 ...
Crash when loading array of UStructs containing Instanced property
UE - Gameplay - Blueprint - Jan 26, 2022The editor crashes with a failed assertion when opening a blueprint actor that contains a structure with instanced objects. ...
Ensure clicking on the floor mesh in Anim Blueprint preview
OLD - Anim - Jan 18, 2017REGRESSION No, occurs in 4.14.3 Ensure occurs if the user clicks on the floor mesh in the Animation Blueprint viewport. ...
Mobile VR - Foliage (HISM) crash
UE - Platform - XR - Jun 7, 2019HISMs cause mobile VR app to crash. Confirmed in 4.23 MAIN @ CL 6829265 ...
Matinee tracks do not override Sound Notifies from AnimToPlay when using "Initial Position"
Tools - Oct 22, 2015In the attached project, there is an animation (with a sound notify) plugged into the AnimToPlay slot. The Initial Position is set to 0.5. The matinee in the scene overrides the animations applied ...
[OPENGL]: Enable Subsurface Scattering
Tools - Jun 29, 2015Subsurface scattering is disabled on all OpenGL platforms despite the shaders being properly translated & OpenGL platforms supporting the relevant CPU-side APIs. This also affected Metal for the WWD ...
Cannot click send in CrashReportClient on Mac
UE - Foundation - Core - CrashReportClient - Oct 24, 2016The CrashReportClient does not allow the send buttons to be clicked on a Mac. The client works fine on Windows. This works in 4.13.2. Works in: 4.13.2 - 3167898 Broken in: 4.14.0 - 3171634 WORKA ...