Unreal Engine Issues
Unreal Engine Issues
Editor crash in HairStrandsMeshProjection.cpp when spawning actor with Groom Component bound to skeletal mesh
UE - Gameplay Features - Character - Mar 23, 2026The editor crashes with an assertion failure when placing a Blueprint actor that contains a Groom Component bound to a MetaHuman skeletal mesh. The crash occurs in AddHairStrandInitMeshSamplesPass d ...
TRACKS: Modifying an animated actor with no keys doesn't update the defaults.
UE - Anim - Sequencer - Feb 24, 2016When modifying the transform or properties of an animated object with no keys, the default values for the animation tracks should be updated. ...
Crash when visualizing DOF Layers
UE - Rendering - Features - Mar 30, 2022I managed to reproduce this crash either using CineCameraActors or CameraActors, with a variety of DOF settings. It seems that piloting the camera and having any kind of DOF active on the camera wil ...
Change in bitfield in a USTRUCT fails to replicate to clients
UE - Networking - Jun 23, 2015In the sample project provided on UDN, the server changes a bitfield value but the change fails to replicate to the client. ...
Crash Typing Special Characters using US-International-PC keyboard in MacOS:10.10.4
UE - Platform - Apple - Aug 17, 2015Typing Special Characters using US-International-PC keyboard in MacOS:10.10.4 causes the editor to crash. ...
KiteDemo: Bookmark 1 - bird visuals and audio missing
Docs - Samples - May 3, 2017While testing KiteDemo for 4.16 Sample Pass – //UE4/Release-4.16 CL 3420042 in Binary – I found that aside from the incredibly low FPS, some of the Bookmarked camera locations have issues. In the fi ...
Sequencer events with a payload of struct containing Object do not work
zComponent - Archive - Dec 12, 2024A structure containing Object as a parameter is misrecognized as a single Object and loses the parameter. This behavior was brought in by CL-27785664. ...
Some features in the Post Process have stopped working in this instance
UE - Graphics Features - Feb 6, 2015Post processing has stopped working for the majority of features in the settings. attached: Project download: [Link Removed] ...
HZB occlusion is broken on Instanced Stereo
UE - Platform - XR - Oct 2, 2025Other engine features requiring HZB data (such as per-instance GPU LOD selection occlusion culling or light grid culling) are also impacted regardless of whether r.HZBOcclusion is enabled. ...
Loss in Specularity on Skin Shading when Shadowed by Indirect Capsule Shadows using r.sss.checkerboard 0
UE - Graphics Features - May 23, 2017A licensee is reporting incorrect or over exaggerated loss of specularity on the Subsurface skin shading model when shadowed by indirect capsule shadows, and then modifying the r.sss.checkerboard se ...