Unreal Engine Issues
Unreal Engine Issues
Lightmass crash after finished building and hitting save
UE - Foundation - Core - Mar 19, 2015User is reporting that the editor will crash after lightmass has finished building and they click to save the project. ...
Horde server fails to build Docker image
UE - UCS - Horde - Apr 1, 2025If you attempt to build the Horde server Docker image right now it fails unless you have some of the layers cached or a nuget proxy/cache that has cached some packages. JetBrains have renamed their ...
ParticlePosition doesn't use Previous values
UE - Niagara - Jan 9, 2024FHLSLMaterialTranslator::ParticlePosition does not return Previous information when request which can result in bad motion vector calculation. ...
Crash on draw material to rendertarget
UE - Graphics Features - May 5, 2017This crash has started occurring in 4.15.2. It seems to be a regression from 4.15.1. ...
CLONE - Crash on draw material to rendertarget
UE - Graphics Features - May 19, 2017This crash has started occurring in 4.15.2. It seems to be a regression from 4.15.1. ...
Utility functions in UEdGraph_ReferenceViewer are no longer exposed
UE - Editor - Content Pipeline - Content Browser - Oct 29, 2018A number of utility functions are provided in UEdGraph_ReferenceViewer for building menu extenders. This class was originally included in the engine as part of the ReferenceViewer module, but was re ...
Rolling ball physics bounces on flat landscape with low fps
UE - Simulation - Physics - Apr 21, 2015It's been reported that using the rolling ball physics on a flat landscape will cause the rolling ball to bounce when it crosses a seam. It does not happen on every single seam, but it happens prett ...
Mover MoveDirectionIntent can be 0 due to interpolation
UE - Runtime - Character - Apr 22, 2025If two states have MoveDirectionIntent vectors that are opposite to each other, interpolating between these states can result in MoveDirectionIntent being 0. This may cause issues for animation blue ...
Rendering Movie from Matinee freezes Instance of Editor
UE - Anim - Sequencer - Nov 19, 2015It looks like the Output Folder definition in the Render Movie option of Matinee is causing an issue when trying to capture Movie, if changed to a shorter file path (Desktop as opposed to Users[User ...