Unreal Engine Issues
Unreal Engine Issues
Foliage Culling is Broken on Linux
UE - Platform - Linux - Apr 25, 2018When viewing foliage on Linux it culls in and out as the camera comes closer to it. Also changing the way it is rendered to become grey and transparent (and changing back to normal, perhaps dependin ...
AI MoveTo Blueprint node will zero velocity on Pawn when called, causing a freeze if the Pawn is already moving
UE - AI - Oct 4, 2016AI MoveTo Blueprint node will zero velocity, causing a stop when a new destination is set if the Pawn is currently moving. Regression: Yes Worked: 4.12.5 (CL 3039270) Broken: 4.13.1 (CL 3142249) F ...
PostRepNotifies may not always be called
UE - Networking - May 8, 2018FObjectReplicator::UpdateUnmappedObjects calls CallRepNotifies, but does not call PostRepNotifies. Further, the order of CallRepNotifies and PostNetReceive in FObjectReplicator::UpdateUnmappedObje ...
VisionOS deferred renderer regression
UE - Platform - XR - Sep 11, 2024Deferred desktop renderer does not function correctly on visionOS. It did work in 5.4. One problem is the r.XRMSAAMode setting forcing 4 samples even when not using msaa, but there are other probl ...
Horde server fails to build Docker image
UE - Foundation - Horde - Server - 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 ...
Rendering glitch when launching on Android
UE - Platform - Mobile - Aug 2, 2016https://answers.unrealengine.com/questions/462957/rendering-glitch-when-launching-on-android-ue413-p.html I was able to repro it on Nexus5 with Android 5.1.1. ...
Scene Capture Component "SetShowOnlyActors" no longer exposed to Blueprints
Tools - Aug 6, 2018SetShowOnlyActors of category Scene Capture Component is no longer exposed to Blueprints. Also missing in Main CL# 4247867 ...
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. ...
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 ...
Mover MoveDirectionIntent can be 0 due to interpolation
UE - Gameplay - Player Movement - 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 ...