Unreal Engine Issues
Unreal Engine Issues
SceneCapture2d affects Niagara GPU particles with translucency sorting enabled
UE - Niagara - May 11, 2021The issue comes from sorting being abled while having a scene capture actor. The enclosed 7z contains assets relevant to reproducing the issue. ...
Crash at UAnimInstance::DisplayDebug() when a montage ends
UE - Anim - Runtime - Nov 8, 2022UDN case : [Link Removed] We are seeing a crash in UAnimInstance::DisplayDebug() at the following line: FString MontageEntry = FString::Printf(TEXT("%i) %s CurrSec: %s NextSec: %s W:%.2f DW:%.2f ...
Investigate render flush at SkeletalMeshComponent InitLODInfos
UE - Anim - Rigging - Apr 19, 2023From UDN : we are spawning a number of characters at the same time during the game, and seeing a major framerate hitch when we do so. After the characters have been spawned, we use SetSkinnedAssetA ...
Crash upgrading a UMG project
UE - Anim - Sequencer - Aug 16, 2017Bright mesh outlines using Temporal AA with Gaussian Blur DOF
UE - Graphics Features - Feb 17, 2017Since the last engine merge in FN Main, any mesh that silhouettes against DOF will produce a bright, halo like effect on the outside edge. The further away the background is from the silhouetted mes ...
Contact shadow has box artifacts with backlighting for two sided Subsurface shading model
UE - Graphics Features - Shadows - Nov 14, 2023See slack channel: [Link Removed] ...
[UDN-19505621] Hide Selected At Startup Issue
UE - Editor - Workflow Systems - Jun 10, 2025From [Link Removed]: 你好，我发现这里的选项有一些工作逻辑不一致，提一个改进建议： 当手动隐藏Actor小眼睛图标的时候，设置Hide Selected At Startup 是无效的，这具有很大的误导性，而其他任何情况下，工作都是正常的，比如： 1.小眼睛隐藏+Show All At Startup 2.小眼睛隐藏+Show Selected At Startup ...
dtNavMeshQuery::findNearestPoly uses hardcoded array size
UE - AI - May 18, 2015dtNavMeshQuery::findNearestPoly uses hardcoded array size which results in errors when search radius would require using more polygons then hardcoded the 128. ...
Crash in TMap struct deserializer
UE - Foundation - Core - Sep 20, 2016When deserializing a TMap<FString, FString> with the JsonStructDeserializer, the Engine crashes. ...
UWorld::RemoveFromWorld does not check Pointer Reference for null before use
UE - Gameplay - Dec 12, 2017The code in UWorld::RemoveFromWorld that removes Pawns that are about to be streamed out does not check to see if the pointer that it sets is null prior to using it. In cases where Pawns are rapidly ...