Unreal Engine Issues
Unreal Engine Issues
Occasional crash when attempting to in-app purchase on Android device
UE - Online - Apr 21, 2021App is frequently terminated with a NullPointerException when attempt to request in-app purchase. It is assumed that product information cannot be retrieved if there is no Google account logged in t ...
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 ...
Bright 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 ...
[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 ...
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 ...
Cannot click the create new project button on a monitor with 1366 x 768 resolution
Tools - Sep 17, 2015If a user has a 1366 by 768 monitor resolution and uses the File > Create New project option, then the user will not be able to click the green button at the bottom of the window that actually allow ...
Landscape Layer blend node inconsistency
UE - LD & Modeling - Terrain - Landscape - Mar 24, 2015When the landscape has no textures the landscape layer blend material node will render as the first layer. When painting only holes onto the landscape, the landscape will have a layer texture but st ...