Unreal Engine Issues
Unreal Engine Issues
Niagara Scalability Crash When Processing Significance
UE - Niagara - Jun 4, 2025Method FNiagaraScalabilityManager::ProcessSignificance() iterates on indices from Context.SignificanceIndices and uses them to access the State and ManagedComponents arrays. It can then decide to cr ...
Opening Persona causes editor to crash on Linux
UE - Platform - Linux - Nov 17, 2016Attempting to open a skeletal mesh or animation in Persona causes the editor to crash. Regression: Yes Working: 4.13.2 - CL 3172292 Broken: 4.14.0 - CL 3195953 ...
Setting the sequence of a Level Sequence Actor after playing a sequence with an event will crash if played
UE - Anim - Sequencer - Mar 9, 2023The editor crashes trying to find an event on the other level sequence when playing back the new one. ...
Ensures for Pixel and Vertex Shaders occur when running TM-ShaderModels with -onethread
UE - Graphics Features - Jan 20, 2017Two ensures fire when opening the TM-ShaderModels Map in QAGame with the -onethread argument. The callstacks look identical with the exception that one is for a pixel shader and the other is for a v ...
Nativized packaging fails when attaching paper Flipbook component to a parent paper Flipbook component that is Inherited.
UE - Gameplay - Blueprint - Jan 8, 2019Nativized packaging fails when attaching paper Flipbook component to a parent paper Flipbook component that is Inherited. ...
[CrashReport] UE4Editor_CoreUObject!FWeakObjectPtr::Get() [weakobjectptr.cpp:81]
UE - LD & Modeling - Terrain - Landscape - Nov 2, 2017This is a trending crash coming out of the 4.18 release. It may be a regression. Users have not provided any descriptions of their actions when the crash occurred. Source Context 66 if (!S ...
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 ...