Unreal Engine Issues

Vulkan crash on Android when suspending and resuming app

Spline Mesh regression on older iOS phone

Regression with rendering Spline Mesh Components seen on older (5s) iOS device. I did not reproduce a crash with an iPadPro A1701 or an Android Note 4 Confirmed in 4.23 MAIN at CL 6910902 ...

Crash when opening a blueprint that referenced a struct blueprint that no longer exists

If a user creates a struct blueprint then references it in another blueprint and then deletes the struct while the editor is closed, the referencing blueprint will crash when opened. ...

Project fails to package nativized const reference parameter

Overriding a BlueprintNativeEvent function with a const reference parameter in blueprints causes the project to fail to package if the blueprint is nativized. Note: This only occurs if the function ...

NVIDIA 5080 GPU Crash when launching City Sample with DX12

UPDATE This issue no longer reproduces on driver versions 580.88 and higher. City Sample game crashes immediately upon opening with a NVIDIA 5080 with the latest drivers as well as some previous dr ...

[CrashReport] UE4Editor_CoreUObject!FWeakObjectPtr::Get() [weakobjectptr.cpp:81]

This 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

App 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

The 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

UDN 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

From 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 ...