If setting isActive of Camera's Spawn Track to false and binding the camera to Camera Cut Track, the player camera moves to an incorrect position after the sequencer finishes playing.

UE - Anim - Sequencer - Jun 16, 2020

If the binding itself registered in the camera cut is incorrect, the position of the camera after the sequencer ends becomes fraudulent. ...

User project crashes after changing struct

UE - Gameplay - Blueprint - Aug 10, 2017

PseudoVolumeTexture inverted on GL

UE - Platform - Mobile - Oct 16, 2018

UDN report: Hi, This is not really a question, but I just wanted to point something. It seems that the PseudoVolumeTexture method in common.ush is not working the same way between DirectX and Ope ...

Crash on project startup due to certain Skeletal Mesh being accessed

UE - Anim - Runtime - Jan 6, 2021

If you open the 6 assets that were close unexpectedly it will crashEnemy (Blueprint), Player_BP (Blueprint) and ThirdPersonGameMode (Blueprint) it crashesThe texture and Projectile_Base (Blueprint) ar ...

Impossible to reparent blueprint class that has a broken parent class when using compilation manager

UE - Gameplay - Blueprint Compiler - Dec 8, 2017

Alternatively use BP_ParentClassIsMissingType in QAGame ...

CachedLocalBounds is incorrectly updated

UE - Anim - Gameplay - Apr 19, 2019

USkeletalMeshComponent::CalcBounds updates CachedLocalBounds by transforming the world FBoxSphereBounds, by the WorldToLocal transform, which is not sufficient to calculate the bounds in local space ...

Animation import with "Force Front X Axis" is broken until a re-import

UE - Editor - Content Pipeline - Import and Export - Apr 24, 2019

Ambient cubemap lighting is chunking and pixelized

UE - Graphics Features - Sep 19, 2021

I notice in 4.27 there's a change looks like where the issue is from " * Cubemaps generated from .hdr long-lat sources were being strongly blurred in cases when mipmaps were enabled. This happened ...

[CrashReport] Assertion failed: TaskDataArray.Num() == Exporter->VolumetricLightmapTaskGuids.Num()

UE - Graphics Features - Lumen - Oct 2, 2017

This is a trending crash coming out of the 4.18 Previews. Users have not provided any descriptions of their actions when the crash occurred, but at least two of the affected projects are being creat ...

incorrect virtual texture shader code(in FinalizeVirtualTextureFeedback) on Mobile forward platform

UE - Graphics Features - Mar 15, 2021

in the function FinalizeVirtualTextureFeedback, the micro "USE_DBUFFER && MATERIALDECALRESPONSEMASK" returns true on mobile forward, while there is no DBUFFER on Mobile forward obviously. This takes ...