Thare are some case in which KeepState doesn't work propely if level sequence have multiple Shot and Transform Tracks

UE - Anim - Sequencer - Feb 16, 2021

if fulfilling following conditions, KeepState setting of transform track doesn't work.level sequence have 3 or more shot have camera track and actor track have transform tracktransform track of acto ...

Nanite Landscape crash on save

UE - Graphics Tools - Terrain - Landscape - May 21, 2024

UDN description:When landscape is flagged as Nanite enabled but nanite mesh has not been built yet, a save operation (or an auto save) triggers a fatal failed check in ULandscapeNaniteComponent::Ini ...

Ray Traced Translucency causes artifacts when rotating a Static Mesh that is far away from center of the map

UE - Graphics Features - Jun 17, 2022

Tested in //UE4/Release-4.27 CL#18319896 Ray Traced Translucency causes artifacts when rotating a Static Mesh in the 'Open World' level when moved far away from the center of the map. The Artifacts ...

SetStaticMesh does not replicate

UE - Networking - Jun 2, 2015

Using OnRep_StaticMesh() in code or using the Set Static Mesh node does not replicate across server/client in game. ...

Crash: Direct3DDevice->CreateBuffer failed at D3D11VertexBuffer.cpp with error E_INVALIDARG

UE - Graphics Features - Jul 6, 2017

This is a common crash affecting users since at least the 4.14 release. It was previously associated with [Link Removed], however that has been marked as fixed. Source Context 221 void Veri ...

[CrashReport] UE4Editor_ClassViewer!TBaseMulticastDelegate<void>::RemoveDelegateInstance() [delegatesignatureimpl.inl:970]

Tools - Jul 14, 2017

This is a common crash affecting users on Windows and Linux. It also appears related to an older Mac crash ([Link Removed]). Users have not provided any new descriptions. Source Context 959 ...

[CrashReport] Crash trying to destroy an uber graph frame because the RawPointer is still set

UE - Gameplay - Blueprint - Jul 21, 2017

This is a trending crash in the 4.17 Preview. Users have not provided any descriptions of their actions when the crash occurred. Source Context 2408 uint8 *Data = (uint8*)Dest; 2409 ...

[CrashReport] UE4Editor_CoreUObject!FMemoryWriter::Serialize() [memorywriter.h:42]

UE - Foundation - Core - Jul 24, 2017

This is a common cook crash affecting users in 4.16. It is possibly the same issue as described in [Link Removed] for past engine versions. Source Context 33 virtual void Serialize(void* ...

"REFLECTION CAPTURES NEED TO BE REBUILT" is displayed on a cooked game.

UE - Graphics Features - Lumen - Jul 29, 2020

This issue occurs when streaming levels including reflection captures are displayed with  delay. When it finishes loading assets, reflection capture textures are uploaded to the GPU. Then the leve ...

Regression: "Play particle effect" anim notifies are not seen in the editor playing level sequence/matinee when Attached is set to false

UE - Graphics Features - Dec 21, 2017

Not Attached particle system is not seen in the viewport of the editor. This particle will be seen normally when PIE.  Regression? Yes. This issue is not reproduced in 4.17 version. You can simply ...