Running the demostop command within GameMode :: OnLogout crashes the process

UE - Networking - May 18, 2018

amendment void APlayerController::OnNetCleanup(UNetConnection* Connection) { UWorld* World = GetWorld(); // destroy the PC that was waiting for a swap, if it exists if (World != NULL) ...

'Set Timer by Function Name' not able to call functions that return an Output Parameter

UE - Gameplay - Jul 16, 2018

When using a 'Set Timer by Function Name' node with a Function that has an Output parameter it will fail at executing the Function. If the Function is called with an Event BeginPlay node it will fu ...

Instance UObjects in an array on an Actor replaced by pointers to other objects in array while PIE

UE - Gameplay - Blueprint Runtime - Sep 20, 2018

When this issue occurs printing out the addresses of each item in the array shows that elements 2 and 3 have the same address, so for some reason the second element's value is being overridden by th ...

CustomDepth rendering incorrectly with Instanced Stereo

UE - Platform - XR - Apr 9, 2019

Screen position node in 4.22 no longer works as expected. Confirmed in 4.23 Main @ CL 5806859 ...

AspectRatioAxisConstraint forced to be AspectRatio_MaintainXFOV

UE - Anim - Sequencer - Jun 19, 2019

A licensee wants to enforce YFov constraint for a game project by setting AspectRatioAxisConstraint=AspectRatio_MaintainYFOV in the config. However during playing the sequence, the value of AspectR ...

Weighted Tangent not functioning in Curve Asset

UE - Anim - Sequencer - Feb 18, 2020

Weighted Tangent handle modifications do not work as expected in Curve Assets. ...

Weird reflection pixels of translucent objects with Ray Tracing Reflection

UE - Graphics Features - Lumen - Jul 15, 2020

[Image Removed] ...

Duplicate linked anim layer interfaces cannot be added to an anim BP

UE - Anim - Runtime - Anim Blueprints - Mar 1, 2021

Duplicated anim layer interfaces cannot be added to the same anim BP. While UEdGraph::GraphGuid is unique within a bluprint, it is not unique within the project as a whole (see [Link Removed] for m ...

Bound component functions in a child can incorrectly override parent binding

UE - Gameplay - Blueprint Editor - Mar 16, 2021

The way in which component (and actor) events are named can result in bindings in a parent for a different event overriding the binding in a parent. ...

GeometryCaches don't implement CreateHitProxies to create a unique hitproxy per section/material

UE - Editor - Content Pipeline - Datasmith - Sep 3, 2021

This causes the ObjectId pass in MRQ to fail to distinguish between materials in the resulting Cryptomatte file. It looks like FGeometryCacheSceneProxy doesn't implement CreateHitProxies so it's f ...