Duplicating functions doesn't reset the GUIDs of local variables.

UE - Gameplay - Jun 15, 2023

This is actually a bug with function duplication via UEdGraphSchema_K2::DuplicateGraph. After a function graph is duplicated, the function entry node still retains the same GUIDs for its local vari ...

HLOD fading reset after view reset

UE - World Creation - Worldbuilding Tools - HLOD - Jan 24, 2024

From licensee:When the player pawn teleports inside a structure that is a HLOD, the dithered HLOD fading transition is not properly reset so we can see it re-starting to fade, from the inside. Our ...

Sequencer causes 3DWidget on BP vectors to snap to Actor when active

UE - Anim - Sequencer - Nov 15, 2025

When we have Vectors in BP with Show 3D Widget enabled, the Transform Widget would always snap back to the Actor after we move the 3D Widget in-world. [Link Removed] Removing the _DaySequenceActor ...

DFAO in 4.9 has significant artifacts on some machines

UE - Graphics Features - Jul 30, 2015

Reported in this threadhttps://forums.unrealengine.com/showthread.php?78320-4-9-Horrible-DFAO-artifacts This looks to be a machine specific issue. I'd like to get some testing on different video c ...

Input Axis Continues to Fire After Standalone Window Loses Focus

UE - Editor - UI Systems - Slate - Feb 17, 2016

When using an input axis for a task such as moving a character, losing focus on the standalone window while holding the key does not stop the axis from firing, which means the character will continu ...

Engine/Extras/MayaLiveLink not provided in install directory

OLD - Anim - Nov 19, 2018

According to the Maya Live Link documentation, the zip file should be provided in the engine installation. https://docs.unrealengine.com/en-us/Engine/Animation/Live-Link-Plugin/Connecting-Unreal-Eng ...

Set Skeletal Mesh does not replicate or multicast to Clients

UE - Networking - Jul 5, 2019

The Set Skeletal Mesh function does not replicate or multicast to other Clients. In Setup A (Level Blueprint) only the Sever Character is changed on either the Client or Server. In Setup B (ThirdPer ...

Distro GearVR package crashes on open

UE - Platform - XR - Jun 20, 2019

Since this is a shipping/distro build and the device must be unplugged from the machine to be used in the hmd, I am unable to get logging. Will try with developer mode on. The following warning is ...

Crash occur when using AddSpawnableFromClass with BlueprintGeneratedClass specified

UE - Anim - Sequencer - Aug 13, 2019

BlueprintGeneratedClass is not based UBleupint. So the following code is failed. bool UActorFactoryBlueprint::PreSpawnActor( UObject* Asset, FTransform& InOutLocation) { UBlueprint* Blueprint = ...

Transform node which transforms a vector from mesh particle space to world space in vertex shader doesn't work on ue4.25

UE - Niagara - May 27, 2020

Transform node which transforms vector from mesh particle space to world space in vertex shader always returns 0. In ue4.24, it works fine. This behavior has been changed in CL#12558699. Removing f ...