Cannot manipulate morph targets unique to Slave Component through Master Component

OLD - Anim - Apr 1, 2016

Cannot manipulate morph targets that are unique to the Slave Component through the Master Component. So the situation here is that the Head(Master) does not have the "BeerBelly" morph target, but t ...

Copying a Static Mesh actor from the level and pasting it into a Blueprint as a component does not retain any of the values of the copied actor

UE - Gameplay - Blueprint - Aug 4, 2015

Copying a Static Mesh actor from the level and pasting it into a Blueprint as a component does not retain any of the values of the copied actor. Reproduced in 4.7.6 binary, 4.9 Release (//depot/UE4 ...

Stationary Lights are causing shadowing errors with Movable Objects

UE - Graphics Features - Feb 11, 2015

Stationary Lights are generating shadows with flickering black square and vanish shadows altogether on movable objects in the Preview of 4.7p6 and in the newest Release Branch of 4.7 (2439472). The ...

Starting position of physics simulated bp is different in Standalone Game

UE - Simulation - Physics - Feb 26, 2016

Starting position of physics simulated bp is different in Standalone Game User Description: Things work fine in the editor window, but when I run a standalone game then blueprints with physics bod ...

Extracting Sprites from Padded Non-Power of Two Textures are Offset

UE - Gameplay - Paper2D - Oct 12, 2015

Extracted Sprites are offset when importing a non-power of two sprite sheet, padding it to a power a two mode, and then using the extract function. You can see this offset clipping of the extracted ...

Regression: FAnimInstanceProxy memory leak when BeginDestroy() called on UAnimInstance before USkeletalMeshComponent

UE - Anim - Runtime - Feb 10, 2025

In UE 5.5, the fix applied by CL 36529858 in ue5-main updated USkeletalMeshComponent::ClearAnimScriptInstance() to call AnimScriptInstance::UninitializeAnimation() on the animation instance. This, i ...

Adding a Local Variable to a blueprint Construction Script will cause a crash

UE - Gameplay - Blueprint - Dec 18, 2014

Adding a Local Variable to a blueprint Construction Script will cause a crash ...

Editor Crashes When Attempting to Maximize Standalone Window While a Startup Movie is Playing

Tools - Jun 2, 2017

The editor is crashing when clicking the Maximize button on a standalone window when a startup movie is playing. ...

Deprecated components can still be added via the Add Component button

UE - Gameplay - Blueprint Editor - Oct 19, 2021

The UDN has a possible fix for this issue in the Component Type Registry You can use the following as a test C++ class: #pragma once #include "CoreMinimal.h" #include "Components/ActorComp ...

Crash closing the TM_Landscape map in the editor

UE - World Creation - Worldbuilding Tools - Foliage - Apr 18, 2017

The editor is crashing after closing the TM_Landscape level This is a regression from 4.15.2 ...