Retargeting an Animation to a Skeleton with a Virtual Bone causes the Engine to crash

OLD - Anim - Jan 14, 2019

This crash occurs when trying to retarget an animation onto another skeleton with a retargeting rig that references a virtual bone. This issue could be similar to [Link Removed] This issue was re ...

Incorrect Skysphere Material Reflection with Ray Tracing

UE - Graphics Features - Lumen - Mar 5, 2019

The reflected Sky material looks blurry and low res when set to unlit, however setting the material to Default Lit has the correct reflection. Even though the reflection is correct the lighting brea ...

Materials with a custom node with a Struct that has a function fails to compile for GLSL (Android) and uses a default material

UE - Graphics Features - Apr 29, 2019

A user has reported that Materials that contain a custom HLSL node that has a Struct with a function declared inside of it results in the material failing to compile for GLSL, causing the Material t ...

Tiling Sprite in UMG uses whole image

UE - Editor - UI Systems - Sep 21, 2020

When a Sprite that has been created from a Texture Atlas is used in a Widget, it can not be tiled. Instead the whole Texture Atlas is tiled.  Reported in version 4.25.3(CL 13942748). Tested and fou ...

EngineSubsystem Deinitialize is not being called

Tools - Jan 24, 2020

UEngineSubsystem::Deinitialize() is not called when closing the editor In addition, (tested only with released 4.24.1)  when recompiling a module using the "Modules" window in the editor the d ...

Opening a Niagara asset that references a disabled plugin (Chaos Niagara) can crash the editor

UE - Niagara - Jan 18, 2024

Opening a module with references to a disabled plugin can crash the editor.  ...

Changing blendspace on a blendspace player node resets the play time

OLD - Anim - Jan 11, 2017

Open QAGame and duplicate Player_RunBlend to Player_RunBlend2. Create an animation blueprint for M_Avg_Base_AnimSkeleton and set it up in the screen shot below. ( "New Var 0" and "New Var 1" contai ...

Filename issue for Stick Figure Project 2D project

Docs - Samples - May 2, 2017

There is an issue packaging the project Unreal Stick Figure 2D project that is available in the learning tab. The project cannot package from the outset because of a couple of files that uses space ...

Cannot paste text into Text Box in HTML5 build

UE - Platform - Mobile - Sep 14, 2017

With HTML 5 Packages you cannot use the windows clipboard to paste things into the text box. This issue does not occur with other builds of the project. This issue does not appear to be a regression ...

UI transparency breaks when dragging a game window around the screen

UE - Editor - UI Systems - Nov 20, 2017

When a game window launched from UE is moved around the screen, any transparent elements on the screen will turn fully opaque. The loss of transparency also causes some text to become blurry. This d ...