Blueprint graph stops drawing correctly after using shift-drag

UE - Gameplay - Blueprint Editor - Dec 26, 2018

When shift-dragging in the Blueprint graph and ending the drag on a node with a connected wire, the Blueprint graph will freeze up. There is an attached video that showcases the issue as well. Th ...

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 ...

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 ...

Syncing issue when stopping and blending out a non-looping montage to an anim graph

UE - Anim - Gameplay - Feb 7, 2023

When syncing from a non-repeating montage that is blending out to an anim graph, the anim montage is marked as a follower due to having its PrevMaker as an AnimBoundary(-1), furthermore in this case ...

Parameters show up in material instances even if they're not supposed to be exposed

UE - Rendering Architecture - Materials - Feb 28, 2018

In this case, I've added inputs to a material function. That material function input uses a parameter as it's default value. [image: Inline image 1] When referenced in the shader[image: Inline ima ...

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 ...