Linux - Crash when moving/turning the viewport camera in project that contains hair

UE - Graphics Features - Feb 2, 2021

I've attached the project log, crashreport, and crash info to this ticket. This issue only appears to be happening on Linux (On both Nvidia/AMD cards) and does not happen when the hair is disabled i ...

AnimNotify triggering all play sounds at once in Matinee Animation Track

OLD - Anim - Jul 21, 2015

Placing a series of Play Sound Anim Notifies in an Animation and looping or playing that animation via Matinee multiple times causes the sounds to play all at once at the initial trigger of the anim ...

Moving Landscape causes Crash with Landscape Grass Output in Landscape Material

UE - LD & Modeling - Terrain - Landscape - Jun 16, 2016

Editor crashes when utilizing the Landscape Grass Output node within a Material, and then attempting to move the landscape with the material applied. I narrowed this down to being directly related ...

Crash occurs when using Random Node and Branch within Sound Cue

UE - Audio - Aug 22, 2016

A crash occurs when playing a Sound Cue with Random node used in conjunction with a Branch node. In the original report the user specifically mentions the crash does not occur if you have not opene ...

User created widgets from widgets that are normally not focusable appear to break navigation when added to another widget even when focusable set to true

UE - Editor - UI Systems - Oct 28, 2016

User created widgets from widgets that are normally not focusable appear to break navigation when added to another widget even when focusable set to true Example: A widget with only a text block in ...

GUID property is not fully generated for a component added to a Blueprint in the Editor

UE - Gameplay - Blueprint - May 1, 2017

If a component contains a GUID property, and that component is added to a Blueprint in the Editor, that property is not fully generated for instances of the Blueprint. Only the first part of the GUI ...

Cannot build Engine in Debug Editor configuration due to error caused by string literals in ClientSession.cpp

PixelStreaming - Apr 18, 2019

Attempting to build the Engine using the Debug Editor configuration results in a build failure related to a string literal (error C2338: Formatting string must be a TCHAR array.). There are three ch ...

Selection outline rendering inconsistently in VRMode

UE - Platform - XR - Mar 4, 2019

The cube (staticMesh) outlines are rendering in just the left eye while Box brush (Brush) outlines seem floaty and are rendering only in the right eye.  Does not occur in //UE4/Release-4.21 @CL 475 ...

"Weld Simulated Bodies" Collision flips when welding Skeletal mesh to Static Mesh

UE - Simulation - Physics - Sep 20, 2019

Collision flipped when welding a skeletal mesh to a static mesh. Welding Skeletal mesh as parent actor does not cause collision to flip. Showflag.Collision 1 shows correct collision. (However px ...

Inversing the scale of a skeletal mesh when it's simulating physics results in the mesh and collision being flipped

UE - Simulation - Physics - Mar 18, 2021

The attached project has 3 skeletal meshes. One with its original transform and then 2 copies with an inversed scale in the X axis for one and the Y axis for the other. When pressing play, the meshe ...