Local Variable loses value after reference moves file location

UE - Gameplay - Blueprint - May 23, 2017

Local Variable loses value after reference moves file locations. This does not just affect construction scripts, following these steps with a function instead produced the same result. This issue do ...

Physics Handle - Angular Damping option has an incorrect tooltip

UE - Simulation - Physics - Sep 1, 2017

there is a wrong tooltip for Angular Damping option in the details panel for the Physics Handle, the tooltip describes it as Angular Stiffness. This issue is not a regression Versions Tested: 4.15. ...

No mouse decorator when dragging Event Dispatcher from My Blueprint panel

UE - Gameplay - Blueprint - May 20, 2015

Currently there is no mouse decorator when dragging event dispatchers out of the My Blueprints panel in the Blueprint editor. This contradicts the functionality of drag-and-dropping variables, func ...

Clothing Data paint doesn't effect visible mesh

UE - Simulation - Physics - Jan 7, 2020

Skeletal mesh sections with cloth should have their visible mesh match their simulated mesh and this should be effected by painted values. Any vertices left unpainted(at 0) after the initial paint, ...

Single sided complex collision mesh collision blocks character movement from backside

UE - Simulation - Physics - Query - Nov 17, 2023

Commenting out the branch in FTriangleMeshSweepVisitor::VisitSweep is a work-around.if (CullsBackFaceSweepsCode != 0) { if (VectorMaskBits(IsBackFace)) { // Don't cull the back face ...

Crash occurs when right-clicking in graph of a blueprint with a null parent class

UE - Gameplay - Blueprint - Mar 17, 2017

REGRESSION No Crash occurs when the user right-clicks in the graph in a blueprint that has a Null parent class. ...

Crash in FBlueprintActionMenuBuilder while editing blueprints

UE - Gameplay - Blueprint Editor - Apr 28, 2017

Note those are not 100% repro steps they are what I remember doing. I've got this issue twice so far and both times I was editing a blueprint and switching between constructions script and event gr ...

CameraVectorWS Input Data as Post Process Blendable not Rendering Correctly

UE - Graphics Features - Apr 6, 2016

When calling a post process blendable to the screen using the CameraVectorWS input data, only the geometry is effected and not the screen space. Note I sent an email out about this issue, and it ha ...

UMG Background Blur renders black on Android

UE - Platform - Mobile - Dec 8, 2016

Tested on Nexus 6P with Android 7.0 Suggest that on mobile the background is not rendered in real time, instead we render the blurred image for one frame and use that same image for subsequent fr ...

Subclass disappears from class variable drop-down on re-open

UE - Gameplay - Blueprint - Mar 13, 2017

Subclass disappears from class variable drop-down upon reopening the project. There is a workaround for the issue but it is strange in nature. Opening the level blueprint and adding the node in scre ...