Modulated Shadows on IOS cause flickering on Skeletal Meshes

UE - Platform - Mobile - Feb 10, 2016

Modulated shadows are not functioning properly on IOS devices for skeletal meshes. Any skeletal meshes in the scene will cast a shadow, but have a flickering modulated shadow on the skeletal mesh as ...

Packaging a runtime plugin in a Blueprint project causes some Editor files to be deleted

UE - Foundation - Cpp Tools - Oct 22, 2018

Attempting to package a runtime plugin (does not occur with a Development plugin) in a Blueprint project fails in 4.21 Preview 2. This also causes some Editor files to be deleted, including the Modu ...

Simulating physics overrides the ability to move Skeletal Mesh Actors in Editor after moving a child component

UE - Simulation - Physics - Jun 18, 2019

Found in 4.22 CL#6574378 Reproduced in 4.21 CL#4753647, 4.24 Main CL#7062442 May be similar to [Link Removed], which was reported fixed in 4.13 The following warning is spammed when trying to mov ...

Duplicating functions doesn't reset the GUIDs of local variables.

UE - Gameplay - Jun 15, 2023

This is actually a bug with function duplication via UEdGraphSchema_K2::DuplicateGraph. After a function graph is duplicated, the function entry node still retains the same GUIDs for its local vari ...

HLOD fading reset after view reset

UE - World Creation - Worldbuilding Tools - HLOD - Jan 24, 2024

From licensee:When the player pawn teleports inside a structure that is a HLOD, the dithered HLOD fading transition is not properly reset so we can see it re-starting to fade, from the inside. Our ...

Translucent Surface Material and Additive Particles not rendering on Metal in Shipping/Distribution

UE - Platform - Mobile - Oct 22, 2015

Certain Translucent Materials with Surface Lighting Models and Additive Material based Particle Systems will not render in Shipping/Distribution configuration using Metal Rendering on an iPhone 6*. ...

Video Capture Renders Black W/Metal

UE - Platform - Apple - Apr 6, 2016

From AnswerHub: Under OS X 10.11.4 using Metal on an AMD FirePro D700, captured video using the editor's built-in video capture tools is black. It doesn't matter if I attempt to capture images or v ...

DFAO in 4.9 has significant artifacts on some machines

UE - Graphics Features - Jul 30, 2015

Reported in this threadhttps://forums.unrealengine.com/showthread.php?78320-4-9-Horrible-DFAO-artifacts This looks to be a machine specific issue. I'd like to get some testing on different video c ...

Get mouse X/ Get mouse Y returns zero after the user clicks the screen and mouse is shown

Tools - Mar 28, 2016

If the user has set show mouse set to true and clicks the screen the Get mouse x and Get mouse Y will no longer return anything other than 0.0 Additional notes: This does not appear to be a regress ...

Compile failure adding C++ Vehicle or VehicleAdvanced pack to a project

UE - Gameplay - Jan 11, 2017

Adding the C++ Vehicle feature pack to a project fails to compile with the following error:CompilerResultsLog: Info Error: Couldn't find parent type for 'TP_VehiclePawn' named 'AWheeledVehicle' in c ...