Keyboard Shortcuts on Mac Switch Between Cmd and Ctrl After Editor Restart

UE - Platform - Apple - Aug 22, 2016

Creating custom keyboard shortcuts on Mac seems to have an issue keeping the correct meta key mapped. During the same session a shortcut is set it will work fine. After restarting any Cmd shortcuts ...

Cannot use legacy UE types on Mac, Linux and other platforms

UE - Foundation - Core - Aug 30, 2016

On Windows and Xbox we have special header files to re-enable legacy UE types, such as DWORD. On Linux, Mac and other platforms there is no such mechanism. This prevents us from compiling plug-ins w ...

Color shifting occurs from screen probe gather ping-pong when Lumen active

UE - Graphics Features - Lumen - Apr 29, 2024

A subtle yellow tint color shift occurs when Lumen is active due to usage of R11G11B10_Float targets, mostly from r.Lumen.ScreenProbeGather.SpatialFilterProbes where we ping-pong between R11G11B10_F ...

Possible memory leak in FVertexFactoryData's ClothVertexFactories

UE - Simulation - Physics - Character - Oct 28, 2015

Developer implemented their own marker system with callstack data in their own custom version of malloc/realloc/free, and they reported that there might be a memory leak in the ClothVertexFactories ...

Setting size of GameViewportClient gives different results on Android than in Editor

UE - Platform - Mobile - Feb 9, 2017

Setting size of GameViewportClient gives different results on Android than in Editor OpenGL ES renders with the viewport origin in the bottom left, so that's potentially related to the problem. A ...

Code classes with a portion of the project name and parent type cannot be created.

Tools - Feb 25, 2015

When adding code to a project, class names cannot be used if they contain a portion of the project's names and the type of class of the parent. Message says that the name is already used by another ...

Level Blueprint's Parent Class can be set to another Level Blueprint's generated class

UE - Gameplay - Blueprint - Sep 16, 2015

You can assign the Parent Class of Level Blueprint to be the generated class of another Level Blueprint, which gives you the following "Graph is linked to object(s) in external map" error if you try ...

Xcode build will fail if project has a file that was added by the Editor that contains a Copyright (©) symbol

UE - Platform - Apple - Mar 27, 2017

Code class files created by the Editor that include the Copyright symbol (©) are created with UTF-16 encoding. This encoding is not supported by Xcode on Mac, and will result in a build failure. In ...

Editor crashes when assigning Landscape layer info while Forward Shading is enabled

UE - LD & Modeling - Terrain - Landscape - Nov 7, 2017

Crash occurs when Forward Shading is enabled in Forward Rendering Options User noted that if "Support Stationary Skylight" in Project Settings > Rendering > Shader Permutation Reduction is disabled ...

Cannot build project for the Development configuration after adding a new UFactory code class

Tools - Apr 13, 2018

Adding a new custom UFactory code class to a project results in no longer being able to build the project for the Development configuration. Prior to adding the UFactory code class the project can b ...