Unused textures overridden in the material instance are still cooked

UE - Foundation - Core - Sep 28, 2015

When creating a material and then overriding the textures on the new material instance, the unused textures are still included in the cooking process. ...

MAC: dSYM files are included in packaging when "include debug files" is checked off

UE - Platform - Apple - Nov 13, 2015

When packaging settings are set to "Shipping" with "include debug files" checked off, UE4-Game-Mac-Shipping.dsym is still present in packaging adding a non-essential 619mb of data. ...

Blender FBXs import wrong number of bones which causes issues with Apex Cloth files

Tools - Jan 6, 2016

First of all, I'm not sure this is an issue with UE4, but I'm not familiar with Blender to rule this out. A user has reported an issue when importing a Rigged mesh from Blender it will add an addi ...

Show Collections shows up twice when box is checked and multiple content browsers

UE - Editor - Content Pipeline - Content Browser - Jun 29, 2015

When you have 'show collections' checked off and you open up an additional content browser, 'show collections' shows up twice in the menu. ...

TMap and TSet variables do not display properly when inspecting in VS2015

UE - Foundation - Core - Feb 16, 2016

When inspecting a TMap variable during runtime, the value of the variable is not displayed properly inside VS2015. Screenshots included to show what the TMap variable looks like in VS2013 (ProperTM ...

Target build folder does not clear when repackaging

UE - Platform - Mobile - Nov 6, 2015

When repackaging the same project over and over again for HTML5, the Utility.js folder doesn't delete/clear during the repackaging process like it's suppose to. ...

Particle AnimTrails do not render on Android with Mali chipset when using OpenGL ES 3.1

UE - Platform - Mobile - Nov 22, 2016

Particle AnimTrails are not rendering on Mali but will render on the Adreno when using the OpenGL ES 3.1. ES2 renders correctly on both devices, just ES 3.1 does not. The devices compared: Working ...

Crash on reimport animation when there is an additive animation track and fbx frame number is different

OLD - Anim - Feb 14, 2017

When an animation sequence has an additive animation track, reimporting a fbx would crash the editor if the new fbx has a different number of frames. ...

UV Flipping Mode Causes Stretching of Particles

UE - Niagara - Nov 17, 2017

If "UVFlipping Mode" under Rendering on the Required node of an emitter is set to anything other than "None," the particles can become stretched and distorted. As a workaround, I have discovered th ...

Naming CustomEvent string Input "DisplayName" breaks Blueprint Node

UE - Gameplay - Blueprint Editor - Jan 4, 2018

Naming a custom event string input DisplayName will cause the BP Node spawner to use blank or user-entered data for node listing+creation. Additional Notes: This also occurs when renaming the Text ...