Mousing over component list of an actor with InputComponent causes breakpoint in VS during PIE

Tools - Feb 24, 2015

When debugging a project through Visual Studio, if an actor with an Input Component is selected in the World Outliner a breakpoint will trigger in VS when attempting to select/mousing over any compo ...

Placing 3 or more individual meshes in the foliage tool and creating a large amount of them dramatically reduces FPS

UE - World Creation - Worldbuilding Tools - Foliage - Jan 13, 2015

While the framerate has improved for 4.7 in regards to large amounts of foliage, when a user places a substantial amount of foliage into level and it has at least 3 different foliage meshes, FPS dro ...

Infinite loop error message does not help and spawns too many messages

UE - Gameplay - Blueprint - Dec 17, 2014

The infinite loop reporter is reporting every infinite loop by popping up a window for each problem loop. So if you have an actor with 3 loops that trigger the infinite loop error and then you have ...

Refraction not working with MakeMaterialAttributes

UE - Graphics Features - Sep 14, 2015

When setting a material to Use Material Attributes and then feeding in a Refraction value with MakeMaterialAttributes, the refraction doesn't work properly Reported in 4.8, but I tested in Main as ...

Thumbnails rendered incorrectly in Content Browser

UE - Editor - Content Pipeline - Content Browser - Jul 7, 2016

While working with several different Blueprints classes, their Content Browser Thumbnails will become corrupted and render the contents of other assets. (See Attached Image) The Bullet Asset is act ...

AnimBP Bug: Print string triggered though not referenced

UE - Gameplay - Blueprint - Feb 10, 2015

Newly created animation blueprints will fire themselves during any form of PIE if they have been newly created during that session and even if no assets in the scene reference them at all. Restartin ...

Editable Text crashes on Android

UE - Platform - Mobile - Sep 3, 2015

Editable text crashes the project on Android devices. This does not happen on iOS or Windows. ...

Dark Artifacts Appear On Meshes With "Use As Occluder" After Enabling DBuffer Decals

UE - Graphics Features - Feb 13, 2017

Objects set to "us as occluder" will create dark artifacts from certain view angles. For this to occur "DBuffer Decals" need to be enabled in the project settings. The licensee has noted that addi ...

[CrashReport] UE4Editor_HeadMountedDisplay!FDefaultSpectatorScreenController::Helpers::GetEyeCroppedToFitRect() [defaultspectatorscreencontroller.cpp:363]

UE - Platform - XR - Nov 10, 2017

This is a trending crash coming out of the 4.18 release. It has also been experienced internally by QA. User DescriptionsUEQA-Juliet Talcott - minimizing Source Context 352 // Eye rect is t ...

GoogleVR rotational input stuttering after disabling stereo rendering

UE - Platform - Mobile - May 16, 2018

In a Google VR project, stuttering occurs when switching from stereo rendering to mono. Seems less like performance and more of a sensor input problem? 4.17 - No repro 4.18 - Unable to package (Ma ...