Having "Accurate velocities from vertex deformation" enables causes extreme blur on skeletal meshes

UE - Graphics Features - Jan 4, 2016

Having accurate velocities from vertex deformation enabled and a SceneCapture2D in the same project will create blurry skeletal meshes. I am unable to reproduce this with an Nvidia graphics card. T ...

HMD Mirror Mode causes vive to have black preview screen

UE - Platform - XR - Jun 23, 2016

[NickW] SteamVR uses HMD Mirror, but this should fail more gracefully Not sure if this is supported for vive, but it puts the user in a state where they can't undo the command (or change back to a ...

Static mesh does not show after using "Merge Actors" if the mesh is part of a child actor component that has been added to the blueprint

UE - World Creation - Worldbuilding Tools - HLOD - Jan 11, 2016

If a user has two blueprints, one with a static mesh and the other with a child actor component that contains a static mesh and that user uses the merge actors tool the child actor component's stati ...

FLightMap2D::Serialize() contains a possible index out of range error.

UE - Graphics Features - Dec 30, 2014

A user pointed out a potential to have an index out of range error in the source code. There are also a few magic numbers scattered around in this function. ...

[CrashReport] libobjc.A.dylib!<Unknown> SEGV_NOOP at 0x0

UE - Platform - Apple - Aug 3, 2015

User crashes at "Loading 83%" *See also attached Mac Crash Log. [Link Removed]Launched UE, it crashed upon launch.Ok, a file i wanted to delete, and it just crashed the whole program. Thx.Started e ...

Possible crash reimporting destructible assets

UE - Simulation - Physics - Destruction - Jan 20, 2017

This won't always happen, but the call in ImportDestructibleMeshFromApexDestructibleAsset to LODModel.ReleaseResources(); will enqueue render commands to release the resource, but the call after tha ...

Literal Gameplay Tag Container's Return Value does not have ParentTags

UE - Gameplay - Oct 16, 2017

Literal Gameplay Tag Container's Return Value does not have ParentTags in 4.17 and 4.18. In 4.16, the value had it. There is same problem in Return node that is Gameplay Tag Container Structure. In ...

iOS: Local notifications can be overridden if using the same title

UE - Platform - Mobile - Feb 1, 2019

A customer found out that the NotificationNumber static variable is never incremented. This results in a constant NotificationIdentifier string when using the same Title. Seems like it should be ...

SceneTexture [SceneDepth] is not displayed correctly in ES3.1Preview

UE - Platform - Mobile - Oct 4, 2019

It will be displayed correctly when launched with XperiaXPerformance. ...