Metallic Setting is not passed through Material Function in Feature Level ES2

UE - Graphics Features - Mar 26, 2015

When a metallic input is passed into a material via a material function and previewed in ES2, the metallic is always returns 0 in the material. Also reproduced in Main Promotable-CL-2490775 [Image ...

Crash applying animation blueprint with sub instance to Skeletal Mesh Component

OLD - Anim - Aug 3, 2016

Crash occurs when the user sets Anim Class in a Skeletal Mesh Component to an animation blueprint with a Sub Anim Instance node. ...

Particle System Warmup Time causing Crash with Light Module and High Quality Lights

UE - Graphics Features - Oct 7, 2016

A crash occurs when Opening a level with a Particle System that contains a warmup time and a Light module with High Quality Lights checked. This crash seems very isolated and specific as it does no ...

OSVR does not consistently render to HMD if OSVR Server is not open prior to opening editor/cooked game

UE - Platform - XR - May 18, 2016

It seems like if OSVR_Server is not launched prior to opening the editor, vr-preview functionality will not work (even though the editor starts OSVR_Server at launch). Seems like server must be open ...

Typo in FBX Import Options: Skeleton Tooltip

UE - Editor - Content Pipeline - Import and Export - Jul 30, 2015

There's a small typo in the "skeleton" tooltip in the editor's fbx importer. It says "and animation" when it should say "an animation" (see attached screenshot). ...

Misspelling in Editor Preferences: Experimental

Tools - Sep 16, 2015

UE4.9.1 under Editor Preference3s ->Experimental -> Cooking it says "Iterative cooking for builds launched [form] the editor." Correction: [from] ...

CTRL+LMB/RMB does not respond once transform widget is out of view

Tools - Jun 23, 2015

When dragging the object in and out of view with the CTRL+LMB/RMB, the object will stop moving once the transform pivot is out of the viewport. ...

Ribbon Emitter Lifetime Parameter Can Only Be Set Once

UE - Graphics Features - Apr 18, 2017

You can set the ribbon particle parameter for lifetime only once during runtime. After that setting that parameter has no influence. ...

When using StringToBytes() it returns an incorrect value

UE - Foundation - Core - Jan 4, 2018

When using the StringToBytes() function it returns one less byte due to the -1 at the end of the return. The function takes a string and converts it to bytes but it always returns one less byte than ...

Blueprint Diff of GameplayTagContainer variable shows difference when there is none

UE - Gameplay - Blueprint - Apr 23, 2018

GameplayTagContainer does not diff properly. ...