Light shaft smear color due to TAA bleeding

UE - Graphics Features - Feb 10, 2020

See https://udn.unrealengine.com/questions/553031/volumetric-fog-bug.html?childToView=554676#answer-554676 ...

'Render static' flag crashes editor in OpenGL ES3.1 shader complexity view mode

UE - Platform - Mobile - Mar 19, 2020

https://udn.unrealengine.com/questions/563316/render-static-flag-crashes-editor-in-opengl-es31-s.html ...

Indirect lighting cache generates points inside interpenetrating static meshes

UE - Graphics Features - Jun 10, 2015

Seems to be an issue with the indirect lighting cache where if you have interpenetrating static meshes (for example static mesh rocks that make up the ground), there are cases where the cache points ...

Move call to Actor::UninitializeComponents outside of if (bActorInitialized) in Actor::RouteEndPlay.

UE - Gameplay - Feb 26, 2016

https://udn.unrealengine.com/questions/280656/actorcomponentuninitializecomponent-isnt-called-wh.html Move call to Actor::UninitializeComponents outside of if (bActorInitialized) in Actor::RouteEnd ...

UnrealPak hangs when creating a pak file on Mac

UE - Platform - Apple - Oct 23, 2015

Reported by users and seen once by myself. For a project which can exhibit this see: https://udn.unrealengine.com/questions/265039/example-project-for-ios-build-hang-and-poor-modula.html ...

Timer significantly lowers FPS as compared to tick running the same function

UE - Gameplay - May 1, 2015

Timers set to a low time setting, but that are not set lower than tick, have a significant impact on FPS as compared to tick when updated a large number of objects at the same time. ...

Editor crashes when exiting and having a widget blueprint open.

UE - Editor - UI Systems - Dec 22, 2015

This is a top crash occurring in the 4.11 Preview Editor crashes when exiting and having a widget blueprint open. Regression: Yes does not occur in 4.10.2. ...

"Snap to Target, Keep World Scale" when attaching doesn't work properly if parent is scaled.

UE - Gameplay - Nov 11, 2015

See UDN thread, which includes suggested fix. https://udn.unrealengine.com/questions/267677/attachactortocomponent-scale-issue-with-scaled-com.html ...

Printing the result of the 'Get Move Ignore Actors' node will crash the editor

UE - Gameplay - Blueprint - May 6, 2015

Printing the result of the 'Get Move Ignore Actors' node will crash the editor. The Licensee found the issue while exploring a workaround for this JIRA:https://jira.ol.epicgames.net/browse/UE-14734 ...

Behavior of configuration file hierarchy is different from document

UE - Foundation - Core - Nov 6, 2015

Licensee reported behavior of configuration file hierarchy is different form document here (https://docs.unrealengine.com/latest/INT/Programming/Basics/ConfigurationFiles/index.html) Doc: 1. Engine ...