Crash when moving a sprite imported as part of a spritesheet to another folder if the sprite names had invalid characters

UE - Editor - Content Pipeline - Content Browser - Oct 28, 2014

Attempting to move any of the sprites created from this .json to another folder from within the Content Browser crashes the project. CRASHREPORT: 442758 ...

Using The Draw line node over an image in UMG causes Graphical issues

UE - Editor - UI Systems - Feb 12, 2015

Using the Drawn line node to draw a line over an image in UMG causes the viewport to display incorrectly. In 4.7 the lines also are not drawn. ...

Visual glitches on Mac OS X using an Intel GPU while playing HW accelerated H264 video

UE - Graphics Features - Dec 2, 2014

This looks to be a system driver bug, but logging here for transparency and future reference. It took me a long while to figure out that the key issue is a conflict during blit between UE4 and the H ...

No selection highlight in ES2

UE - Graphics Features - Dec 9, 2014

No selection highlight in ES2. Expected to be able to see what user has selected. Reproduced on windows and mac. ...

Crash when Building Lighting on Macs with Lighting Scenarios

UE - Platform - Apple - Oct 27, 2016

A crash occurs when you building lighting with a project using Lighting Scenarios on a Mac. I attempted to reproduce the issue using a new blank project, but was unable to get the crash to occur. T ...

Crash when rendering movie with "Capture frames in HDR" enabled

UE - Anim - Sequencer - May 18, 2016

Crash when rendering movie with "Capture frames in HDR" enabled Will add more info when crashreporter shows up. ...

Start up movie on Android device is not playing correctly on Shield Tablet

UE - Platform - Mobile - Mar 13, 2015

When adding a start up movie to a project and launching it onto the Nvidia Shield Tablet device, the video does not play properly. The screen is warped and displays black bars. ...

Misspelling in description for 'OnActorEndOverlap'

UE - Gameplay - Jun 25, 2015

'Called when another actor steps overlapping this actor' sounds like it should say 'Called when another actor STOPS overlapping this actor' ...

Assertion opening blueprint with HISMC created in 4.11

UE - World Creation - Worldbuilding Tools - Foliage - Jun 7, 2016

After project was upgraded to 4.12 opening a blueprint that contains Hierarchical Instanced Static Mesh component will result in a crash. From the log I this is the important part: Assertion faile ...

Lighting needs to be rebuilt in Advanced_Lighting map of starter content

Docs - Samples - Jan 11, 2017

Lighting needs to be rebuilt in Advanced_Lighting starter content map ...