Structs in the Instance Settings for a Static Mesh in the Foliage Fill tool are not editable.

UE - World Creation - Worldbuilding Tools - Foliage - Dec 17, 2014

Adding a struct to the foliage panel results in the struct not being editable for a static mesh instance. The same struct is editable if applied to a PrimitiveComponent. ...

Moving an Actor using the Transform controls in the Details panel with Realtime disabled leaves the Widget in its initial location

Tools - Jan 9, 2015

Moving an Actor using the Transform controls in the Details panel with Realtime disabled leaves the Widget in its initial location. Clicking off the Actor and then selecting it again restores the ...

Crash generating grass for landscape with XY offset map

UE - LD & Modeling - Terrain - Landscape - May 8, 2015

Landscape grass map generation crashes if the landscape component in question uses an XY offset map. --------- Fatal error: [Link Removed] [Line: 646] Rendering thread exception: Fatal error: [Lin ...

Clicking the GameMode Override dropdown in the World Settings tab crashes the editor

Tools - Jun 25, 2015

Clicking the GameMode Override dropdown in the World Settings tab crashes the editor. Also occurs with any of the sub-options for the GameMode. Does not appear to occur if there is not already an ex ...

Random Stream variables in the GameMode are reset every PIE

UE - Gameplay - Blueprint - Jul 6, 2015

Random Stream variables in the GameMode are reset every PIE. Workaround is to use Set Random Stream Seed before using the Stream value. Reproduced in 4.7.6, 4.8.1, and Main (//depot/UE4/Promotable ...

Video Capture Renders Black W/Metal

UE - Platform - Apple - Apr 6, 2016

From AnswerHub: Under OS X 10.11.4 using Metal on an AMD FirePro D700, captured video using the editor's built-in video capture tools is black. It doesn't matter if I attempt to capture images or v ...

A warning is needed for turning off "Update Navigation Automatically", large nav meshes can cause crashes

UE - AI - Jul 7, 2015

A warning is needed before allowing users to uncheck update Navigation Automatically. A user has done so and then created a nav mesh that was 1,000,000 by 1,000,000 in size and they can no longer op ...

Struct array variables interpret multiple Structs as the same if they have the same values

UE - Gameplay - Blueprint - Jul 7, 2015

Struct array variables interpret multiple Structs as the same if they have the same values. This does not occur if the values in the Structs added to the array are different. Test project in 4.8.1 ...

Crashes in movie player on Android

UE - Platform - Mobile - Apr 23, 2015

There are a number of reported movie crash issues, but this report likely covers the main cause. Garbage collection changed in Android 4.0 and we are triggering a check that does not happen with ba ...