Lighting is unbuilt after reloading a level that has a actor with static mesh components

UE - Graphics Features - Jan 31, 2017

For a specific level with a simple BP actor that contains multiple static mesh components, lighting gets unbuilt after reloading the level, even when there is no change in the level. "LogStaticMesh ...

Failed to compile C++ Code project, for iOS/tvOS in Development, in Xcode 8.3 beta 1

UE - Platform - Mobile - Jan 31, 2017

Project fails to build for iOS/tvOS due to:error: non-portable path to file errors. ...

Time snapping interval is not updating the timeline in UMG Sequencer

UE - Anim - Sequencer - Jan 30, 2017

Changing the time snapping interval in UMG Sequencer doesn't seem to update the timeline. It appears to stay as though it is being snapped by time rather than frames. This is a Regression from 4.1 ...

iOS Device displays textures darker than in Editor

UE - Platform - Mobile - Jan 30, 2017

The issue is that on iOS devices textures are displaying significantly darker than expected. I did a color calibration with my monitor to get a more accurate representation of the texture. I set th ...

Reimporting skeletal mesh clears material references from material slots

Tools - Jan 30, 2017

This occurs in //UE4/Release-4.15, //UE4/Dev-Editor, and //UE4/Main Does not occur in 4.14.3 ...

Dynamic Nav Mesh rebuilds incorrectly on World Origin Shift

UE - AI - Jan 30, 2017

Dynamic Nav Mesh rebuilds incorrectly on World Origin Shift. It must be rebuilding (physics objects, etc) while the origin shift is taking place; then the nav mesh will rebuild at different heights ...

Crash when using Mesh Reduction on ScotsPine_01 for LOD3

UE - Graphics Features - Jan 30, 2017

A crash occurs when trying to use the Mesh Reduction tool for the ScotsPine_01 static mesh from the Open World Demo collection. The assets from this project are usually very processor heavy due to ...

Engine Scalability view distance settings are not being reflected accurately in the viewport

UE - Graphics Features - Jan 30, 2017

The foliage in the map appears to be unaffected by the changes in view distance. The scalability settings are changing the cvars to the right values but the change is not being reflected on screen ...

Set Actor Enable Collision doesn't turn off collision for Child Actor Components

UE - Gameplay - Jan 30, 2017

Set Actor Enable Collision doesn't turn off collision for Child Actor Components. User expects it to do so because other nodes like Set Hidden in Game work on the entire actor and the API explains i ...

Collision is not generated for Planes

UE - Gameplay - Jan 30, 2017

Single Planes do not generate collision on import or with the Convex Decomposition window. Workaround: box Collision can be added via the Collision > Add Box Simplified Collision. I checked as fa ...