A project on Mac that includes a static library will continue to use the old cached version of the library after the library is updated.

UE - Foundation - Cpp Tools - UnrealBuildTool - Sep 9, 2016

If a static library that is included with a UE4 project is changed, the new version of the library is not used when the project is built again. Instead, the original cached version of the library is ...

GPU Visualizer is being clipped in VR Preview

UE - Platform - XR - Sep 9, 2016

Found by internal developer. The GPU Visualizer window is being clipped, making it unusable while in VR Preivew. This works find in Play in New Window. ...

Editor window no longer resizes in realtime

Tools - Sep 9, 2016

Found this while testing another issue. ...

The red time indicator for viewing curves in persona is slightly tilted

OLD - Anim - Sep 9, 2016

The time indicator for curves in persona is slightly tilted off vertical. This also occurs in 4.13 main. ...

Importing low key frame animations with custom attribute curves have their keys offset affecting pose asset generation

OLD - Anim - Sep 9, 2016

When creating a pose asset based on an animation and curves with a low number of keyframes if you switch between the pose assets poses, the curves will not be correctly timed with the animation beca ...

Xbox One - Merged sprites do not render

UE - Graphics Features - Sep 9, 2016

Apparently merged sprites do not render at all on XB1. ...

Level will crash if Landscape material layer can't find LayerInfo file.

UE - LD & Modeling - Terrain - Landscape - Sep 8, 2016

Artist had problem open his level after LayerInfo file was deleted ...

Setting Paper Sprite Component from within another component causes sprite asset reference to be lost on associated blueprint compile (nested components issue)

UE - Gameplay - Blueprint - Sep 8, 2016

If a UPaperSpriteComponent is declared in a Scene Component class and the Scene Component is added as a component to a Pawn class, creating a blueprint of the Pawn and setting the Paper Sprite caus ...

If Visible is off in actor details by default, Visibility track in Sequencer doesn't work in game

UE - Anim - Sequencer - Sep 8, 2016

If Visible is off in actor details by default, Visibility track in Sequencer doesn't work in game. It appears to work when you hit play in the Sequencer Editor, but doesn't work in game. ...

Shadow casting still considered for performance when light intensity set to 0.0

UE - Graphics Features - Sep 8, 2016

Shadow casting is still considered when the lighting intensity has been set to 0. This is a regression in performance from 4.12.5 where a lights intensity that was set to 0 would not be considered ...