Converting Project from 4.11 to 4.12 and Above Changes Relative Scale of Sockets to 1

UE - Gameplay - Sep 21, 2016

When converting a project from 4.10/4.11 to 4.12(or later) the relative scale of the sockets on skeletal meshes will be changed to 1,1,1 regardless of the previous settings. ...

Selecting all actors and copying receives "Actor [name] is referenced by another Actor, do you really want to delete it?

Tools - Sep 22, 2016

Selecting all actors and copying receives "Actor [name] is referenced by another Actor, do you really want to delete it?". This seems to only happen if one of the actors is referencing another actor ...

SButton and SBorder multiply color and opacity twice

UE - Editor - UI Systems - Sep 22, 2016

Currently, the SButton and SBorder widgets multiply the color and opacity during OnPaint before calling the super (SCompoundWidget::OnPaint). This causes the operation to be done twice, since the co ...

Using the CVar `Shot` causes artifacts in the screenshot with GearVR

UE - Platform - XR - Mar 7, 2016

When using the CVar for `Shot` the produced image saved in the screenshots folder of the project on the device will has artifacts that are not the image taken. This happens when using a Gear VR Proj ...

Light Shaft Occlusion causes exponential height fog to render incorrectly in stereoscopic

UE - Platform - XR - May 26, 2016

Enabling Light Shaft Occlusion causes exponential height fog to render incorrectly at certain viewing angles in stereoscopic. This does not reproduce once light shaft occlusion is turned off on the ...

Default World Grid Material Crashes on Launch in Forward Rendering Mode

UE - Graphics Features - Sep 26, 2016

When Launching, the level will crash as long as the world grid material is applied in the scene and needs to be compiled. If you attempt to package the project it will fail with the error "unable to ...

PlayLevel PlayStandaloneLocalPc( ) appears to be calling UE4Editor from engine binaries which can prevent game specific scripts from loading

Tools - Sep 26, 2016

PlayStandaloneLocalPc is used when user launches Standalone Game from editor, which loads the .uproject from UE4Editor in Engine binaries instead of loading project from project binaries. ...

Project Settings -> Engine -> Collision : Scrollbar initially missing

UE - Editor - UI Systems - Slate - Jun 20, 2016

If the Project Settings window is sized to the point a scrollbar is needed to read the complete text for Collisions Settings, expanding "Preset" will result in the scrollbar not appearing initially, ...

Framerate drops significantly when attempting to import heightmaps

UE - LD & Modeling - Terrain - Landscape - Sep 30, 2016

Framerate drops significantly when attempting to import heightmaps. Once the heightmap is imported this error is no longer prevalent, but during the preview there is a ~80-100 FPS drop. Regression ...

Find References does not appear to find used variables that have been copy and pasted from another blueprint

UE - Gameplay - Blueprint - Sep 30, 2016

Find References does not appear to find used variables that have been copy and pasted from another blueprint. Only the variable that was right clicked and turned into a variable is found ...