Setting a value Material Parameter Collection to Material will cause crash

UE - Graphics Features - May 2, 2016

Adding a Material Parameter collection to a material, setting its value, then saving the material will cause a crash. This was only able to be reproduced on Mac and did not affect the Windows versio ...

RootMotion Malfunctioning When Played in Lower Framerates

UE - Gameplay - Player Movement - May 2, 2016

Root Motion Animations are not functioning correctly during lower frame rates. For example, a character moving forward 2 meters at regular frame rate will move 10 meters at a lower frame rate. Regr ...

Custom Nav Area Not Affecting Nav Mesh Until Restart

UE - AI - May 2, 2016

When using a Nav Modifier volume with a custom Nav Area class, the Nav Mesh is not being affected until the editor is restarted. Found in 4.11.2 binary. Reproduced in 4.12 Preview 1 binary and Main ...

Launching with -VR will pick non-native display resolution for Vive/SteamVR

UE - Platform - XR - May 2, 2016

Running with -game will run game at native fullscreen resolution 1920x1080. (checking with r.setres)Running with -game -vr will run game in VR but resolution is 1280x720. (checking with r.setres) Th ...

Default level Sun Disc precision issue on Android

Docs - Samples - May 2, 2016

Sun disc in the default level has precision or depth fighting issues ...

Some properties of USkinnedMeshComponent are serialized, should probably be transient

OLD - Anim - Apr 30, 2016

MaxDistanceFactor, PredictedLODLevel and OldPredictedLODLevel are marked UPROPERTY, so they are serialized. These are just temporary properties though, should probably be marked transient, so they a ...

Cannot Rename Folders in Content Browser Explorer Panel in OSX

UE - Platform - Apple - Apr 29, 2016

On Macs running Yosemite or El Capitan, you cannot rename a folder in the Content Browser Explorer window, but you can rename them in the Contents Viewer to the right (I'm not sure of the correct te ...

User is not warned or prompted when ini files for use in Localization Dashboard are read-only due to source control integration

UE - Editor - UI Systems - Localization - Apr 29, 2016

A user has reported an issue where the Localization Dashboard does not prompt users to let them know that their ini files for their localization targets are checked into perforce and therefore not w ...

Window No Longer Captures Mouse After Closing Console

UE - Gameplay - Apr 29, 2016

When PIE, (Standalone) after bringing up the console, typing a console command and closing console, the standalone window no longer captures mouse. Instead the user must select the game window with ...

Indirect Lighting Transition is delayed one frame.

UE - Graphics Features - Apr 29, 2016

If you let objects move quick like teleport, you can see the transition is delayed one frame. This problem occurs even if r.Cache.SampleTransitionSpeed increase, and Both ILCQ_Point and ILCQ_Volume ...