Fail to launch ('Attempt to build nav collision') on device when HLOD is generated

UE - AI - Feb 16, 2017

After generating HLOD, game launched from launch on device does not run correctly. 4.14 does not seem to have this issue, so this might be a regression. ...

Right Click>Render Shot does not enable "Use Custom Start/End Frame"

UE - Anim - Sequencer - Feb 15, 2017

Right Click>Render Shot does not enable "Use Custom Start/End Frame" ...

Skeletal meshes with recently generated LODs will not change LODs in viewport

OLD - Anim - Feb 15, 2017

REGRESSION No Skeletal meshes that have recently had LODs auto-generated in the editor will not change LOD levels in the level viewport. This only occurs when the user is NOT playing or simulating ...

Print String node will stop printing to the screen if PIE is exited while Gameplay Debugger is active

UE - Gameplay - Feb 15, 2017

Print String node will stop printing to the screen if PIE is exited while Gameplay Debugger is active. Restarting the editor fixes the issue. ...

Engine Crashes When Previewing ES3_1 With Material Using World Position Offset (Need Custom Stencil)

UE - Platform - Mobile - Feb 15, 2017

This crash will only occur when this criteria is met.You have enabled custom depth with stencils in the project settingsA mesh in the scene is rendering to custom depth with a stencil value of 1The ...

Particle Cutout Crashes On Mobile Devices That Don't Support Hardware Instancing (Mali-400 GPU)

Particle cutout seems to crash on lower end mobile devices. We believe this is because there is an issue in the particle's SubUV feature. This happens only on devices that don't support hardware ins ...

Thumbnail is not displayed in the Editor for UPaperSprite properties

Tools - Feb 14, 2017

A UPaperSprite* property in a class does not show a thumbnail for the property in the Editor. This is different from other asset poperties, such as UTexture* or UStaticMesh*, which do show a thumbna ...

Packaged game Crashes on android after entering "Help" command twice

UE - Platform - Mobile - Feb 14, 2017

If the console command "Help" is used twice on a packaged android project, the packaged project will crash on the device ...

UObject Rename always changes object name

UE - Gameplay - Feb 14, 2017

In general, Object names should try to be reused where ever possible. This can help with name clashes and flexibility in finding / referencing objects by name. The implication for UObject::Rename w ...

DLC update from 1.0 deletes staging folder which unable to make incremental(patch) chunks

UE - Platform - Mobile - Feb 14, 2017

DLC update from 1.0 deletes staging folder which unable to make incremental(patch) chunks. ...