Tangent normals are recalculated by default on skeletal meshes with blend shapes

UE - Graphics Features - Nov 8, 2016

In 4.13 if you imported a skeletal mesh with a blendshape and run the blend shape. The normals are not recalculated. To Recalculate the normals during runtime you need to edit the Console Variables ...

Particle emitter follows camera on certain Android devices

UE - Platform - Mobile - Dec 5, 2016

When running a launched or packaged version on an Android device, if there is a particle emitter, it follows the camera looking up or down. If you have more than 1 particle emitter, it seems to corr ...

Editor will crash on attempt to load a previously-saved Blueprint asset with a serialized default subobject containing a serialized static array of two or more nested subobject instances.

A crash will result if a Blueprint class that's based on a native C++ class containing two or more nested, explicitly-instanced subobjects referenced by a fixed-size object array property are serial ...

Disabling 'Use Landscape Lightmap' option Skewing Procedural Foliage Instances

UE - LD & Modeling - Terrain - Landscape - Oct 24, 2016

Disabling the 'Use Landscape Lightmap' when using procedural foliage, will skew the placed instanced meshes. Regression? Yes, this issue did not occur in the 4.13.1 release. ...

Using Blend Physics Weight causes skeletal mesh to spin at high speed

OLD - Anim - Mar 5, 2015

When Phyics Blend in the PHAT editor is set between 0 and 1, the user character will spin wildly. User has image of this affecting character in game whereas I was only able to replicate it in the PH ...

Crash when ribbons use delayed spawn particle as source.

UE - Graphics Features - Dec 3, 2015

User has found bug but has a working fix. Verify fix and implement in engine. ...

WASM HTML5 Runs out of Memory in Chrome versions 58+ on Windows

UE - Platform - Mobile - May 5, 2017

We were seeing out-of-memory errors when launching on Chrome version 58 on Windows (both 32-bit and 64-bit). After some investigation, the root cause appears to be a regression introduced in Chrome ...

Play rate track does not work when using CreateLevelSequencePlayer

UE - Anim - Sequencer - Oct 13, 2016

Play rate track does not work when using CreateLevelSequencePlayer Regression: YES Worked: 4.12.5 CL:3039270 Broken: 4.13.1 CL:3142249 ...

[MAC] Editor keyboard bindings do not allow overriding already bound shortcuts

UE - Platform - Apple - Sep 9, 2015

When entering "ALT+B," to rebind keys to a function, red warning flashes for 1 frame, does not allow function to be rebound to this key combination *See attached image. ...

Texture Color in UMG reverts to default value after Sequence is over

UE - Anim - Sequencer - May 30, 2017

After the timeline exceeds the sequence, the Material on the image reverts to default Red. This does not happen to the color on the font however. This does Not happen in Main and in 4.16.1 therefo ...