Modulated Self Shadowing can not be disabled for Static Meshes

UE - Platform - Mobile - Feb 6, 2017

Modulated Self Shadow is only ever disabled and enabled for Skeletal Meshes and does not have any effect on Static Meshes. You can use the command r.Shadow.EnableModulatedSelfShadow 1 to enable self ...

Incorrect shading for SubSurface profile in the Blueprint Viewport.

UE - Graphics Features - Dec 30, 2016

The Subsurface shading looks incorrect in the Blueprint Viewport window. Adjusting the cvar for r.sss.checkerboard from the default value of 2 to 1 looks more correct and a value of 0 switches back ...

Sun is rendered badly or not showing on mobile devices.

UE - Platform - Mobile - Jan 27, 2015

When you deploy the First Person Template to a mobile device, the sun will appear badly rendered or not rendered at all. Tested on iPhone5S, iPad Air, GalaxyS3 Mail, Nexus 6, iPad Air 2, Nexus 5, G ...

Vehicle Template Gears incorrectly affect gear shift speed

UE - Gameplay - Feb 8, 2016

Changing the Up Ratio of a vehicle movement component incorrectly alters gear shifting. For example, setting the ratio for Gear 3 to 1.0 will keep the vehicle from shifting to gear 2, etc. ...

Blend weight of animations passed to notifies are incorrect

OLD - Anim - Jan 13, 2015

It's currently not possible to prevent notifies from firing by setting their TriggerWeightThreshold. When stepping into the code that fires the notifies I found that the given InstanceWeight was alw ...

Transparency applied through widget animations do not work on 3D Widgets

UE - Editor - UI Systems - Sep 16, 2015

If the user creates a widget with an animation that fades the widget out. This effect will not carry over into a 3D widget. The 3D widget goes directly from 1 to 0 or visa versa. ...

Volumetric Translucent Shadow visibility artifact

UE - Graphics Features - Aug 12, 2016

Volumetric Translucent Shadow has artifacts when using some nodes like noise when clamped between 0,1. This happens with other nodes as well. When using a basic alpha mask or constant value there ...

Using variations on the 'shot' console command closes iOS project on device

UE - Platform - Mobile - Jul 6, 2015

Using the console commands 'shot', 'highresshot 1' and 'highresshot 2' will crash to the 'recent apps' menu an ipa with Metal enabled. I tried this with 'Forward Rendering with Metal' disabled and u ...

Interpolators of Particle Dynamic Parameters Need "nointerpolation".

UE - Niagara - Aug 1, 2019

Regardless Niagara or Cascade, dynamic parameters for particles are passed to pixel shaders from vertex shaders via InterpolantsVSToPS. It can cause a precision error on some materials, for example ...

r.setRes does not Allow true fullscreen on Mac

UE - Platform - Apple - Oct 5, 2015

While playing in editor, executing the Console Command: "r.setRes 1920x1080wf" produces the exact same results as "r.setRes 1920x1080f" which is to create a fullscreen window with a border across th ...