Media playback isnt working with Android

UE - Platform - Mobile - Apr 12, 2017

Looks like we've got a report that media playback doesn't work with ES3.1. I'm going to say this is due to the OpenGL context used and possibly the shaders compiled? It was written for ES2 of cour ...

Daydream "Quit Game" node returns to homescreen of device instead of Daydream VR home

UE - Platform - XR - Feb 14, 2019

Google App store rejects UE4 apps with the response: "App switches to a 2-dimensional view unexpectedly When in VR, your app should never display any 2D images. For more information and examples, p ...

Mass is not calculated if an object's Collision Enabled field is set to No Physics Collision even when Simulating Physics

UE - Foundation - Core - May 22, 2015

If an actor has 'Simulate physics' enabled and the Collision Enabled field is set to anything other than Collision Enabled (i.e. OverlapAll sets this to No Physics Collision) then mass is reset to 1 ...

Editor hits Asserts when trying to use debug rendering such as ShowFlag.LODColoration

UE - Rendering Architecture - RHI - Sep 22, 2020

The assert in BasePassRendering.cpp:693 fires, crashing to desktop when using this console command in the editor, in PIE, and closes out the window when playing in Standalone. Does not crash when us ...

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. ...