Cannot Include VoiceInterface.h Without First Including OnlineSubsystem.h

UE - Networking - Nov 30, 2016

Including VoiceInterface.h causes compiling to fail until you include OnlineSubsystem.h in the same file. This is not expected because VoiceInterface.h is part of the OnlineSubsystem module which ...

MIDIDeviceController.h causes compilation errors when included in an external module

UE - Audio - Jan 16, 2017

When you attempt to access MIDIDeviceController.h in your own project, it'll fail when you include it. This is the main error, while the other is a syntax error: missing type specifier - int assume ...

Enabling "Support Deferred Rendering with Metal" Crashes on IOS device

UE - Platform - Mobile - Feb 8, 2017

After enabling "Support Deferred Rendering with Metal" and then launching to an IOS device (in this case iphone 6+) the game will no longer open and run. REGRESSION? Yes Worked in Binary 4.13.2 C ...

Material With Hair Shading Model Draws On Top Of SSAO

UE - Graphics Features - Feb 6, 2017

The Hair shader no longer allows ScreenSpace AO on areas of the screen it occupies. While in the Ambient Occlusion Visualizer it appears that the material draws on top of the SSAO. REGRESSION? Yes ...

MatineeFightScene too dark due to tonemapperfilm changes

Docs - Samples - Jan 31, 2017

MatineeFightScene is heavily dependent on the old Film settings in the tonemapper. Since 4.15 made changes to this, the scene is extremely dark. The project needs r.TonemapperFilm=0 added so that i ...

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 side of viewport renders black in stereoscopic

UE - Graphics Features - Jan 19, 2017

When in VR preview the right eye is solid black. This has been reproduced on multiple machines using both the Oculus and HTC Vive. The same effect is also achieved when running -emulatestereo – ...

SSL certificates for HTTPS are not properly verified on Windows

UE - Online - Feb 7, 2017

A user has reported that, due to a change that was made back before 4.12, SSL certificates for HTTPS are not verified correctly when building on Windows. This is due to the change requiring a bundle ...

Transform does not update after first time for Instance Static mesh in Blueprint Editor

UE - Gameplay - Blueprint Editor - Mar 2, 2017

In 4.15 When you update the transform of an instance static mesh a second time the editor does not update the location, to get the update to display correctly you must close and re-open the blueprin ...

Add button in Override Materials property is not responding.

Add button in Override Materials property is not responding in Skeletal Mesh > Rendering section in detail panel. This is not responding from 4.15 and above. ...