Sound node concatenator doesn't work correctly with mixer sound node child.

Audio - Nov 30, 2015

Sound node concatenator doesn't properly work when one of the concatenator nodes is a mixer node. ...

PhysX Crash when spawning Instanced Static Mesh actors at Runtime

Physics - Destruction - Oct 13, 2015

Bug generated from crash reporter. This crash has been found in 4.7.6 and still occurs in 4.8.3 and 4.9.2 to users. One user in particular still, and he experiences it often. I have not been able ...

CharacterMovementComponent::ApplyRepulsionForce uses the BodyIndex incorrectly as a bone index

Physics - Oct 5, 2015

The code to extract the FBodyInstance from the overlapping component is incorrectly interpreting the Overlap.BodyIndex as a BoneIndex. This results in incorrect bodies getting the force applied, as ...

Binding the address from FSocketSubsystemIOS::GetLocalHostAddr fails on arm64 but works on armv7

Platform - Mobile - Jul 29, 2015

When trying to bind a socket to FSocketSubsystemIOS::GetLocalHostAddr, the bind call fails with EADDRNOTAVAIL if it's an arm64 build. The bind succeeds and everything appears to work as normal for a ...

FSlateApplication GetUserFocusedWidget (and others) needs bounds checking

Tools - Slate - Jul 27, 2015

(see udn link) GetUserFocusedWidget can crash when a player disconnects their controller as the index into the array goes out of bounds. HasUserFocus, HasUserFocusedDescendants may also have simila ...

[CrashReport] UE4Editor_Engine!FNetGUIDCache::GetObjectFromNetGUID() [packagemapclient.cpp:1876]

Networking - Jul 16, 2015

I loaded up a two player game in the 'play in editor'. Upon clicking into the client, the game crashed. Clicking into the server did not cause it to crash.I'm pretty sure this happened because I check ...

Rotation gizmo affects post processing and reflections in the scene

Tools - Jul 6, 2015

This has been around since public launch. The rotation widgets emissive material will cause trouble with the post processing and reflections in the scene. Especially troublesome if you with bloom an ...

[OPENGL]: Enable Subsurface Scattering

Tools - Jun 29, 2015

Subsurface scattering is disabled on all OpenGL platforms despite the shaders being properly translated & OpenGL platforms supporting the relevant CPU-side APIs. This also affected Metal for the WWD ...

When using object lit by the Indirect Lighting Cache sometimes the cache will not load correctly for movable objects when a level is streamed that contains a landscape

Tools - Landscape - Jun 26, 2015

When setting up a scene with a persistent level and any sublevel that contains a landscape that is loaded via load stream level node in the level BP can cause the ILC to not be correctly assigned fo ...

PhAT Editor Crashes Engine when Collision Changed

Physics - Jun 25, 2015

When you change a section of a Multi-Convex Collision to Slyph and then Select the other sections, Engine will crash.Shift-selecting deleted convex in physics assets causes crash(From PhAT) Tried to ...