Binding a tool tip in UMG to a text variable will not work unless the tool tip already has a default value

Tools - UMG - Apr 3, 2015

A tool tip that has been given a binding will not show up unless the tool tip has been given a default value. ...

Screen Space Ambient Occlusion Artifacts

Docs - Samples - Apr 3, 2015

Flickering occurs when using the Post Process Ambient Occlusion (Screen Space AO). This is more noticeable when using stronger values entered into the AO fields. I checked these settings in both 4 ...

Metal - Support 32bit index buffers

Rendering - Apr 3, 2015

Metal is not taking the non-uniform buffer path for GPU skinning. ...

Multiplayer Shootout project sample is crashing on start

Docs - Samples - Apr 3, 2015

The project sample Multiplayer Shootout in the Learn tab is crashing on start up with 4.7.4 Crash does not occur on 4.8. Tested by Patrick.D on Main CL-2498147 Pass in 4.7.5 dev. - CKC 2503383 ...

MaterialCurve of AnimSequence is not working with LOD 1~ if assigned Material manually

Anim - Animation - Apr 3, 2015

MaterialCurve of AnimSequence is not working with LOD 1~ if assigned Material manually. Assigning material to LOD0 seems sharing material info with other LODs but material info is never shared if as ...

Instanced Static Meshes Incorrect Normals when Scaled Non-Uniformly

Tools - Foliage - Apr 2, 2015

When comparing the World Normals of an Instanced Static Mesh being scaled non-uniformly to that of a regular Static Mesh, their normals do not match one another. I have attempted to look over the d ...

The "Get Input Touch state" node does not return false for the "Is Currently Pressed" pin when dragging of screen

Gameplay - Input - Apr 2, 2015

If the user presses down and drags off screen without lifting their finger/releasing mouse button then the "Get Input Touch State" node does not return false (for the Is Currently pressed pin). It c ...

Multigates only fire the first output when inside a function

Gameplay - Blueprint - Apr 2, 2015

Multigates only fire the first output when inside a function. The same setup in the Event Graph will function as intended. Reproduced in 4.7.4 binary and Main (//depot/UE4/Promotable-CL-2498147) ...

Attaching New Camera Actor to Spring Arm Component does not set the Location Correctly

Gameplay - Blueprint - Apr 2, 2015

After adding a new Camera Actor Component within Blueprints to an existing Spring Arm Component, the Camera Component adopts the location settings , but does not set its location within the viewport ...

Multithreading Race Condition Crash with Anim Montages

Anim - Animation - Apr 2, 2015

Basically, the problem is that the Main Thread is able to run AActor::Tick() (including Blueprint Tick Events) at the same time that the animation system is running functions such as UAnimInstance:: ...