Blend Node performs Blend Time after being re-initialized with a different Active Value

Anim - Jul 10, 2017

Setup: Blend by Bool>Slot>Final Pose. Say the bool starts on true. While playing a Montage on the slot, flip the bool value to false. After the montage finishes, the blend node will start on true ...

BinnedMalloc and BinnedMalloc2 performance on Linux is not good

Core - Jun 8, 2017

This test took 13 seconds using Binned2 and 10 seconds using Binned1. It took 0.06 seconds using jemalloc ...

Editor Crashes When Attempting to Maximize Standalone Window While a Startup Movie is Playing

Tools - Jun 2, 2017

The editor is crashing when clicking the Maximize button on a standalone window when a startup movie is playing. ...

NavMesh Broken Between Two Adjacent Actors With Hierarchical Instance Static Mesh Component

Gameplay - AI - May 22, 2017

When Two adjacent actors with hierarchical instance static mesh component cross the tile bound of navmesh, navmesh is broken. In screenshot.png, above is the normal Static Meshs, bellow is the Actor ...

Mismatching Between Visual and Collision of Destructible Mesh Using Import FBX Chunk

When you use "import FBX chunk" function of destructible, Mismatching between visual and collision occur. ...

BokehDOFRecombine Incurs Cost Even While DOF Is Not Enabled

Rendering - May 17, 2017

While separate translucency is enabled DOFRecombine will incur a cost even when not using DOF (Scale of 0 or blur size of 0). Maybe we can check to see if those values are == 0 (meaning DOF is effec ...

[CrashReport] UE4Editor_Engine!UBlendSpaceBase::UpdatePreviewBasePose() [blendspacebase.cpp:1220]

Anim - Animation - May 11, 2017

This crash has been logged due to high frequency among our users. I have tested in 4.15.2 based on the user comments below, but have been unable to reproduce this issue. In my attempts the Blendspa ...

Shortcut(Ctrl+W) do a duplicate action in Blueprint Interface function list even if threre is no duplicate/copy action in the context menu.

Gameplay - Blueprint - May 10, 2017

Blueprint Interface functions have no duplicate/copy context menu but still shortcut (Ctrl+W) is working and making duplicated arguments. ...

Mesh Decal Material Influced By Emissive In Shader Complexity View Mode

Rendering - May 4, 2017

The emissive value influences how a mesh decal material appears in the shader complexity view mode. The value of 1 will register as white and .5 is pink. ...

A struct pin that contains a delegate does not assign default inputs to a custom event when the struct be has been split

Gameplay - Blueprint - May 3, 2017

A struct pin that contains a delegate does not assign default inputs to a custom event when the struct be has been split. In this example the Custom event is created without the default input pins n ...