Crash Occurs Enabling new Audio Mixer with Audio Devices Disabled

UE - Audio - May 25, 2017

If a user has all their audio devices disabled, and then enables the new audio mixer for 4.16, a crash occurs when trying to launch any new or existing project. This is a regression as this crash d ...

Strange Behavior for LayeredBlendPerBone when Blend Pose 0 and 1 are in the same hierarchy

OLD - Anim - May 25, 2017

With Layered Blend Per Bone, if the bone for Blend Pose 1 is in the hierarchy below the bone for Blend Pose 0, then the Blend Weights have some odd behavior. Blend Pose 0 = root Blend Pose 1 = spin ...

FVector::Normalize does not set Vector to (0,0,0) upon failure, as described

UE - Foundation - Core - May 24, 2017

The FVector::Normalize function states in its comment that if given a vector that is too small to be normalized, it will set it to 0,0,0 and return false. The function only returns false and does no ...

Local Variable loses value after reference moves file location

UE - Gameplay - Blueprint - May 23, 2017

Local Variable loses value after reference moves file locations. This does not just affect construction scripts, following these steps with a function instead produced the same result. This issue do ...

Cannot add to Override Materials array of a Static Mesh Component

UE - Graphics Features - May 23, 2017

Materials cannot be added to the Override Materials array in a static mesh component because attempting to add elements to the array fails. Regression: Yes - using the plus button to add to the arr ...

Crash occurs from change of inner struct value with TMap variable of outer struct

UE - Gameplay - Blueprint - May 22, 2017

A crash occurs from the change of inner struct value with TMap variable of an outer struct. This crash does not occur if you change the variable type as a substitution for the last step. Regression ...

Self Reference allowed as input for function with pass by reference on creation, which will crash when executed

UE - Gameplay - Blueprint - May 22, 2017

There is an issue when using self references with functions as an input. With pass by references on a function, the input has it checked by default; however, a self reference can still be hooked in ...

Soft Contraint's Stiffness and Damping settings don't affect anything

UE - Simulation - Physics - May 19, 2017

The settings for "Stiffness" and "Damping" in the Soft Constraint setting for Physics Constraints doesn't seem to have an effect on anything. Regression?: No This also occurred in 4.14 ...

Sweep result from AddActorWorldOffset is inconsistent following direction when the actor is initially overlapped with other object.

UE - Simulation - Physics - May 19, 2017

Sweep result is not consistent when there is initial overlap but the x sign(+/-) is not same. I believe this issue is related to [Link Removed] So this leads to inconsistent behavior in the TwinSti ...

Editor crash when spawning character from template

UE - Gameplay - Components - May 18, 2017

Spawning a character using an existing character as a template causes the spawned character to inherit the animation of the original and may lead to a crash. This appears to be unique to character ...