Alt tabbing into the Blueprint Editor while a Microsoft IME keyboard is active causes the editor to freeze

Tools - May 15, 2017

If you change focus to the Blueprint Editor (Alt+tab) while a Microsoft IME keyboard is active, the editor will freeze for a short time. The duration of the freeze is dependent on the number of blue ...

Procedural mesh loses collision when the "Add Procedural Mesh Component" node is copy&pasted (BodySetup is marked Instanced)

UE - Gameplay - Blueprint - May 15, 2017

Procedural mesh loses collision when the "Add Procedural Mesh Component" node is copy&pasted. In this example the generated box appears to lose collision once an "Add procedural mesh component" node ...

Crash when setting a named slot widget's name to be the same as another named slot widget

UE - Editor - UI Systems - May 16, 2017

Crash when setting a named slot widget's name to be the same as another named slot widget ...

Plugin Type breaks XCode syntax hightlighting

UE - Platform - Apple - May 16, 2017

Setting a plugin module's type to "Editor" causes syntax highlighting in XCode to break for .cpp files in that module. Setting the type back to Runtime fixes the behavior ...

Get Instances Overlap returns overlap outside of collision bounds

OLD - Anim - May 17, 2017

Get Instances Overlap returns overlap outside of the collision bounds. This effects the Instanced Overlapping Box and Sphere. It is also reproducible with engine assets replacing the Fencing mesh. ...

Editor crashes when opening a project that has a variable in a Blueprint function with the same name as a different replicated variable in the Blueprint's parent code class

UE - Gameplay - Blueprint - May 17, 2017

If a replicated property in a parent code class has the same name as a variable contained within a function of a Blueprint that derives from that parent class, the Editor will crash while attempting ...

Particle emitter Depth Fade node isn't accurate on iOS

UE - Platform - Mobile - May 18, 2017

Particle emitter Depth Fade node isn't accurate on iOS. When set to a normal value (around 100) it will fade out at about 65,000 units away from the particle. Licensee Description: we use a partic ...

Noticeable Audio Pop when Opening a New Level after Spawning and Playing a Sound with Volume Multiplayer at 0.0

UE - Audio - May 18, 2017

A licensee is reporting an audible pop when transitioning between levels with a sound spawned and playing at volume multiplier of 0.0. The original report was a discrepancy between the old audio en ...

Material Preview for Post Process Material Does not display in Material Editor

UE - Graphics Features - May 19, 2017

In the Material editor for when working with a Post Process Material, the material does not appear in the preview window. Regression: This issue does not occur in 4.15.2 Binary Builds ...

Loss in Specularity on Skin Shading when Shadowed by Indirect Capsule Shadows using r.sss.checkerboard 0

UE - Graphics Features - May 23, 2017

A licensee is reporting incorrect or over exaggerated loss of specularity on the Subsurface skin shading model when shadowed by indirect capsule shadows, and then modifying the r.sss.checkerboard se ...