When it is greater than a Character Capsule's radius, SphereTraceByChannel is set to the origin location

UE - Simulation - Physics - Dec 6, 2017

When SphereTraceByChannel has a radius greater than the Character CapsuleComponent it causes the SphereTraceByChannel hitbox to register to the Character's origin point instead of the static mesh it ...

Hot Reload wipes all elements of UProperty TArrays in Blueprint subclasses

UE - Foundation - Cpp Tools - Hot Reload - Dec 5, 2017

Hot reloading a change that affects a class that contains a TArray UProperty will wipe all of the array elements of any Blueprint subclasses of that class. Regression?: Yes This does not occur in 4 ...

Properties on a child instanced class do not appear in the UMG Bind menu

UE - Editor - UI Systems - Dec 5, 2017

Currently, properties added to a native class in a derived blueprint class are not being recognized by the Bind menu on UserWidgets. The only way to make additional properties appear in this list is ...

Instance Static Mesh element not rendered if array element is removed and another is added

UE - Gameplay - Dec 5, 2017

Instance Static Mesh element is not rendered if array element is removed and another is added. The collision is still present and the instance count will still register as if the non-rendered elemen ...

Group movement distorts with scenes of different scale in actor blueprint

Tools - Dec 5, 2017

There is an issue with selecting multiple meshes that are children of different scenes when the scale is different than the default. moving the static meshes together causes them to move at differen ...

Hierarchical Instanced Static Mesh component culls before it is completely off screen

UE - Graphics Features - Dec 4, 2017

Hierarchical Instanced Static Mesh component culls before it is completely off screen. This only seems to happen with more than 3-4 instance elements. This also does not happen with Instanced Static ...

Crash when attempting to revert a Child blueprint from overriding its parent's function while it also has a child of its own

Tools - Dec 4, 2017

When reverting the change of overriding a function from a blueprint's parent, the editor will crash if that blueprint has a child of its own. Regression?: No This also occurred in 4.16 ...

When Importing Camera, Previously Imported Cameras' Focal Length is Overridden

UE - Anim - Sequencer - Dec 4, 2017

4.17 does not allow for camera import. If multiple cameras are imported into sequencer, all cameras Current Focal Length change to match the newest imported camera. Mentioning Jira: [Link Remove ...

Spline Mesh Component doesn't render if two spline points are directly above and below each other

Tools - Dec 1, 2017

Spline Mesh Component doesn't render if two spline points are placed exactly above and below each other. If they are offset by any value other than 0.0, the Spline Mesh component will be rendered as ...

Engine Scalability Foliage Quality not being applied automatically

UE - World Creation - Worldbuilding Tools - Foliage - Dec 1, 2017

Engine Scalability Settings for Foliage Quality are not applied to foliage meshes automatically. Found in 4.17.2 CL 3658906, 4.18.1 CL 3754814, and 4.19 Main ...