Collision Preset Cannot Be Changed On an Actor Containing a Scaled Root Component

UE - Gameplay - Jan 15, 2016

In an actor that contains a scaled root component, it is not possible to change the collision presets on an instance of that actor if you are using the Viewport's Details panel. However, in the blue ...

The Spawn Actor from Class node outputs an Actor reference when a Select node is attached to the Class input, even if both options are of the same child type

UE - Gameplay - Blueprint - Jun 18, 2015

The Spawn Actor from Class node outputs an Actor reference when a Select node is attached to the Class input, even if both options are of the same child type. For example, if two Characters are the ...

Spawning Component with Exposed on Spawn Variables Returns Incorrect Owner

UE - Gameplay - Components - Jan 12, 2016

Attempting to get the owner of an Actor Component that contains an exposed variable will return the Spawner blueprint's display name instead of the Spawned Actor it is added to. Found in 4.10.2 bin ...

Editor movement control regression

Tools - Jul 8, 2015

Using Ctrl+Drag in 4.8 will not affect the location of selected actor if the viewport camera is facing away from selected actor. In 4.7.6 the actor would travel along the X axis even if the camera ...

Overlapping isn't updated on replicated components after SetWorldTransform

UE - Networking - Dec 10, 2015

Overlapping isn't updated on replicated components after SetWorldTransform. Updating the transform on the Actor itself updates the overlapping as expected. Reproduced in 4.10 and Main (CL# 2798114) ...

Sidescroller Character Gets Stuck on Platform Edges When Moving on Tick

UE - Gameplay - Player Movement - Nov 2, 2015

When converting the character movement in the sidescroller template to occur on Tick instead of key press, the character will begin to run, and then get slightly hung up on the edge of the platform ...

Blueprint Billboard Components render Opaque in Editor but Translucent during PIE

UE - Graphics Features - Jan 28, 2016

Billboard components render translucent during play, but render opaque within the editor. Simply adding a billboard as a component to a new actor blueprint and placing it in the level will reproduce ...

GetActorsPerception useless in 4.7

UE - AI - Mar 11, 2015

The new AI Perception system's BP API, marketed in release notes, depends on UAIPerceptionComponent::GetActorsPerception, that, as one AnswerHub user points out, is useless due to a buggy condition ...

Line trace fails to detect Destructible Mesh

UE - Simulation - Physics - Destruction - Jun 15, 2015

When using a line trace in the construction script so that objects can return a value destructible meshes will not return a hit. This does not affect use in game with PIE or Standalone game, but if ...

SetActorEnableCollision does not affect Destructible meshes

UE - Simulation - Physics - Destruction - Jan 4, 2016

Setting the SetActorEnableCollision blueprint node to false does not disable collision for a destructible mesh. Workaround: Adding a static Mesh component and setting any mesh will cause the collis ...