Behavior tree observers are not added when search fails

UE - AI - May 25, 2016

Check UDN for repro tree setup, it should be visible on something like: root selector (decorator on key A, abort lower pri) child1: selector1 child2: sequence1 selector1 (decorator on key B, abort ...

Toggling SetSimulatePhysics state on a Primitive component with a child PrimitiveComponent leaks PxShapes

UE - Simulation - Physics - May 23, 2016

FBodyInstance::Weld did not check to see whether or not child components were already welded to a parent. This meant that whenever Weld was called, ShapeToBodiesMap would continue to grow in size, e ...

All Classes Tab of Modes Panel Not Updating Automatically

Tools - Jun 2, 2016

Blueprints are not appearing in the All Classes tab of the modes panel after being loaded until the tab is switched. Found in 4.12 binary. Reproduced in 4.11.2 binary and Main CL 2994701. ...

Animation Orientation does not Auto-Convert to UE4 Coordinates when Reimporting

OLD - Anim - Nov 23, 2015

Animation orientation does not auto-convert to UE4 coordinates when reimporting the same way it does when importing the same animation as a new import. In other words, a run animation generated from ...

Setting ComponentTick as a Hide Category in an Actor Component Blueprint corrupts the BP and causes a crash when opened after an editor restart

UE - Gameplay - Components - Dec 2, 2015

Setting ComponentTick as a Hide Category in an Actor Component Blueprint corrupts the BP and causes a crash when opened after an editor restart. [Link Removed] Reproduced in 4.9.2 binary, 4.10.0 b ...

Unable to add classes to the ShooterGameLoadingScreen module

Tools - Apr 7, 2016

A licensee reported an issue of not being able to add a new class to the ShooterGameLoadingScreen module inside of Shooter Game. It tends to give more output errors when in a Source built editor rat ...

VisualLog redirections are broken after PIE finishes

UE - AI - Sep 9, 2015

Visual logger cleanup should remove only redirections registered from that single world, leaving others intact (e.g. created for editor world) ...

Floating point inaccuracies when moving actors in the level viewport

Tools - Apr 25, 2016

some floating point inaccuracy appear to influence actor positions when moving actors back and forth in only one axis in the level viewport. It is especially noticeable when the actors are far from ...

Memory leak when opening and closing blueprints

When opening and closing blueprints within the editor, the memory continues to go up and doesn't seem to release the memory once the blueprint editor is closed. ...

Destructible attached with a Physics Constraint have inconsistent physics

UE - Simulation - Physics - Destruction - Jul 26, 2016

Destructible attached with a Physics Constraint have inconsistent physics compared to a standard Static Mesh. This is also sometimes prevalent with Destructibles that aren't attached with a Physics ...