Calling SetMassOverrideInKg in a constructor will crash the engine on launch

UE - Simulation - Physics - Feb 25, 2016

Calling SetMassOverrideInKg reaches back to a "check(GEngine)" call in BodyInstance.cpp (line 2998). B/c of this check, the engine will crash on load if SetMassOverrideInKg is called inside a class ...

ALight::Destroyed() doesn't call Super::Destroyed()

UE - Gameplay - Feb 25, 2016

A licensee mentioned that If you see ALight::Destroyed() in Engine\Source\Runtime\Engine\Private\Light.cpp, you can see Super::Destroyed() is't called in the function. ...

Deferred decals with negative scale are not rendered on screen

UE - Graphics Features - Feb 24, 2016

Decals that have a negative scale are invisible in the level. This occurs across all engine versions tested. 4.10 - 4.12. ...

Smart Links are Removed During Dynamic NavMesh Regeneration

UE - AI - Feb 24, 2016

Smart links disappear whenever the Nav Mesh regenerates while using Dynamic Runtime Generation. For example, if you have a dynamic object that is constantly moving and causing the Nav Mesh to rebuil ...

TRACKS: Modifying an animated actor with no keys doesn't update the defaults.

UE - Anim - Sequencer - Feb 24, 2016

When modifying the transform or properties of an animated object with no keys, the default values for the animation tracks should be updated. ...

Setting Standalone Window Sizes within Editor Preferences not working as Expected

Tools - Feb 24, 2016

While testing the 'Shot' command for a user on the AnswerHub, I discovered the reason for the incorrect resolutions of his screenshots, was due to the fact the 'Standalone' window resolution set wit ...

Real-Time Collision for Spline Mesh Not Working in Packaged Game

UE - LD & Modeling - Terrain - Landscape - Feb 23, 2016

When attempting to dynamically set the collision of a Spline Mesh component, the collision settings are not kept in a packaged game. Found in 4.10.4. Reproduced in 4.11 Preview 6 and Main CL 28772 ...

CL# 2858947 caused a crash when opening a BP in an existing project

UE - Gameplay - Blueprint - Feb 23, 2016

The character blueprint is in Content/Sarlack/Characters/SC_BaseCharacter.uasset. This blueprint is a child of a C++ file. Note from the person who sent me the project: "The skeletal meshes I am us ...

InterpToMovement Component Causes Crash During PIE

UE - Gameplay - Feb 23, 2016

When using an InterpToMovement component in a blueprint with the "Auto Update Tick Registration" and "Auto Register Updated Component" options unchecked, PIE will result in a crash. Found in 4.10. ...

Play Media Player Node Causes Blueprint Functions to be Uncallable

UE - Gameplay - Blueprint - Feb 23, 2016

This only occurs in standalone or a packaged game Having a Play Media Player node in a blueprint causes all of that blueprint's functions to become uncallable. Found in 4.11 Preview 5. Reproduced ...