Destructibles cannot reassign mesh in Level details panel if a Blueprint

UE - Simulation - Physics - Destruction - Dec 9, 2016

Blueprints with a Destructible Mesh component cannot have the mesh changed via the level details panel. It will not accept any new mesh via selection or dragged onto the slot. The Blueprint itself e ...

Crash on iOS9 when using Apple's CFNetwork library

UE - Platform - Mobile - Dec 6, 2016

Many clients have hit a crash due to an Apple library using operator delete on a memory block that was not allocated with operator new. This happens with the following callstack on iOS9 in UE4.13 o ...

Inconsistent Prioritization of Navigation Modifiers

UE - AI - Dec 12, 2016

When working with Nav Modifiers in a level that contains objects that have a custom Nav Area class, the prioritization of the modifiers is not consistent. If you notice in the attached project, so ...

Collision Not Working on Dynamically Spawned Objects While Using 'Cook Blueprint Component Data for Faster Instancing at Runtime'

UE - Gameplay - Blueprint - Dec 13, 2016

Dynamically spawned objects' collision does not seem to be working in a packaged game when the Cook Blueprint Component Data for Faster Instancing at Runtime option is enabled. Found in 4.14.1. Un ...

Mouse capture gets caught by default created PlayerController

UE - Editor - UI Systems - Slate - Dec 12, 2016

In PIE games, it looks like this may be caused by the window immediately taking control of the mouse and setting up focus. In networked games, clients call ULocalPlayer::SpawnPlayActor which will c ...

Launching HTML5 from Project Launcher causes an error

UE - Platform - Mobile - Dec 13, 2016

Projects launched from project launcher are receiving an expression error on Google Chrome and FireFox. ...

GPU Particles Do Not Use Local Space For Axis Lock

UE - Niagara - Dec 14, 2016

When using local in an emitter GPU sprites won't honor this setting with the lock axis module. ...

Bone Hierarchy not updated when reimporting skeletal mesh

UE - Editor - Content Pipeline - Import and Export - Dec 14, 2016

Bone Hierarchy not updated when reimporting skeletal mesh. Now, I get that updating the skeleton hierarchy could be disastrous if you had another mesh using the same skeleton and that it'd be reall ...

Auto Reimport crash with some file paths

UE - Editor - Content Pipeline - Import and Export - Dec 14, 2016

Auto Reimport source paths can cause a crash with the editor. I couldn't narrow down in my limited testing what would cause the crash vs what would not with these file paths. The one in my attached ...

SkelMesh Component > Anim Class does not handle identical AnimBP names

OLD - Anim - Dec 15, 2016

Blueprint SkelMesh Component > Anim Class does not handle identical AnimBP names. Some background is that the identically named ABP was retargeted to the Headless mannequin in this project. Workar ...