When a fixed delta time step of 0.02 or higher is used with some skeletal mesh objects, rotational forces applied using AddTorque have no affect on the skeletal mesh.

UE - Simulation - Physics - Jan 27, 2015

Using AddTorque to apply a rotation to a skeletal mesh does not always provide the expected results if a fixed time step is being used. When doing this to the Owen character in the Content Examples ...

Comment Box in Blueprints does not Drag Entire Contents

UE - Gameplay - Blueprint - Oct 29, 2014

When zoomed in too close (or zoomed out too far) to a Comment Box in a Blueprint and all of it's contents are not on screen, when the Comment Box is selected and moved, the entire contents of the Co ...

Cannot reference Branch point in CharacterAnimBP event graph

OLD - Anim - Dec 22, 2014

In CharacterAnimBP: After creating a new montage branch point you cannot reference it in the CharacterAnimBP’s Event graph until you close and restart the editor. ...

Setting PHYSX_MEMORY_STATS to 1 prevents the Engine from being built successfully.

UE - Simulation - Physics - Mar 9, 2015

If #define PHYSX_MEMORY_STATS 0 is set to 1, the Engine will not build successfully. The build fails with the message: error C2338: FPhysXAllocationHeader size must be less than 16 bytes. ...

Blueprint icon flashes when hovered over

UE - Editor - Content Pipeline - Content Browser - Mar 24, 2015

Blueprint icon flashes constantly when mouse is hovering over it; this only occurs with a specific type of blueprint class. . Branch: Binary, from Launcher . Build Version: 4.7.3 . Description: T ...

Nodes unavailable branching off Get Player Controller Unless Context Sensitive is unchecked

UE - Gameplay - Blueprint - Oct 23, 2014

In a project in UE4.5, when opening an animation blueprint, in the Event Graph when the player branches off the "Get Player Controller" node to search for "Get Mouse Position" it will not be shown i ...

.ini files for packaged games have their settings wiped clean every time the game is run.

The settings .ini files for games packaged for windows appear to be getting overwritten with blank files whenever the game is run. Even if settings are added to the .ini files manually, the files be ...

User crashes during play/save/open project in UE 4.6.1

UE - Gameplay - Blueprint - Feb 25, 2015

User reports crashing upon open, saving or playing their project in 4.6.1 in Binary. Assertion failed: TargetDelegate [Link Removed] [Line: 5407] ...

Investigate code in SViewport.cpp that makes use of TWeakPtr's to see if it can be altered to better protect against a possible crash.

Tools - Aug 31, 2015

A user reported a one-time crash that possibly occurred when a TWeakPtr became invalid immediately after passing an IsValid check, before the TWeakPtr could be used. The SViewport.cpp file contains ...

Errors when reorganizing marketplace assets into a project hierarchy

UE - Editor - Content Pipeline - Content Browser - May 21, 2015

When adding assets to your projects from the vault, moving the new assets to new sub folders will cause issues when trying to delete the folders from the content browser. ...