Having more than one Show or Hide Toggle in Matinee Visibility Track causes a compile error in Level Blueprint

UE - Gameplay - Blueprint - Jan 5, 2015

Having a Matinee Controller in the Level Blueprint and a Visibility Track with multiple Show and Hides will cause a compile error in the Level Blueprint. ...

Non-Power of 2 images are not rendering on iOS devices

UE - Platform - Mobile - Feb 2, 2015

If you create a UMG with an image in the Umg that is not a power of 2, The image will not appear on an iOS device. Tested this on a Android device (Nexus 5 with ETC1 and ATC. PVRTC will not allow t ...

Entering 'Show Collision' for a project and then 'Quit' via the console command, you will receive an crash

UE - Graphics Features - May 13, 2015

Once a project is packaged, If you enter the console command 'Show Collision' and the 'Quit', the project will crash upon closing. This is only occurring in a packaged project and not happening whe ...

Incorrect Root Motion Rotation on AnimSequences created with Sequence Recorder

UE - Anim - Sequencer - Aug 11, 2016

Incorrect Root Motion Rotation on AnimSequences created with Sequence Recorder ...

Using shortcut to find actor reference in level blueprint opens additional eventgraph windows in level blueprint editor

UE - Gameplay - Blueprint - Feb 24, 2016

Using shortcut to find actor reference in level blueprint opens additional Eventgraph windows in level blueprint editor despite the event graph containing the reference being open already. ...

Blueprint Implementable Events and Event dispatchers with the same name break the event dispatcher.

UE - Gameplay - Blueprint - Sep 22, 2015

Creating an event dispatcher and BlueprintImplementableEvent function with the same names causes a signature conflict inside the blueprint. The event dispatcher is then broken as it cannot be delet ...

Emissive for Static Lighting discarded upon Re-opening Level or Restarting Project

UE - Graphics Features - May 24, 2016

'Emissive for Static Lighting' discarded when restarting or re-opening a project. I discovered this issue while testing [Link Removed]. This issue does not occur in the binary 4.11 release so I hav ...

Using FObjectFinder outside of the constructor causes crash

UE - Foundation - Core - May 19, 2015

If FObjectFinder is used in a function other than the constructor, which should not be done, it causes a crash. ...

A static object using 'Complex as simple' collision will not collide with a dynamic object that is simulating physics

UE - Simulation - Physics - May 20, 2015

If a static object has 'Use Complex collision as simple' set as its collision type, it'll collide with a player but will not collide with objects that are dynamically simulating physics. ...

Print String node will stop printing to the screen if PIE is exited while Gameplay Debugger is active

UE - Gameplay - Feb 15, 2017

Print String node will stop printing to the screen if PIE is exited while Gameplay Debugger is active. Restarting the editor fixes the issue. ...