GPU Particle Freeze in Fullscreen PIE when Combined with Widget Blueprint using any Widget Element

UE - Graphics Features - Jun 27, 2016

Certain particle systems freeze when rendered in Fullscreen mode during PIE with Text Block added within Widget Blueprint. From what I could tell it is the GPU particles that are freezing. Note I n ...

Adding a macro graph through MyBlueprint and then calling undo causes a crash updating the macro tooltip.

UE - Gameplay - Blueprint - Dec 1, 2015

Undoing the creation of a new macro in MyBlueprint whilst displaying the new macro tooltip causes a crash trying to update the tooltip. ...

A Behavior Tree reference to a Blackboard Key will become invalid when the name of the Key is changed in the Blackboard

UE - AI - Oct 5, 2015

A Behavior Tree reference to a Blackboard Key will become invalid when the name of the Key is changed in the Blackboard. Clicking on the Behavior Tree node that references the key will update the ke ...

Changing the name of a variable that references a Blackboard Key inside a Task removes the Key reference inside the Task's node in the Behavior Tree

UE - Gameplay - Blueprint - Oct 5, 2015

Changing the name of a variable that references a Blackboard Key inside a Task removes the Key reference inside the Task's node in the Behavior Tree. Clicking on the Behavior Tree's Task node that r ...

Exporting LOD's from editor only gives LOD0

Tools - Oct 6, 2015

Can't export more than one LOD level from editor. ...

Media Player Asset not Playing in Packaged Game

Media Framework - Jun 22, 2016

Media asset fails to play in packaged game. There was a bug entered [Link Removed] which is similar, but dealt with standalone play mode as well. The standalone issue seems to have been fixed since ...

Motion Blur Appears Exaggerated with Planar Reflection Actor in Level and Accurate Velocities Setting Enabled

UE - Graphics Features - Jun 8, 2016

Motion blur seems exaggerated with a Planar Reflection Actor placed in the Level and the Support Accurate Velocities from Vertex Deformation setting enabled. I am assuming this is happening becaus ...

ios launch fail after upgrading to 4.7.1, provision not found, signing key not found

UE - Platform - Mobile - Mar 2, 2015

Customers that have never or have created an incorrect bundle identifier will fail to package for iphone. People who have wildcard provisions will work. ...

Using copy and paste twice with a button named "<" with a child attached to it of text name ">" will cause a crash

UE - Editor - UI Systems - Mar 2, 2015

The user can use special character when naming widgets in widget blueprints which can cause some issues. In this case naming a button "<" and adding a child text block to the button named ">" will c ...

"Rendering Settings->Do Not Clear Scene" causes visual artifacts in editor panels

UE - Graphics Features - Dec 4, 2014

Setting Project Settings->Rendering->Optimization->Clear Scene to "Do not clear" prevents the scene from clearing even in editor window viewports, such as the Components tab of Blueprints and the Pr ...