Opening particle system crashes editor

UE - Graphics Features - Jan 27, 2016

Opening a specific particle system crashes the editor. If the particle system is used within a level and the level is played, the editor will crash with no callstack. Logs are attached. Frequency: ...

"Failed to Merge Bones" window can pop up repeatedly with no "...to all" option

OLD - Anim - Jul 6, 2015

User is experiencing a situation where he gets this window 200 times and no way to get out of it with a single click. ...

Crash when renaming assets from the Persona asset browser

Tools - Mar 3, 2015

Crash when renaming assets from the Persona asset browser [Link Removed] [Link Removed] LOG IS ATTACHED ...

Changing variable defaults in parent BP does not update changes in child

UE - Gameplay - Blueprint - Dec 9, 2014

The changes made to the values for a transform variable setup in a blueprint will not show up in a child BP until the yellow arrows is pressed to reset to default. Other variable types update autom ...

Possession acts differently depending on whether or not "Run as dedicated server" is checked if newly possessed pawn is spawned just before possession

UE - Gameplay - Mar 31, 2015

If a player on a dedicated server attempts to possess a feshly spawned pawn, the blueprint must have an unpossess node just before the possess node to be able to possess the pawn. This is not the ca ...

Turning off Apply Wind after switching tabs crashes editor

OLD - Anim - May 27, 2015

In the Skeletal Mesh editor, turning Show>Clothing>Apply Wind while switching tabs causes a crash. For example, turn it on while in the Mesh tab. Switch to Animation Tab and then back to Mesh. Turn ...

Project Launcher Back Icon Disappears when 'Use Small Toolbar Icons' is Enabled

Tools - Mar 31, 2015

With 'Use Small Toolbar Icons' checked in the 'Editor Preferences', the 'Back' button within the 'Project Launcher' disappears. The expected would for the button to get smaller and not vanish entir ...

Material Function CylindricalUVs is missing the Object Position

Docs - Samples - Sep 29, 2014

The Material Fucntion CylindricalUVs is missing the Object Position node ADDITIONAL NOTES: You can see the UVs wrapping around 0,0,0 without the position node attached, instead of the mesh's pos ...

Particle Sprites Location jumps when Engine delta time stutters

UE - Graphics Features - Feb 11, 2015

Particle Sprites will jump forward in level when engine delta time stutters due to a instant pushed rendering queue. [Link Removed] ...

Having a movable directional light on an Android device, will cause the shadows to show as inverted

UE - Platform - Mobile - Feb 3, 2015

If you make the Directional light in a level movable and then deploy to an Android device, the Shadows in the level will appear reversed when you glance around the level. Tested on a Nexus 5. Te ...