Get World Delta Seconds Not Pausing When Hitting a Breakpoint

UE - Gameplay - Blueprint - Feb 11, 2016

When debugging a blueprint using breakpoints, if you click the Resume button while you have Get World Delta Seconds running on tick, it will always return a maximum clamped value of .4 seconds (or l ...

Premature prompt with failed import when Importing LOD Level for Skeletal Mesh

UE - Editor - Content Pipeline - Import and Export - Apr 7, 2016

When importing a LOD Level for Skeletal Meshes, the user is greeted with a windows directory window and a message that states "Failed to import mesh for LOD level 1" As the user states, this is a s ...

Morph Targets in Skeletal Mesh LODs do not behave correctly

OLD - Anim - May 18, 2016

Morph Targets in Skeletal Mesh LODs do not behave correctly This is a REGRESSION, does not occur in 4.11 ...

An Actor Reference will reset to a None when referencing a ChildActor

UE - Gameplay - Feb 11, 2016

A blueprint with an Actor Reference will reset to a None value on compile or stopping PIE User Description: We have come across a bug with the editor regarding setting direct references to child a ...

Setting Auto Possess AI to "Spawned" or "Placed in World or Spawned" will play falling animation

UE - Gameplay - Player Movement - Sep 3, 2015

If the Auto Possess AI is set to Spawned or Placed in World or Spawned then the falling animation will play in the blueprint viewport. ...

Editor crash when spawning/cloning a static mesh actor

UE - Gameplay - Sep 10, 2015

Setting a FActorSpawnParameters' variable's Template to "this" and then spawning an instance of the static mesh actor using the parameter causes the editor to crash. ...

Cannot Dynamically Spawn Actor Containing Overlapping Child Actor Components

UE - Gameplay - Mar 8, 2016

Blueprints containing child actor components that are overlapping in the blueprint's viewport cannot be used as the default pawn, as they are not spawned in. Using the Spawn Actor From Class node wo ...

Crash when opening blueprint with collapsed nodes with structure output, split pin

UE - Gameplay - Blueprint - Jan 25, 2017

If you have a collapsed graph with user defined structure as output, and if the output pin is split, the BP always crashes the editor after you reopening the project. This can also happen in level b ...

Foliage Positions become Offset when Moving and Undoing Painted Surfaces

UE - World Creation - Worldbuilding Tools - Foliage - Feb 10, 2017

A series of moving and undoing a surface which has foliage painted on it will offset the location of the foliage so that it no longer remains in the correct relative location. ...

Crash when element is added to a map variable with unhashable key

UE - Gameplay - Mar 21, 2017

Crash when element is added to a map variable with unhashable key. An error is thrown on compile but an element can still be added under the Details panel of the variable. Crash Reporter: [Link Rem ...