NotBoolean node is broken in specific projects for State Machine Transitions

OLD - Anim - Oct 14, 2015

In the attached project, you'll find the NewChar_AnimBP. In the state machine, there is a "NotBoolean" node in the JumpingToFallingLoop transition that appears to be broken. At first, the NotBoo ...

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. ...

Root Motion Not Working with Multiple Slots

OLD - Anim - Jul 27, 2015

When a montage containing two slots each containing animations with root motion is played in editor: When the first slot selected, root motion functions properly with the animation. When the sec ...

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 ...

Attached actor rotates incorrectly if the parent has negative scaling on one axis and more than 1.0 scaling on another

UE - Gameplay - Dec 27, 2016

A child actor rotates incorrectly if the parent has negative scaling on one axis and more than 1.0 scaling on another. The child/parent relationship was created through the World Outliner. Licensee ...

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 ...

Instanced Widget Property is not saved after compile if marked as EditInlineNew

UE - Editor - UI Systems - Aug 2, 2017

When an EditInlineNew Instanced property exists within a nested user widget, changes to the property are not saved after compiling the widget blueprint in the editor. ...

Refraction broken when using material function

UE - Graphics Features - Aug 10, 2021

Licensee has provided a BP workaround ...

Using Scene Capture 2D with a movable Skylight will cause a crash

UE - Graphics Features - May 11, 2015

When placing a Scene Capture 2D with an assigned Render Target Texture and using a movable Skylight the editor will crash. [Link Removed] ...

Volumetric Translucent Shadows will only work if you select the mesh, doesn't show up in game

UE - Graphics Features - Aug 18, 2015

When using Volumetric Translucent Shadows for static meshes the shadows will only work if the mesh is selected. When the mesh is deselected it will not render. This worked in 4.8.3, but is broken ...