Function call inputs do not revert to their Default Values if a variable node is connected and then disconnected

UE - Gameplay - Blueprint - Aug 3, 2015

Function call inputs do not revert to their Default Values if a variable node is connected and then disconnected. Refreshing the call node does not reset the inputs to their defaults. Reproduced in ...

When move selected foliage to level, Foliage can not move to level.

UE - World Creation - Worldbuilding Tools - Foliage - Jul 18, 2017

With 4.15, I can move Foliage to "Sublevel B", but I can not move it with 4.16. It seems to be affected by the update in 4.16 (New: When moving a foliage asset to a new level, you will now be prompt ...

Apex Destructible meshes are disappearing at certain distances during Runtime.

UE - Simulation - Physics - Destruction - May 13, 2021

Green spheres at "4.3 - Destructible Assets" flash in an out of view. Can not be viewed on the left of the spheres.When playable play is close to the spheres they disappear no matter the position.Gre ...

Filtering a Curve with Fourier Transform (FFT) with the Response set to Chebyshev crashes the editor

UE - Anim - Sequencer - Mar 19, 2021

When creating a Curve and filtering the keys with a Fourier Transform, the engine crashes. The engine doesn't crash when the Bake, Euler, or Simplify options. It only crashes if there are a minimum ...

Crash when generating mip maps for texture

UE - Graphics Features - Dec 23, 2019

Generating mip maps results in crash and seems to duplicated 1x1 mip level. NOTE: The bug was originally reported in 4.23.1, however, for some reason I was able to open the texture in 4.23.1 afte ...

Collision is not generated for Planes

UE - Gameplay - Jan 30, 2017

Single Planes do not generate collision on import or with the Convex Decomposition window. Workaround: box Collision can be added via the Collision > Add Box Simplified Collision. I checked as fa ...

Steam Overlay does not show in Win64 Shipping builds when run outside of Steam

UE - Networking - Nov 11, 2015

Steam Overlay does not show in Win64 Shipping builds when run outside of Steam. The Steam client can be running, but unless the .exe is opened through Steam itself, the Overlay will not appear. Note ...

Creating a Blueprint out of existing Blueprints removes all assigned Static Meshes from components

UE - Gameplay - Blueprint - Aug 11, 2015

Creating a Blueprint out of existing Blueprints removes all assigned Static Meshes from components. Reproduced in 4.8.3 binary, 4.9 Releases (//depot/UE4-Releases/4.9/Promotable-CL-2650750), and Ma ...

When Adding Custom Bindings, get ensure that "Multiple persistent shared references detected for Sequencer..."

zComponent - Archive - Nov 17, 2025

Ensure: Error    LogOutputDevice      Ensure condition failed: SequencerRefCount == 1 [Link Removed] [Line: 967]  1. Error    LogOutputDevice      Multiple persistent shared references detected f ...

Cannot get CookedFFTData from an Audio Component in a packaged build

UE - Audio - Jul 11, 2019

When trying to get CookedFFTData from an audio component in a packaged build it fails despite working in the Editor. This also occurs when you package the project from File->Package Project->Windows ...