Memory leak when using Blueprint Debugger while inspecting a return value

UE - Gameplay - Blueprint - Mar 11, 2022

Potential memory leak when using Blueprint Debugger to inspect a return value multiple times while playing. User also reported this would cause a crash, but I didn't try to max out ram usage to trig ...

Niagara Fluids Plugin creates a memory reference of any saved level by only being active, before being actually used.

UE - Niagara - Aug 21, 2024

While Niagara Fluids Plugin is active it creates a memory reference of any saved level regardless of being actually used. Simply enabling the plugin shows a memory reference while deleting the level ...

Vertex Paint on Static Mesh Component in BP is lost on Packaged and Standalone Game

UE - Gameplay - Blueprint - Mar 10, 2016

BP Static Mesh Components are not retaining the vertex color applied to them in a level when you play in Standalone or Package a Project. You will get the correct results however when you PIE. Thi ...

Deleting console key does not persist

UE - Foundation - Core - Oct 23, 2014

When I go to the Input section of the Project Settings and change the key that the console is mapped to, when I restart the editor, there are now 2 bindings to the console. The default ~ mapping as ...

A camera set to Orthographic projection mode with a negative Ortho Width will crash the editor on PIE

UE - Graphics Features - Jan 22, 2015

A camera set to Orthographic projection mode with a negative Ortho Width will crash the editor on PIE. Reproduced in Main (CL-2412886) Crash Report: [Link Removed] Call Stack:<unknown module>! UE ...

Shape components have a Shape Material property that is never displayed

UE - Gameplay - Dec 17, 2014

Blueprint Shape components have a Shape Material property that can be set in its Details or via Get and Set functions in the Event Graph. These are never displayed in the viewport or during runtime ...

Depth Fade Particles are not rendered on iOS when Mobile HDR disabled

UE - Graphics Features - May 7, 2015

Depth Fade and Fresnel inputs in a Particle's Material will result in the particle not rendering unless Mobile HDR is checked true on an iOS device. Also Reproduced in Main Promotable-CL-2535351 S ...

Undo in Skeletal Mesh Editor causes model to disappear

UE - Gameplay - Nov 9, 2016

I can across this issue when I was Ad Hocing and wanted to pose a skeletal mesh in a certain way. I imported one into my project and moved a bone, then undo and it was gone. I wanted to check if it ...

Smoothing landscape removes landscape collision in smoothed areas

UE - LD & Modeling - Terrain - Landscape - Apr 27, 2016

Smoothing user's landscape breaks collision, causing player to fall through the ground at points that have been smoothed. Resampling landscape fixes the error until smooth tool is used again. Regr ...

Collections reset when the engine upgrades project

UE - Editor - Content Pipeline - Content Browser - Jul 8, 2015

When you upgrade your project to a new version of the engine, your Collections are deleted from the Collection setting. ...