Console Command 'ModifySoundClass' is Unrecognized

UE - Audio - Mar 23, 2015

When running a game in the editor and using the Command Console 'ModifySoundClass', the console returns saying the command is unrecognized. It is my understanding, that even if you do not create ne ...

GPU Particle Freeze in Fullscreen PIE when Combined with Widget Blueprint using any Widget Element

UE - Graphics Features - Jun 27, 2016

Certain particle systems freeze when rendered in Fullscreen mode during PIE with Text Block added within Widget Blueprint. From what I could tell it is the GPU particles that are freezing. Note I n ...

Assets Using the SpeedTree in a material will render static shadows in Reflection Captures

UE - Graphics Features - May 26, 2015

When using a SpeedTree asset in a scene with a Reflection Capture actor the baked static shadow from an asset will be captured, even though the asset will not due to using the SpeedTree node in the ...

Calling a function that returns TWeakObjectPtr in blueprints causes crash

UE - Gameplay - Blueprint - Mar 20, 2015

Calling a code defined function in blueprints that returns a TWeakObjectPtr causes a crash. ...

2 GB/hr Memory Leak on levels that are not enclosed

UE - Graphics Features - Feb 19, 2016

2 GB/hr Memory Leak on maps with no Sky Sphere or Atmospheric Fog to occlude empty space. The leak also occurs during general usage, but was tested with a blank project and an absolutely blank leve ...

AddToPlayerScreen not filling of player screen by widget.

UE - Editor - UI Systems - Jun 21, 2019

At screen resolutions other than 16: 9, widgets added with AddToPlayerScreen can not be completely filled. The final size calculated by GameLayerManager seems to be incomplete. ...

"showdebug abilitysystem" shows incorrect attribute stats for debug target

UE - Gameplay - Mar 11, 2020

When using 'showdebug abilitysystem' and switching debug target actor with Page Up and Page Down. It will not change to show the debug attributes info for the new target. The debug will still only s ...

Uniform Static Mesh Sampling doesn't work on GPU Niagara Emitters

UE - Niagara - Aug 11, 2020

Uniform sampling of static meshes for GPU emitters does not work. ...

When creating an asset from an Emitter with a scratch module, changes to the new module will not propagate

UE - Niagara - Jun 21, 2021

A scratch module made in an emitter, will not reflect the changes of its new parent when an asset is crated from the emitter. ...