Material billboards cannot be scaled

UE - Graphics Features - Oct 17, 2016

Material billboards cannot be scaled. The Material billboard appears to be unaffected by setting its scale ...

Setting ComponentTick as a Hide Category in an Actor Component Blueprint corrupts the BP and causes a crash when opened after an editor restart

UE - Gameplay - Components - Dec 2, 2015

Setting ComponentTick as a Hide Category in an Actor Component Blueprint corrupts the BP and causes a crash when opened after an editor restart. [Link Removed] Reproduced in 4.9.2 binary, 4.10.0 b ...

Blueprint viewport doesn't show the camera preview.

Tools - Feb 3, 2015

Blueprint viewport doesn't show the camera preview. ...

Shadows of small movable components popping out

UE - Graphics Features - Jan 19, 2017

This must be a regression ...

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 ...

IKeyArea::CreateCurveEditorModel is not adding custom property channel name.

UE - Anim - Sequencer - Nov 25, 2025

When you have a custom float channel and run the above, It works great if it's a regular 'MovieScene3DTransformSection' : LogPython: [ {channel_name: "Location.Y", section: "/Script/MovieSceneTrack ...

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 ...

Replicated variables defined in Actor Component blueprints do not actually replicate

UE - Networking - May 1, 2015

Replicated properties defined in an actor component blueprint are not being replicated because UActorComponent::GetLifetimeReplicatedProps isn't adding the blueprint properties to the OutLifetimePro ...