Stale VSM pages after HLOD transition

UE - Graphics Features - Shadows - May 23, 2024

Virtual Shadow Maps do not invalidate pages when HLODs replace meshes. This can lead to inconsistencies between the geometry and the shadows, which can cause artifacts as pages are invalidated. ...

Math Expression Node produces error if it calls a variable located within a hidden variable category

UE - Gameplay - Blueprint - Jan 29, 2016

The math expression node in blueprints does not recognize variables that have been hidden within a blueprint category. ...

LIVE: Reflection Capture are not working with moveable directional light on mobile

UE - Graphics Features - Nov 3, 2014

When a Directional Light is changed from static to movable, the materials in the level will appear dark. ...

Landscape incorrectly renders when camera clips through foliage while Playing in Editor

UE - LD & Modeling - Terrain - Landscape - Dec 1, 2014

Landscape sections disappear for a very brief time when the player camera clips through foliage quickly. ...

'Set Playback Position' node fires Timeline event even if 'Fire Events' is set to false

UE - Gameplay - Apr 30, 2015

'Set Playback Position' node fires Timeline event even if 'Fire Events' is set to false. User Description: Basically using the set playback position node to set a new time position for a timeline ...

MediaTexture do not show video when playing a movie using Media Player in some Android devices.

Media Framework - Feb 13, 2018

Movie Player do not seems to play movie in some android devices. [Link Removed] You can simply run the attached project in android devices to see the movie is played as expected. ...

Replace with child on subtree of the NamedSlot is broken after reloading a widget.

UE - Editor - UI Systems - Apr 5, 2021

"Replace with child" does not work well with the NamedSlot widget after reloading the widget blueprint in Contents Browser. ...

Const Blueprint Implementable Events don't update if const is removed from the native declaration

UE - Gameplay - Blueprint Editor - Oct 19, 2021

Constness is not updated in overridden BlueprintImplementableEvents when the native declaration is made non-const.  ...

Masked material using virtual textures covering a decal will result in black pixels

UE - Graphics Features - Nanite - Mar 31, 2025

Depth Passes for Masked Materials using Virtual Textures does not work correctly when it is in front of a Nanite Mesh and a Decal, resulting in black artifacts. Also tested on //UE5/Main, CL: 41024 ...

Assigning a Parent Socket of a component in a child bp also changes that socket for all children and the parent, then resets to the parent default on restart

UE - Gameplay - Blueprint - Sep 28, 2015

Assigning a Parent Socket of a component in a child bp also changes that socket for all children and the parent, then resets to the parent default on restart Description: Yesterday i noticed that ...