Unreal Engine Issues
Unreal Engine Issues
Stale VSM pages after HLOD transition
UE - Graphics Features - Shadows - May 23, 2024Virtual 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. ...
LIVE: Reflection Capture are not working with moveable directional light on mobile
UE - Graphics Features - Nov 3, 2014When 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, 2014Landscape 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, 2018Movie 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, 2021Constness 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, 2025Depth 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 ...
Regression for UPROPERTY specifier causing crash ("Template Mismatch during attachment") during PIE
UE - Foundation - Core - Jun 19, 2015If the UPROPERTY() specifier "VisibleDefaultsOnly" or "EditDefaultsOnly" is used on a component reference that is attached to the root component selecting the actor with this component in the world ...
Hot Reload crash with Scene Component tied to Actor class
UE - Foundation - Core - Feb 19, 2015After creating a Scene Component code class and an Actor code class, creating a reference to the SceneComponent in the Actor class constructor will cause a crash on hot reload in the editor. ...