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. ...
Timeline functions do not work inside of Blueprint functions
UE - Gameplay - Blueprint - Dec 20, 2014I could not repro their issue in main. They supposedly recently upgraded to 4.5. I was wondering if you could divide an conquer, and figure out when we fixed this. **EDIT** Was able to repro in mai ...
'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 ...
Anim Notify blueprints are included in packages when not referenced
UE - Foundation - Core - Cooker - Sep 17, 2018Anim Notify Blueprints are included in Packaged builds of the editor even if they are not referenced. This does not occur with other Blueprint classes, such as Actor, although it may with some other ...
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. ...
Placed level instance causes "!ActorInstanceGuid.IsValid()" assertion after changing WorldSettingsClass
UE - World Creation - Worldbuilding Tools - Level Instances - Nov 13, 2023Resaving the level using ResavePackagesCommandlet is a workaround. ...
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 ...
Upon editor restart, some Break Struct nodes display a string of letters & numbers
UE - Gameplay - Blueprint - Mar 25, 2015Update: 4/14/2015 Another report of this error: https://answers.unrealengine.com/questions/206466/blueprint-still-dirty-after-compile.html#answer-211801 =========================================== ...