Unreal Engine Issues
Unreal Engine Issues
NPC - When an NiagaraParameterCollection asset is duplicated or when its namespace is changed, any existing parameters get incorrectly duplicated/renamed with the addition of the namespace prefix
UE - Niagara - Sep 30, 2024When an NPC asset is duplicated, the ne wasset gets incorrectly duplicated parameters: one set with the correct names, and one set with the original namespace prefix embedded into the names. These i ...
Substrate SSR reflections are black
UE - Rendering - Features - Shading Models - Dec 17, 2024Substrate Materials do not use Screen-Space reflections. Instead, they do not have any reflections (indirect specular) on the surface. ...
FName no longer equals FName_None when constructed with a trailing underscore and digits in range of 1-9
UE - Core - Systems - Apr 15, 2025When an FName is created with a trailing underscore and any number of digits in the range of 1-9 the trailing digits are used as the internal number value for the FName lookup. This results in the F ...
LOD glitch when using Control Rig with Import Skeleton node
UE - CAPT - Control Rig - Aug 26, 2025In Unreal Engine 5.6 and Main, a glitch occurs when switching between LODs in a character setup that uses a Control Rig to dynamically load the skeleton hierarchy through the Import Skeleton node in ...
Notifies placed on the first frame of a montage using root motion don't fire
UE - Runtime - Animation - Aug 10, 2026This is a regression in 5.8 caused by 47265321. It's because we now perform the montage update and dispatch the queued notifies via CharacterMovementComponent::TickCharacterPose. But that all hap ...
Translucent Materials do not work well with Depth of Field
UE - Graphics Features - Apr 10, 2015Depth of Field do not work well when using a translucent material, even if the material has no opacity set. Image attached as reference. Light brown colored mesh is translucentGray mesh is opaque ...
Collision thickness on landscape does not appear to work
UE - Simulation - Physics - May 27, 2015Setting the collision thickness for the landscape does not appear to have any effect on any objects colliding with it. Setting the value to a negative or a positive has no effect. ...
Set Material for a DM in the Construction script will result in a crash
UE - Simulation - Physics - Destruction - Jun 3, 2015Setting a material in a BP construction script after setting a DM will result in a crash. This will render the BP inaccessible once the project reloads. Opening the BP will result in an instant cras ...
Breakpoints in default Pawn class are not triggered in Debug mode
UE - Foundation - Core - Jul 27, 2015When running the editor through VS debug mode, any breakpoint that is set in the class used as the Default pawn class in world settings will be ignored when playing in editor ...
Crash when trying to change game mode settings
Trying to change game mode settings after restarting the editor will cause the editor to crash. ...