Unreal Engine Issues
Unreal Engine Issues
Message to rebuild lights does not display after static mesh position has changed
UE - Graphics Features - Aug 28, 2024In a static lighting environment, moving static objects no longer marks the built lighting as invalid. This prevents the on-screen warning from appearing. Regression introduced in CL: 25964466 on / ...
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 ...
FName no longer equals FName_None when constructed with a trailing underscore and digits in range of 1-9
UE - CoreTech - 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 - Anim - Rigging - 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 ...
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 ...
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 ...
Creating a blueprint from selected components crashes editor if components contain a blueprint with a component
UE - Gameplay - Blueprint - Nov 4, 2015Frequency: 2/2 Crash Reporter: [Link Removed] Editor crashes if the option: "Convert Selected Components to Blueprint Class" is selected from main editor viewport>Blueprints context menu. This occu ...
The option to add a component to an Actor Blueprint from inside a child Actor Component BP isn't available
UE - Gameplay - Dec 16, 2015The option to add a component to an Actor Blueprint from inside a child Actor Component BP isn't available. Using Get Owner inside the Actor Component's Event Graph and then casting to the owning Ac ...
Changing a node to a pure function does not remove breakpoints from node and they must be turned into an impure function again
UE - Gameplay - Blueprint - Aug 19, 2015Changing a blueprint node to a pure function while a breakpoint is set on the node will maintain the breakpoint. Additionally, the breakpoint cannot be toggled or removed until the node is turned ba ...
Losing focus of blueprint component viewport prevents W,E,R from changing transform widget
UE - Gameplay - Blueprint - Aug 4, 2015If focus is taken away from the viewport window in blueprints (LMB in the details pane, for instance), pressing W, E, or R to change the transform widget will not work until focus is returned. ...