Unreal Engine Issues
Unreal Engine Issues
Niagara mesh particles invalidate lighting when "Cast Shadow" is enabled with Hardware Ray Tracing enabled
UE - Graphics Features - Lumen - Jun 24, 2025Lumen HWRT, combined with Niagara Mesh Renderer, can cause the Lumen Scene to be reset, resulting in a sudden change to indirect lighting. ...
Inconsistent Details Panel Focus Behavior On Enter Pressed for Blueprint-Added Components
UE - Editor - Workflow Systems - Jul 2, 2025When editing a component property in the level viewport, if the component was added via the Blueprint Editor, pressing Enter after changing a value causes the details panel to lose focus. This inter ...
In-app purchase fail node does not execute properly without network connection
UE - Platform - Mobile - Sep 30, 2015In-app purchase failure nodes do not execute when there isn't any connection. ...
Sound plays twice when switching camera modes
UE - Audio - Aug 7, 2015Playing a sound (firing weapon) and switching the camera mode will cause the gunfire sound to play twice, once from the weapon's position when it's fired and again as through the sound was coming fr ...
Compile failure in UHT with combined multi-line / single line comments
UE - Foundation - Core - Apr 22, 2015Using a single line comment to immediately follow a multi-line comment closing brace results in an illegible compile errors: "error code: CrashOrAssert(3)" Workaround: Include a space between */ an ...
Subtracting .2 from a float produces a floating point error
UE - Gameplay - Blueprint - Feb 1, 2016Subtracting .2 from a float seems to produce a float error, registering incorrect values during if checks. ...
Crash assigning spline mesh on tiled landscape
UE - LD & Modeling - Terrain - Landscape - Jun 1, 2015Crash assigning mesh to spline on tiled landscape. ...
LIVE: LANDSCAPE: Lock Movement feature does not save state after re-opening editor
UE - LD & Modeling - Terrain - Landscape - Oct 16, 2014Lock movement state on landscape does not save state on reloading editor. ...
Collapsed Nodes do not have execution pins highlight during use
UE - Gameplay - Blueprint - Jan 16, 2015When nodes are collapsed in editor, the execution pins to the nodes do not light up to show their use. ...
Struct that is referencing a Custom bp Class will reset to default values on editor restart
UE - Gameplay - Blueprint - Sep 16, 2015Struct that is referencing a Custom bp Class will reset to default values on editor restart User Description: Making a array of object types in a struct. the goal is to have a struct containing wa ...