Unreal Engine Issues

Per instance custom data and Material Layers issue

Blueprint Typing Potentially Incorrect when using Chooser Plugin

This appears to be some form of type confusion. In editor, the type of the result pin is a Packed Level Actor Class Reference, but at runtime, the returned value is a BlueprintGeneratedClass. ...

HDRi backdrops show default material on Meta Quest

Capsule component renders incorrectly with non-uniform scale

Capsule component renders incorrectly with non-uniform scale because the render uses the minimum between the X and Y values and the collision code uses the maximum between the two. This issue is men ...

Niagara mesh particles invalidate lighting when "Cast Shadow" is enabled with Hardware Ray Tracing enabled

Lumen 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

When 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 ...

Crash when changing r.MaterialQualityLevel when FastGeo plugin enabled in cooked build

The engine crashes when the r.MaterialQualityLevel is changed in a cooked game that uses the FastGeo Streaming Plugin. The crash doesn't repro with the same steps in Editor, just in a cooked build. ...

In-app purchase fail node does not execute properly without network connection

In-app purchase failure nodes do not execute when there isn't any connection. ...

Sound plays twice when switching camera modes

Playing 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

Using 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 ...