Unreal Engine Issues

Renaming actors between levels during PIE causes issues

When renaming actors during PIE the actor generates a new, non memory/temporary, actor package underneath the PIE world- this is then causing checks in EnumerateMemoryAssetsHelper (in AssetRegistry. ...

Navisworks - Crash exporting high poly density terrain geometry

Nanite cast shadows from all lights, regardless of lighting channel configuration

This behavior is inconsistent with the behavior of non-nanite meshes, which receive light and cast shadows only from lights in the same lighting channel. [Image Removed] ...

Incorrect cast in UpdateEarlyZPassModeCVarSinkFunction when Scene is FNULLSceneInterface

We have various casts across the engine on the scene, which fail to cast when the scene is a null scene. FScene* Scene = (FScene*)(World->Scene); Scene->UpdateEarlyZPassMode(); We shoul ...

Gameplay Cue Notify Paths in Game Feature Modules don’t work when written in the ini file, only when added via AddGameplayCueNotifyPath()

The gameplay cue may work fine the first time. If this is the case, then relaunch the editor. It should then be broken, as the tag is no longer loaded after its creation. ...

HLOD Build crashing when building nanite for mesh with 2 material having the same parameters

From Licensee: Catching the exception with debugger allowed us to find a list of materials on the hlod mesh on which the error occured and we were then able to link it to one of our meshes causing ...

Lumen scene view - spot light cut off

This looks to be an issue with shadows in Lumen Direct Lighting, and might be coming from the "Batched lights" pass. ...

Nanite Dynamic Tessellation issue with Material Layers

VectorNoise Material Expression Position's tooltip says it accepts 2 or 3 dimensional vectors, but the node raises an error if a Float2 is input

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Volumetric clouds jitter when in front of geometry

Potentially related to [Link Removed], but distinct. ...