Unreal Engine Issues

Nanite static mesh components are not individually highlighted when selected

Non-nanite static mesh components still show an individual highlight outline which individually selected even with other non-nanite static mesh components in the same actor. This is different when t ...

USplineComponent still editable in viewport despite setting as "read-only".

A spline component continues to be visible and editable in-editor despite all attempts to disable the functionality through the component's settings or uproperty specifiers. ...

GameplayTagQuery in editor can fail to update to new values or reset after being cancelled

When editing a GameplayTagQuery inside of the editor, there are times when the query editor will not update the query when selecting Ok or fail to return the query to its original state before editi ...

Ray Traced Shadows ignore mesh occlusion on water when enabled

A forum user reported an issue where object geometry occlusion would be missing when Ray Traced shadows were enabled. I was able to reproduce the issue internally where occlusion seems to be missing ...

Creating MaterialInstanceDynamic for a moving/crumbled geometry collection component, the rendering position is reset to the initial location

Creating a MID makes the render state dirty and the engine will recreate a new scene proxy without the current attitude. This results in rendering the object in incorrect location. Here is a tempor ...

SkeletalMeshActor flickers rapidly when PhysicsAsset contains multiple boxes.

SkeletalMeshActor using a PhysicsAsset with custom box shapes may flicker rapidly in Editor when not selected, and also flickers in PIE mode. If occlusion culling is disabled the flickering stops. ...

Add error message when unable to delete external actor file on disk

[Substrate] Workaround for DXC problem with roll unlooping

We should get to the bottom of this workaround and revert it eventually.  Reported here: [Link Removed]  ...

CSM Shadows disappearing at larger coordinates with different FOVs

Cascaded shadows disappear at some FOVs when far from the world origin. This behavior was not present in 5.2. Also found in CL: 32690246 in Release-5.4 ...

Incorrect relative position on replicated child actor

The issue seems to occur when a replicated child actor is received on the client before its parent. The child actor will first be spawned at its correct global position, with its root component's p ...