Unreal Engine Issues

GameplayCueNotify Actors not removed on Clients upon duration-based GameplayEffect expiration

HLOD build crashes when GroupActor is present

The licensee shared information that a Null check on the following Actor can be used as a workaround. static TArray<UActorComponent*> GatherHLODRelevantComponents(const TArray<AActor*>& InSourceAct ...

Unsuccessful WP conversion when map has scripted sublevels

Crash in WP conversion commandlet on map containing geometry brushes

Build failed executing script TagsAndFiles.xml.

"Trigger" element has been removed from the BuildGraph, causing an error when running TagsAndFiles.xml. This problem was added in 5.0 and does not occur in UE4.X. ...

Spline point manipulation broken when spline component is selected

Spline point manipulation does not work properly when the spline component is selected. Although the widget appears on a spline point, applying a translation results in the entire spline component b ...

Making changes to a Camera Shake while previewing the Camera Shake triggers a crash

This is not a regression. Tested in //UE4/Release-4.27 CL 18319896  Making changes to a Camera Shake while previewing the Camera Shake triggers an Assertion upon compiling. ...

Activating the Cube Grid tool while a Level Sequencer is open results in a crash

Activating the Cube Grid tool while a Level Sequencer is open results in a crash. ...

Collision between Vehicles and Instanced Meshes are behaving differently than expected

This is a regression tested in //UE4/Release-4.27 CL18319896 Vehicle from the Vehicle template clips through instanced meshes, and can't be driven on them.  ...

NiagaraSystem is compiled every time when first loaded in the editor

If you are using a large amount of Niagara, you will experience excessive load times in PIE even if nothing is changed. The following code change seems to be effective as an interim response. void ...