Unreal Engine Issues

HLOD generated proxy doesn't create or assign target lightmap coordinate index any longer

There are instances where HLODs will either generate a lightmap but not assign it to the correct Lightmap Coordinate index from the target lightmap setting in the HLOD outliner or the Lightmap will ...

Blueprint Implementable Events and Event dispatchers with the same name break the event dispatcher.

Creating an event dispatcher and BlueprintImplementableEvent function with the same names causes a signature conflict inside the blueprint. The event dispatcher is then broken as it cannot be delet ...

Crash on deleting an actor after undoing a prior delete

If an actor contains a custom SceneComponent that creates another component that is tagged with Transient and DuplicateTransient, deleting/un-deleting/deleting the actor again will cause the editor ...

"Always Center Window to Screen" No Longer Functioning in New Editor Window (PIE)

Regression: In UE4.10, the border that now occurs around New Editor Window causes window to extend beyond native screen resolution designated in Editor Preferences causing the window to 1) Not be ce ...

On a Mac, Cannot Delete Folder Containing Sub Folders from Content Browser

In the Content Browser, deleting folders within folders on a Mac will result in new folders being generated containing the deleted folders when the Editor is reopened. This is similar to the issue ...

Engine Crashes When Previewing ES3_1 With Material Using World Position Offset (Need Custom Stencil)

This crash will only occur when this criteria is met.You have enabled custom depth with stencils in the project settingsA mesh in the scene is rendering to custom depth with a stencil value of 1The ...

Exporting Landscape Heightmap using Copy/Paste Tool produces Pixelated results

When exporting a .raw file heightmap using the Copy/Paste tool, the file produced has a greyscale and pixelated result. ...

Editor crash on Instanced Subobjects of an outer class in Class Picker

Specular highlight flickers when moving on Android

Regression: Tested in UE5/Release-5.0, this issue also occurs so regression is no. ...

Anim notifies trigger repeatedly/every frame when using an animation mode track set to Use Anim Blueprint in a Level Sequence

The anim mode track seems to cause the sequence to retrigger notifies every frame. ...