Unable to Create New Niagara User Parameter After Deletion without Niagara Editor Window Restart

UE - Niagara - Scripting - Apr 22, 2024

When a user deletes a Niagara User Parameter within the Niagara System editor window, attempting to create a new parameter with the same name immediately after deletion results in an error. Despite ...

Blueprint Add Custom Event unable to resolve delegate signature inside a split struct

UE - Gameplay - Blueprint - Apr 19, 2024

This issue occurs when a static function is created and has a struct parameter that has a delegate exposed to blueprint. When using the helper function in blueprint after having used "Split Struct ...

Lumen artifacts on splitscreen during camera cuts

UE - Graphics Features - Lumen - Apr 18, 2024

A UDN licensee has pointed out that they are seeing unresolved Lumen reflection artifacts when they are running their game in split-screen mode. A video of this behavior is found in the Related tab ...

Enabling SunPosition engine plugin causes a missing file warning in a packaged build

UE - Editor - Content Pipeline - Apr 18, 2024

Licensee noted that editor-only code from the Sun Position Calculator engine plugin was causing a warning in packaged builds. A similar issue was reported for 4.22 [Link Removed], but this appears t ...

Breakpoint on SetText node in WBP PreConstruct triggers editor hang on save

UE - Gameplay - Blueprint - Apr 17, 2024

A user reported that when calling SetText on a text widget in a widget blueprint's PreConstruct causes an editor hang when you put a breakpoint on SetText and attempt to save the asset. The issue i ...

Opening Sprite assets or Paper Flipbook crashes the engine in 5.3

UE - Gameplay - Paper2D - Apr 16, 2024

Licensee was not able to open any Sprite asset file in 5.3 without it causing a crash. They were able to avoid this by disabling raytracing in the project. ...

CineCameraActor ActorToTrack property cannot be set to a spawnable actor

UE - Anim - Sequencer - Apr 15, 2024

In the repro, the first selection is not spanable, but the ActorToTrack is set correctly at this time. When trying to select a spawnable actor, it cannot set it to ActorToTrack.  When using the eye ...

Opening a Level inside the ReferenceViewer does not Prompt the Save window if the Level is dirty.

UE - Editor - Applied Usability - Apr 15, 2024

If you right click on a level node in the reference viewer and choose edit, it will bypass prompting you to save unsaved changes in your current level, silently discarding all unsaved work. ...