Unreal Engine Issues

Lumen artifacts on splitscreen during camera cuts

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

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

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

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

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.

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. ...

The Alignment large than the PageSize causes crash on IOS with MallocBinned

Pointer being freed was not allocated on IOS with MallocBinned2

Slack thread [Link Removed] Probably related to the same issue seen on Android, explained here: [Link Removed] ...

VR | Collaborative Viewer Template | VR and Non-VR Keyboard toggle doesn't work

Clear Coat looks incorrect in the Preview when Energy Conservation on Material is enabled for non Substrate rendering

Enabling Energy Conservation on Material makes Clear Coat Material look weird in Preview. It looks fine in the Level Editor, but not in any "Preview" type viewport (Material Editor, Asset Thumbnails ...