Unreal Engine Issues

Right-clicking a DataAsset Based on a Blueprint Class can Crash the Editor

The editor can crash when you attempt to open the context menu for a data asset based on a blueprint class. This happens only if the blueprint class the data asset is based on is not currently loade ...

GPU / D3d Crash while editing Landscapes

From licensee: I've been experiencing consistent GPU crashes when tying to edit landscapes since updating to UE5.1. It seems to be exclusively an issue with DirectX 12 (SM5 & SM6). I have no pro ...

Editor crash on level load when bUseActorFolders is true after dragging Actor into another folder in the Outliner

From licensee: Hello! Our level streaming setup enables the bUseActorFolders on our levels. When moving the Actor into another folder via the Outline, the editor will crash on the next load Assert ...

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. ...

Unable to select object when using DistanceToNearestSurface node for Opacity Mask in Masked Material

From observations, this seems to be related to how the mesh selection works, and may be making the pixel under the mouse masked away. Adding a value >= 0.5 between the clamp and the Opacity Mask out ...

Crash in Middle of PIE with Level sequences and MRQ running

Repro Rate: 5/5 Tested this a few times and the crash seems to come in at different intervals, some had the prestreaming almost finished, then would crash. Working on a video to show crash to add ...

Mesh paint Mode can't find texture for Non-Nanite meshes

Parameters end up associated with the wrong layer after certain material layer swaps

The licensee has also provided an explanation as to why this issue occurs + guidance for a potential fix. Please see the UDN for more details. ...

[Python] Entry items are not displayed when sub-menus are added to the "LevelEditor.ActorContextMenu" section.

When the [Actor] menu is opened, the menu of the added entry can be displayed. When the [Actor] menu is opened from the LevelEditor's Outliner, it is not displayed.  Solution: Add the required menu ...

Subobject pointer may be null when attempting to access a nested BP added property in a BP script or python

This is likely something going wrong in the Blueprint Editor utilities function calls or something like that. Obviously this works as expected in the Subobject Editor itself, otherwise no nested BP ...