Unreal Engine Issues

Logic error in TRange::Difference causes crash when you Trim and Preserve Left/Right and unbounded Attach section in the sequencer

TRange::Difference function does not handle bounds correctly, causes crash in the sequencer when "Trim And Preserve Left/Right" is used in the user's example project. User provided a potential fix: ...

Assert in MoviewPipelinePIEExecutor when cancelling movie scenes during rendering

When rendering a single Level Sequence with MRQ, removing the Level Sequence that is actively rendering will create an array out of bounds exception. Also confirmed in //UE5/Main, CL: 36086643 ...

Inside the ViewportToolBar, the "Click to Expand" ComboButton works incorrectly with Display Scaling

When Display Scaling is applied (e.g., 125%) and the Level Viewport is resized, the ComboButton in the SViewportToolBar does not behave as expected. Normally, the ComboButton hides when there is in ...

Camera Sharpness doesn't work on Full HD Monitors.

Editor crash when using PCG self pruning and complex collision

While testing out pruning points based on collision, it was observed by the licensee that using complex collision seems to crash the editor. The editor crashes with the following error: ``` Asserti ...

Unwanted offset on curves when importing animation assets

Hello, We seem to have encountered some unwanted behaviour when importing certain curves from our animation fbx assets into Unreal. Some of these curves don't have keys from the very first frame, b ...

Mutable custom versioning issue from 5.5->5.6

In 5.6, a handful of new entries in `FCustomizableObjectCustomVersion` were added, including `SetDisplayNamePropertyAsPinNameOfTableNodes`. Looking back at the history, `SetDisplayNamePropertyAsPinN ...

When exporting from a level sequence, the LOD for the bones is based on the camera distance, instead of using LOD0

When exporting a level sequence to an animation sequence, the bones used will be based on the LOD for the current camera location, instead of exporting LOD0. This is very noticable if you pull the ...

RuntimeCellTransformers can result in increasing the instance count when a BP instance is not destroyed.

The problem is related to the SimpleConstructionScript that executes on the BP instances after the transformer.  The problem also happens at cook time as the SCS is executed when the package is sav ...

AddActorWorldOffset offsets character blueprints faster than other actors

AddActorWorldOffset offsets character blueprints faster than other actors when the character is possessed or anytime after possession/ejection has occurred. ...