Unreal Engine Issues

Editor becomes unresponsive while Compiling with Save on Success of a Widget Blueprint that contains a Breakpoint in Pre Construct

This is not a regression. Tested in //UE5/Release-5.2 CL26001984 Editor becomes unresponsive after compiling with save on success a widget blueprint that has logic flagged with a breakpoint within ...

Welding doesn't work until the first time the actor simulates

Lags in animation when set leader pose component is used

https://udn.unrealengine.com/s/question/0D54z00009UJv5HCAT/lags-in-animation-when-set-leader-pose-component-is-used From licensee: "USkinnedMeshComponents have the option to double-buffer their bo ...

Slate widget may incorrectly consume key up events causing some UI to get stuck

This is a bug reported from a UDN customer with a sample project and video attached that goes over the input consumption states and how they are incorrectly being set when changing UI modes ...

Exclude Default Property Tracks array only excludes last element

Only the last element of this array is taken into account when adding defaults tracks. It looks like in FLevelSequenceEditorToolkit::AddDefaultTracksForActor a map is built mapping the property owne ...

ImageSize in Image widget is not set when setting a texture as a brush

Since FDeprecateSlateVector2D has been implemented in 5.2, the following function calls will always fail. Therefore, the ImageSize is not updated. This problem does not occur in 5.1.   void SBrus ...

Crash when force deleting Dataflow Graph

When force deleting a dataflow graph with the dataflow graph editor open it will crash the engine. This issue is occurring in Binary //UE5/Release-5.3 @ CL 26560699 This issue is occurring in Binar ...

BoneList and BoneFilterActionOption in LOD0 of LODSettings are displayed after editing other LOD level

BoneList and BoneFilterActionOption in LOD0 of LODSettings are filters by the following code. void FSkeletalMeshLODSettingsDetails::CustomizeDetails(IDetailLayoutBuilder& LayoutBuilder) { ... st ...

Unable to import animation data from fbx with bone names starting with a number

When importing animations with numeric names from fbx in UE5.2 or later, the AnimationSequence asset is created but the animation data is not imported. The workaround is to not prefix bones with num ...

Blueprint debugger: variable getter node displays wrong object's value

After triggering a breakpoint in blueprint, variable getter nodes can display the value of a different object than the node's target. For example: if an actor class has a value MyBool and the bluepr ...