Unreal Engine Issues

UEditorUtilityWidgetBlueprint has state (RegistrationName, CreatedUMGWidget) that assumes a single registration at any time, when in fact multiple tabs can be registered and concurrently sharing this object

Collision Boxes not set properly when using negative values

When using multiple collision boxes with the mesh scaled in a negative axis while the collision boxes are rotated that the rotation is not taken into account when using the negative scale. ...

Changes to code during a compile are not registered if compile is canceled/restarted

While the editor is compiling a hot reload, if project code is changed and the compile is canceled, code changes are not reflected upon next editor compile. ...

Hot Reload changes actor focus from a component to its root

When a hot reload occurs in the editor, if the component of a placed actor is selected then focus will switch from the component to the actor's root. This can be confusing when the root is a code c ...

Blueprints copied or moved to another level do not retain variable references to other Actors that are also copied or moved

Blueprints copied or moved to another level do not retain variable references to other Actors that are also copied or moved. Reproduced in 4.7.5 binary and Main (//depot/UE4/Promotable-CL-2507843) ...

Deleting class instance will call destructor for each instance of the class

**UPDATE** When the actor is pulled from content browser to scene, a "ghost" object is created even if the actor is still being "held". Dragging the actor back and forth into the editor viewport wi ...

Blueprint navmesh modifier does not update navmesh in level

CrashReporter: [Link Removed] The Navmesh Modifier Component in blueprints does not properly update a levels navmesh. ...

Real Time Preview for Converted Vector Parameters not working

The Real Time Preview of Converted Vector Parameters from the Material Editor are not currently previewing in the level viewport without re-compiling the material. ...

Enum Variable doesn't pull the correct Default Value

Enum Variable doesn't pull/print the correct Default Value User Description: (Blueprint) User defined enum in 4.9 getting corrupted I believe there is a severe underlying issue in 4.9 regarding u ...

Application is crashing on the HTC One when UMG is used in the project

If you include UMG in your project and deploy to an HTC One, the project will crash on the device. Tested this on multiple devices (Galaxy S5, HTC One, NVIDIA Sheild tablet) Monitor logs are atta ...