Unreal Engine Issues

Crash when Deleting Variable from Blueprint Struct

The Editor will crash when attempting to delete a variable from a Blueprint struct. This crash does not seem to happen if save the map with the actor in it. ...

Crash compiling a blueprint after changing a Text variable to String, while the Details panel are visible

Crash occurs when the user changes a Text variable to a String while the Details panel is displaying its properties, and then compiling. Crash does not seem to occur if the Details are not visible. ...

Child Actor Component outputs error when child class is set to empty using blutility

Child Actor Component outputs error when child class is set to empty using blutility I attached repro proj. ...

Crash hovering mouse over User Defined Struct array variable on Widget Blueprint breakpoint

Looks a crash caused by an access violation when trying to export text from the property for the tooltip. Seems to be limited to arrays of user defined structs and the Widget Blueprint editor. ...

Struct crashes when switching variable types while the default values are being shown

If the user switches between two variable types in a struct while the default values are being shown then the editor will crash ...

Crash when placing a native UserWidget in a panel within another UserWidget

The engine crashes when trying to initialize a native UserWidget within another widget. This happens because UUserWidget::GetSlotNames gets called before the widget tree is initialized, and we don't ...

Crash when resetting asset import data in static mesh editor

Crash w. 'Serialized Class LinkerPlaceholderExportObject for a property of BlueprintGeneratedClass'

I was attempting to repro [Link Removed]. I created a new Actor BP, placed it in the level, added a ref to it to the level BP (instead of the projectile approach in the repro), and tried to save my ...

[Sound Cue][Open World] - Crash when creating a Sound cue from an Ambient Sound actor on an Open World map

When trying to recreate an issue that resulted in [Link Removed], I came across this call stack.   Regression testing done in //UE4/Release-4.27.2 CL-18427296 and this issue did NOT happen. ...

Creating a Blueprintable Struct that contains a Tmap results in Editor Crash

Any blueprint with a TArray of a struct containing a TMap crashes the editor when adding elements ...