Unreal Engine Issues

Listen For Input Action does not appear to work after setting input mode to UI only when called from a widget

Action mapping does not fire within a widget when the input mode is set to UI only ...

Crash on Galaxy S7 devices with Mali GPU (SM-G930F / SM-G935F)

Unpossessing Network Character while Movement RPCs are in Flight could Leave Client and Server in Different States

Unpossessing a character while the client has unacknowledged RPCs in flight can leave the client character in a different state than on the server. The example given was a crouch request on the clie ...

Hot reload breaks code based struct array used in blueprints

When an array of a struct, defined in code, is used in a blueprint, preforming a hot reload after making changes to the class with the struct will cause the blueprint nodes relating to the struct be ...

Non-overridden BP update for Animation Blueprints not Calling Parent Function.

User in the linked UDN reports that the parent BP update was not being called in an animation blueprint unless they hooked up the parent call. By default this call is greyed out in the graph and sh ...

#ifdef and #ifndef have no affect in header files

#ifdef and #ifndef have no affect when used in the header file of a class. Ex: #ifndef MYMACRO UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = Test) float ANumber; #endif ANumber v ...

SceneCapture2D loses Blendable when Capture Every Frame is turned off even if Scene Capture is updated

Scene Capture 2D components lose access to the Blendable assigned to them if they are not set to Capture Every Frame at all times. If it gets turned off, the blendable can never be reapplied at run ...

Editor blocks Windows taskbar from showing if taskbar is set to auto-hide

If the Windows taskbar is set to auto-hide and the editor is opened on the same monitor, the taskbar cannot be accessed while the editor has focus. ...

Undo after disconnecting a target pin will cause a series of internal compile errors

Undo after disconnecting a target pin will cause a series of internal compile errors User Description: I've run into what I think is a bug when attempting to compile a blueprint after mistakenly b ...

OnRep function fires off even if the value has not changed for a variable set to RepNotify

RepNotify causes the On Rep function to fire off whenever a variable is set rather than when the value of the variable changes (as stated in the documentation). ...