Unreal Engine Issues

Anim Notify blueprints are included in packages when not referenced

Anim Notify Blueprints are included in Packaged builds of the editor even if they are not referenced. This does not occur with other Blueprint classes, such as Actor, although it may with some other ...

Memory Leak occurring when switching between levels in Standalone

A memory leak seems to occur when switching between levels multiple times. This is being monitored by memreport full ...

RepNotify variables passed by reference to a function or macro that then change the value of the variable do not trigger the OnRep function on the Server

RepNotify variables passed by reference to a function or macro that then change the value of the variable do not trigger the OnRep function on the Server. This is inconsistent with the behavior with ...

Vray Material nodes are disconnected after saved if closing and re opening Unreal

Control Rig - Undo doesn't function correctly with proxy and multi bone controls

Issue from my Technical Animator where the undo operation in Control Rig doesn't work as expected on Proxy Controls. He has recreated the issue using the "Control Rig Samples Pack" and recorded a vi ...

Switch on custom enum causes compilation errors after Hot Reload

If the project is hot reloaded while a Switch on Enum is inside of a blueprint which is switching on a custom enum, the switch will become corrupted. It changes the 'selection' pin to take a Byte pa ...

Variable Reset on Child in level

For a child instance inside of the level, the value of a parent int variable will reset if you add a new variable in the child and if there is a function in the parent that has the child as an outpu ...

Override Attenuation Can't be Unchecked When Audio Component Added to Blueprint and Blueprint Attached to Actor

Checking Override Attenuation in Details <  Audio Component < Attenuation disables settings that further adjust the Attenuation. Such as: Attenuation Air Absorption, Attenuation Listener Focus, Atte ...

FPS drop when deploying to a Mobile device

The FPS drop off of this users project is significant between version of UE4. I tested this issue on a Samsung Galaxy Note 10.1 2014 edition. I also tested on a iPad air 2 on 8.1. There was a sig ...

FVoiceSerializeHelper doesn't add references to AudioComponent instances

"FVoiceSerializeHelper doesn't add references to AudioComponent instances" ShooterGame crashes when following the repro steps provided by the licensee, listed below and on the UDN post. Crash image ...