Unreal Engine Issues

Subobject editor collapsed nodes are auto expanded when adding or moving a node

Node operations cause all of the collapsed nodes to be auto expanded. This is disruptive when working with complex hierarchies because you can't hide irrelevant components. ...

The hair shading near the screen edge becomes whiter if only a skylight applies

This appears to be an issue with Lumen, with some off-screen information making its way on-screen during an upsampling pass. We checked a Renderdoc capture and that is where it seems to come from. ...

Displacement + TAA causes "vibrating"/"buzzing" artifacts

There is a buzzing artifact on shadows that is seen in the provided test project. The problem seems to be far more subtle when VSM is turned off. Licensee mentions that turning r.Velocity.ForceOutpu ...

Cook Warning "Saving FText which has been initialized from FString" when a user-defined BP structure contains a native C++ struct with an FText

Consider a C++ struct containing an FText. Now consider a used-defined BP structure containing that C++ struct. When cooking an asset that references such a user-defined BP structure, the following ...

Assertion failed in FAudioDevice::UnregisterSoundClass when GC

The licensee reported that check(IsInAudioThread()) was failed in FAudioDevice::UnregisterSoundClass when GC. The following is the call stack: 1 #00 pc 030d7b58 libUE4.so HandleError (/home/pirates ...

Network profiler can report sent RPCs despite a null ViewTarget preventing the send

Due to the hard-coded 1.5 second timeout for clients in UNetDriver:if ( OwningActor != NULL && Connection->State == USOCK_Open && ( Connection->Driver->GetElapsedTime() - Connection->LastReceiveTime ...

TSR does not seam to work on AMD

NPC - Does not get updates from Material Parameter Collection changes in the editor

When an MPC is selected as the Source Material Collection for an NPC, all of its current parameters are carried over to the NPC with their current values. After that, if parameters are added to, rem ...

NPC - When an NiagaraParameterCollection asset is duplicated or when its namespace is changed, any existing parameters get incorrectly duplicated/renamed with the addition of the namespace prefix

When an NPC asset is duplicated, the ne wasset gets incorrectly duplicated parameters: one set with the correct names, and one set with the original namespace prefix embedded into the names. These i ...

Mouse is locked to viewport on PIE regardless of Game Gets Mouse Control property

The mouse is being locked to the viewport when you PIE. The toggle Game Gets Mouse Control (Editor Preferences/Play) does not appear to be working. It seems to always be on. With it off I would expe ...