Unreal Engine Issues

Interchange: Dialog import preview pipeline is missing the import context

We need to call TransferAdjustSettings on the duplicated pipelines to execute the preview import. ...

Client disconnect during seamless travel results in incorrect NumPlayers and NumTravellingPlayers

This issue seems to stem from HasClientLoadedCurrentWorld returning true in AGameMode::RemovePlayerControllerFromPlayerCount. When removing a player controller, the GameMode checks if a seamless tra ...

Lumen Reflections in Stereo are broken after Nvidia GPU Driver Update

After updating the NVidia graphics driver to v.552.74+, reflective/mirror materials appear broken and render with black and white lines in VR mode if they are in a level with a Post Process Volume w ...

StaticMesh reimport: socket List not refresh if the count is the same

Interchange Scene: actor creation is not optimize

UInterchangeGenericLevelPipeline::ExecuteSceneNodePreImport is iterating all nodes for every actors it create. We need to cache the result. ...

Interchange Dialog view resets when changing values

This happens with just about any option in any tab. QA confirmed it also happens in the Material tab. Regression: Yes - does not occur in //UE5/Release-5.4 @ CL34507850 - Binary Repro Rate: 10/10 ...

Spawnable Post Process Volume does not draw bounded values after saving and reopening a level

Reproduction Attempts: 3/3 Doing some additional testing for Spawnable Post Process Volumes in a level sequence, the PPV does not appear after saving the level and level sequence, closing and reope ...

UHapticFeedbackEffect_SoundWave Initialize does not populate Raw Data in the HapticsBuffer

From the UDN:  >  Open HapticsFeedbackEffect.cpp and naivgate ~ line 150; note HapticBuffer has length populated but never write the actual buffer data. LikeReplySelect as Best Seems like a simple f ...

Objects that return false for NeedsLoadForClient not loaded on listen servers

For instances that are not a dedicated client or dedicated server (e.g. packaged games with TargetType "Game"), GIsClient will be true, but GIsServer will be false. This leads to objects that retur ...

FNetGUIDCache warning when attaching non-replicated component to a replicated scene component

When the replicated scene component's AttachChildren array is replicated, the package map attempts to serialize the non-replicated component, causing the warning that the object is not supported. ...