OSS Null won't find multiple LAN sessions hosted by a single instance

Online - Feb 22, 2023

This happens because of how FLANSession::Tick will handle receiving multiple response packets from a single host. FLANSession will cache the ResponseGuids of any incoming host response packets, so i ...

Overriding Component class does not work properly in grandchild class BP

UE - Gameplay - Blueprint - Feb 22, 2023

If you set ComponentClass override in child class BP and grandchild class BP respectively, it is ignored in grandchild class. This issue is probably related to [Link Removed]. The fix for [Link Rem ...

ARecastNavMesh.bPerformVoxelFiltering doesn't seem to be working

UE - AI - Navigation - Feb 21, 2023

ARecastNavMesh.bPerformVoxelFiltering doesn't seem to be working anymore. ...

Duplicating a Blueprint with a function call node connected to a variable of the source Blueprint type results in a compile error in the duplicated asset.

UE - Gameplay - Blueprint Editor - Feb 21, 2023

If a Blueprint asset contains a function call node for which the referenced function context is set to 'self', if the "Target" pin is connected to a type that equates to the owning Blueprint asset ( ...

Eyeball appears opaque on project launch

UE - Rendering - Feb 21, 2023

depth calculation is not functioning properly on mobile ES 3.1 preview

UE - Platform - Mobile - Feb 21, 2023

In 5.1.1, the depth calculation is not functioning properly on mobile ES 3.1 preview, resulting in reflections occurring in areas where they should not. When checking with RenderDoc in ES 3.1 Previ ...

OnComponentHit Event is not triggered when hit by a spawned actor with simulate physics enabled for WheeledVehiclePawn with BoxCollison

UE - Simulation - Physics - Feb 20, 2023

BoxCollison's OnComponentHit event is not triggered when BoxCollison hits a spawned actor with simulate physics enabled. The event is triggered if the same actor has been placed in the level beforeh ...

Can start PIE in New Editor Window during PIE instance's online login

UE - Networking - Feb 17, 2023

When starting a PIE instance using the "Selected Viewport" play mode, the ability to start another PIE session is blocked (handled in FInternalPlayWorldCommandCallbacks::PlayInViewport_CanExecute). ...

If CustomNearClippingPlane of UCineCameraComponent changed, it will be reflected in normal CameraComponent as well

UE - Anim - Sequencer - Feb 17, 2023

CustomNearClippingPlane of UCineCameraComponent is new property in 5.1, but if use change this, it will also be reflected in the normal CameraComponent's NearClip. This is because the PerspectiveNe ...