Add support for referencing non-spatially loaded actors without clustering them together.

UE - Engine Scaling - Streaming - Mar 23, 2023

The engine doesn't allow cross-level references as it assumes a referenced object is immediately available which we guarantee by placing any reference clusters into the same cells. This means the be ...

Level Instances should not be able to be attached to other actors

UE - Engine Scaling - Streaming - Level Instances - Mar 20, 2023

AssetManager: PrimaryAssets: Allow PrimaryAssetTypesToScan entries to be extended from plugins to add directories

UE - Core - Data Pipeline - Cooker - Feb 23, 2023

Game.ini:[/Script/Engine/AssetManagerSettings]:PrimaryAssetTypes is an ini setting to specify which PrimaryAssets should be used by the engine during cook to specify which packages gets cooked and w ...

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

UE - Framework - 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). ...

Index of Texture Cube Array cannot be specified with VisualizeTexture on D3D11

UE - Rendering - RHI - Feb 8, 2023

Licensees have reported that they always see Index 0 for Texture Cube Arrays. Looking at the RenderDoc, Index1 has a white texture but it's not actually visible.[Image Removed] ...

TSR ghosting when see through translucent wall

UE - Rendering - Features - Feb 7, 2023

see through a translucent material will cause ghosting  This issue did not occur in 5.0, it occurs when using TSR on UE 5.1 or later. ...

UResavePackagesCommandlet::CheckoutFile() logs warnings for skipped files

UE - Core - Cpp Tools - Automation Tool Framework - Feb 1, 2023

User reported. UResavePackagesCommandlet::CheckoutFile(const FString& Filename, bool bAddFile = false, bool bIgnoreAlreadyCheckedOut = false) has a parameter to ignore files that are already ch ...

Previewing a node overrides the output of PostProceessInput0 in a Post Process Domain Material after previewing has stopped

UE - Rendering - Architecture - Materials - Jan 26, 2023

This is not a regression. Tested in //UE5/Release-5.1 CL20979098 Previewing a node overrides the output of PostProceessInput0 in a Post Process Domain Material after previewing stops. ...

Curve Editor Pop-out Closes on Modification

UE - Editor - Jan 25, 2023

The internal curve editor closes its popout window automatically on any modification, which makes it difficult to use to edit the curve. See also the attached video demonstrating the bug ...