Artifacts when using virtual textures for multiple attributes in material layers

UE - Rendering Architecture - Materials - Sep 29, 2022

When using the Material Layer system and virtual textures, the number of physical texture samples in the shader increases with the number of material attributes that a virtual texture writes to. The ...

Reliable Multicast RPC may be called before BeginPlay for character on client

UE - Networking - Sep 28, 2022

Related to [Link Removed], where calling a multicast RPC in BeginPlay results in the character being spawned on the client with the incorrect role/initial property data. One thing to note: this does ...

Invalid Subsurface Scattering Color when using Per Pixel Shading Model and non-default material layers

UE - Graphics Features - Sep 27, 2022

It appears as though when adding material layers to a material instance that uses the FromExpression shading model, the subsurface color ends up white. If you add a DebugFloat3Values and output it t ...

CookAdditionalFiles - WriteSharedFile function that allows multiple packages to generate the same file

UE - Foundation - Data Pipeline - Cooker - Sep 23, 2022

Dependency on [Link Removed], which specifies that CookAdditionalFiles should take a context object. Keep the existing WriteAdditionalFile function that is an argument to CookAdditionalFilesOverrid ...

CookAdditionalFilesOverride Context struct

UE - Foundation - Data Pipeline - Cooker - Sep 23, 2022

virtual void UObject::CookAdditionalFilesOverride allows non-package files to be copied or created during the cook whenever a UObject of your class is in a package that is cooked. This is useful for ...

Create ini setting for DirectoriesToAlwaysStageAsUFSChunkRules to specify the chunks for UFS files.

UE - Foundation - Data Pipeline - Cooker - Sep 23, 2022

Some plugins and projects are staging large amounts of AdditionalUFS files, and the only way to specify their chunk for streaming and optional install is using PakFileRules.ini. Add a setting in Ga ...

Fix iterative cooks to keep track of CookAdditionalFiles and delete them when the package file that created them is invalidated

UE - Foundation - Data Pipeline - Cooker - Sep 23, 2022

A licensee reports they are using the CookAdditionalFilesOverride function in UObject to add files to the project. This file is properly copied into the Staging area during Packaging, and is appropr ...

When the default values of Instanced variables are changed in Blueprint, the variables of actors on the level don't follow the default values

UE - Framework - Blueprint Runtime - Sep 20, 2022

When the default value of an Instanced variable defined in C++ is changed, it is not reflected in the default value of an Actor placed on a Level. In the reproduction procedure, when the default v ...

Multiple water body blend modes produce unexpected results

UE - Graphics Tools - Terrain - Water - Sep 16, 2022