Nanite Mesh Reduction Issue

UE - Graphics Features - Nanite - Nov 28, 2024

This issue was reported through a UDN. Licensee mentioned that they are seeing a hole in their Nanite mesh at as they move away from it. Using the Nanite debug view we observe at a certain distance ...

The ResavePackages commandlet with -ResaveClass and -IncludeChildClasses doesn't resave unloaded assets

UE - World Creation - Worldbuilding Tools - Nov 28, 2024

The ResavePackages commandlet can be used to batch resave assets. The ResaveClass and IncludeChildClasses options let one resave all assets of a specific parent class. The problem is that blueprint ...

CharacterMovementComponent: NavWalking with high value for NavWalkingFloorDistTolerance can causes character meshes to be teleported up/down when crouching/uncrouching

UE - AI - Navigation - Nov 27, 2024

Context CharacterMovementComponent can be set in the NavWalking mode so that on the server the characters move using the navigation mesh as floor. This helps performance when the nav mesh is more c ...

During blueprint reparenting SimpleConstructionScript subobject unmodified values are retained as modified values

UE - Framework - Blueprint Editor - Nov 27, 2024

When reparenting blueprints and both the old and new parent blueprint contain a subobject but with different values on it, the reparented blueprint doesn't correctly inherit values from the new pare ...

Landscape / Volume Culling option doesn't work on Simplified HLODs

UE - World Creation - Worldbuilding Tools - HLOD - Nov 26, 2024

There are options on both landscapes and HLOD layers that when enabled, performs the  culling of invisible HLOD vertices (parts of HLOD meshes ending up below the terrain).  The option works fine w ...

Character jumping between two moving platforms will incorrectly inherit the sum of both platform velocities

UE - Gameplay - Player Movement - Nov 26, 2024

A character standing in a base will match its velocity to the base's velocity. If that character jumps into another base its velocity will be added to the new base's velocity and the character will ...

Updating Material does not update platform stats in derived Instance

UE - Rendering Architecture - Materials - Nov 26, 2024

It would seem that updating a material does not update the associated platform stats in a material instance editor, only the parameters. Can workaround by manually invoking shader compile in the ma ...

Editor Performance issue : Loading/unloading multiple Levels / Level Instances triggers each time a call to FActorFolders::RebuildFolderListForWorld

UE - World Creation - Worldbuilding Tools - Level Instances - Nov 25, 2024

Revisit how FActorFolders are updated when loading/unloading Levels (level instances). The code should maintain the folder list instead of rebuilding everything. ...

Diffing blueprints in Perforce changelist reviewer incorrectly displays blueprints that reference assets not in local filesystem

UE - Framework - Blueprint - Nov 22, 2024

When diffing a blueprint in the Perforce changelist reviewer in-editor (Review Changelists), if the blueprint references an asset that does not exist locally but rather exists as a newly added asset ...

ALevelVariantSetsActor not exposing Actor tags

UE - Editor - Content Pipeline - Variants - Nov 22, 2024

Hi, while trying to workaround this: https://udn.unrealengine.com/s/question/0D54z00008kTgHCCA0/variant-manager-crash-in-upropertyvaluehasvalidresolve I thought I would not create variant sets act ...