Unreal Engine Issues

Memory leak in Landscape edit mode

SaveGeneratedTexture2DAsset can crash when overwriting an existing asset

SaveGeneratedTexture2DAsset can crash for a variety of reasons when overwriting an existing texture asset. When no existing asset exists, the function simply moves the provided transient Texture ass ...

Translucent deferred decal materials look different when setting specular attribute directly or via constant node

Translucent deferred decal materials look different when setting their specular material attribute directly on the material node versus setting it via a constant node ...

Changing MaterialQualityLevel causes a crash due to a ShaderMap mismatch in UniformExpressionCache

A crash may occur when changing the MaterialQualitylevel via Scalability due to a race condition. The issue occurs because in ScalabilityCVarsSinkCallback(), when it creates the FGlobalComponentRec ...

Mutable Ignores State of Modular Game Features

I’m encountering an issue when working with Mutable/Customizable Objects in combination with Modular Gameplay Features (MGF). Expected: Child Customizable Objects that are located inside a disable ...

Landscape visualizers don't work on nanite landscape

Landscape visualizers do not work on Nanite Landscapes. Also tested in //UE5/Main/, CL: 48569009 The licensee has provided a patch file with a potential fix. ...

[AI] Unable to bind to parameter properties when using a Soft Object Reference

Global parameters disappear from the binding list when a soft object reference is present. Pulling up the binding menu shows nothing for Parameters when there are only object references in the ST as ...

same PhysicsAsset refresh multi times when modify multi SkeletalBodySetup properties in same PhysAsset

USkeletalBodySetup::PostEditChangeProperty will call OwningPhysAsset->RefreshPhysicsAssetChange(), if I modify many SkeletalBodySetup properties in same PhysAsset, will cause call OwningPhysAsset-> ...

Motion warping doesn't enable if a target is added on frames subsequent to the start of the warp notify

The issue is that URootMotionModifier_Warp::Update will disable the warp if there is no target found for it. But there's no functionality to turn the warp back on if a target is then set on a later ...

Remote members not correctly removed from lobby

While the OnLobbyMemberLeft event does seem to be fired correctly, the remote member will still be in the lobby's "Members" map, and its data can still be found in FLobbyClientData::MemberDataStorag ...