Blueprint function-local variable properties don't copy metadata from the source FBPVariableDescription

UE - Framework - Blueprint Compiler - Jan 23, 2025

FKismetCompilerContext::CreateUserDefinedLocalVariableForFunction() does not copy the metadata from the source FBPVariableDescription entry. Class variables work because there is code for that in FK ...

Bitfield enums don't cast correctly in Blueprints

UE - Gameplay - Blueprint Compiler - Jan 22, 2025

The licensee already investigated this a little. The problem appears to be that UKismetNodeHelperLibrary::GetValidValue should be calling IsValidEnumValueOrBitfield as opposed to IsValidEnumValue. ...

World Position Offset Object Shadow Cast on Translucent Object Causes Flickering

UE - Graphics Features - Jan 21, 2025

When a WPO (World Position Offset) object casts a shadow on a translucent object, the translucent object flickers continuously as the shadow passes over it. Initially logged as a 5.5/5.5.1 but also ...

Improper clipping in children of a retainer widget

UE - Editor - UI Systems - Slate - Jan 21, 2025

Children of retainer widgets have improper clipping, causing any widgets set to "Clip to Bounds" to clip incorrectly. This may also affect hit testing in cases where multiple retainer widgets are ne ...

Level viewport toolbar buttons on the right side are collapsed even if the viewport has enough width

UE - Editor - Applied Usability - Jan 21, 2025

The following worka round works :float SLevelViewportToolBar::GetTransformToolbarWidth() const { ... #if 0 // float ViewportToolBarWidth = static_cast<float>(GetCachedGeometry().GetLocalSize(). ...

When a TSoftObjectPtr pointing to a const type is used as a parameter for a Dyanmic delegate, unreal marks it as deprecaded.

UE - Foundation - Cpp Tools - UnrealHeaderTool - Jan 21, 2025

A change has been done to the TSoftObjectPtr class that warns when constructing a pointer-to non-const from a pointer-to-const. This change makes sense and is correct. Example: UTexture2D* Loade ...

Disabling bLerpUVs in Nanite Settings of Static Mesh causes texture warping in clusters

UE - Graphics Features - Nanite - Jan 21, 2025

The licensee has identified a potential fix by changing if( Settings.bLerpUVs ) to if( Settings.bLerpUVs || UVIndex == 0 ) On line 389 of NaniteBuilder\Private\Cluster.cpp in UE 5.5 ...

Fix a crash in Callback_ResolveMarker when handing a GPU crash

UE - Rendering Architecture - RHI - Jan 20, 2025

Licensees have reported crashes being triggered while the engine is resolving debug markers for an Nvidia Aftermath dump. This makes it difficult to properly investigate crashes ...

Textures and Materials Displaying Black in Content Browser and on Meshes

UE - Texture - Jan 18, 2025

I am filing a Jira for this at the request of [Link Removed]  to see if it can be made into a hotfix. It has been reported on the forums and UDN that textures render black. See the Slack thread her ...

[Legacy][FBX] Animation curves are not added to the skeleton anymore

UE - Editor - Content Pipeline - Import and Export - Jan 17, 2025