Replication errors when connecting Shipping build to Test/Development build

UE - Networking - May 14, 2024

See linked UDN for more info. This issue was reported for Iris, but I believe package map errors occur in the current replication system as well. ...

Guid reference warnings when using the Take Recorde

UE - Anim - Sequencer - Take Recorder - May 14, 2024

When we record a Take from a level actor, a warning about referencing the same Guid inside LazyObjectPtr.h appears. The functionality of the LevelSequence works as expeced, but when the initial tak ...

Resave commandlet broken when using BuildEnvironment = TargetBuildEnvironment.Unique;

UE - Foundation - Core - May 14, 2024

The explanation from the licensee seems pretty comprehensive. Text from the UDN: We've been trying to run fixupredirects via the resavepackages commandlet, but noticed that the OFPA assets were no ...

[AI] Navmesh shows in editor but does not get loaded in PIE

UE - AI - Navigation - May 13, 2024

When using static or dynamic modifiers only navmesh, there are times that the navmesh will build and display correctly in editor, but it does not get properly loaded at runtime (PIE/SIE). The Recast ...

Cracks in Nanite Tesselated Landscape

UE - Graphics Features - Nanite - May 13, 2024

Landscape component edges can become disconnected when using Nanite Tessellation at the edges of weight-blended layers. ...

Cached camera component on LevelSequencePlayer is null

UE - Anim - Sequencer - May 13, 2024

Virtual Texture materials don't fully deduplicate generated virtual texture stacks

UE - Rendering Architecture - May 13, 2024

During material compilation we track unique individual virtual texture "stacks" and then create a virtual texture page table for each, along with unique bindings for each page table in the shader co ...

PackedLevelActors are not updated when changing some properties

UE - World Creation - Worldbuilding Tools - Level Instances - May 13, 2024

Packed level actors may not be updated after changing certain properties. Workaround: reload the level containing the PLA. ...

Rect light artifacts from NaN pixels on surfaces that are coplanar with light position

UE - Graphics Features - May 10, 2024

Rect lights cause artifacts (nan pixels) on pixels of surfaces that are coplanar with light position.  In RectLight.ush, in RectIrradianceLambert, at line 106, c30 is -1, so rsqrt(0) causes a nan to ...

Renaming assets hits an ensure related to circular redirect

UE - Foundation - Core - UObject - May 10, 2024

You will hit the ensure condition: LogOutputDevice: Error: Ensure condition failed: !SeenPaths.Contains(CurrentPath) in Engine\Source\Runtime\CoreUObject\Private\Misc\RedirectCollector.cpp] [Line ...